MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The 'SE_BROWSER_INSTALL_LURE' heuristic suggests the document is designed to trick the user into installing a fake browser update or extension. The presence of numerous links to potentially compromised WordPress upload directories and disposable hosting further supports a phishing or malware distribution scheme. No scripts were extracted, but the overall structure and heuristics point to a social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9762
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://zemiigori.com/uploads/file/58788101841.pdf In PDF document text
- http://geose.ru/userfiles/file/mevijekapaduvizejelavono.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/bomuwu.pdfIn PDF document text
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b5c09a73d---87855878027.pdfIn PDF document text
- http://coiffurenais.com/userfiles/file/nuvakemakobuluzopewume.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/rv3r4f8l5vl7ndkel0mi12mkvr/finajubagubopozivigi.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609831703e48b---mevip.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021052800073185.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082b3971d4d2---61181763005.pdfIn PDF document text
- http://tencanpowder.com/d/files/17107584436.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/141167427260a2bc204278b.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609478ef7ab15---36299292390.pdfIn PDF document text
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/ba66386c7e415677c15b859c6a373098/23863567651.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac740a3d98---88293136522.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcc8ff77efa---91874797921.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/67a3a12041c49ab4242ab5d9d943e092/ligakefakaxesali.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/41c0etaumorf4660i5s7mvc9nc/58593632181.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/3ps3jq71cfpeksfidt3060u9vd/lemomotisapuv.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/xidegataburokizopisapa.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd3964e4d11---72005311192.pdfIn PDF document text
- http://hhsbluebirds1967.com/clients/b/b5/b592d679e9980e62d9d56be1bfb8b6b6/File/78062931393.pdfIn PDF document text
- http://amexeuro.com/an3_Uploads/file/ruzopazefifazaw.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1608e20a90e26f---66173372653.pdfIn PDF document text
- http://guoyangmoju.com/userfiles/files/kikof.pdfIn PDF document text
- http://lhs60to70.com/clients/3/32/32806278e47d7e4d905c37b1d6ebf04a/File/64836552113.pdfIn PDF document text
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/0l0p86uff42jlf7soj90mue6b8/lomebulojotaromofidexi.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/82b87ng7o8l7jnkb35nhmbdod1/23088488329.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/acefc97741e3c8858bf7decbd6815aee/29166835146.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=mx+player+old+version+download+apkPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC9A | 16092 bytes |
SHA-256: 9d5144547e0b729630886a3ad3ce48e7da84b0115899dd9c2390406af6f0fecd |
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font_01_sfnt_off0000f1e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E0 | 10740 bytes |
SHA-256: 2debb16feddc88071aebe3fcf8648fb15f9d9e40e99b7e2de08b6d9dae78ebf2 |
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font_02_sfnt_off00010abe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ABE | 17412 bytes |
SHA-256: b99cf9f44bfbcdf6916011be455e3c8877c6e9fe00ed699a46ed6b813cb03558 |
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font_03_sfnt_off0001381f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1381F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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