MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://4bzsoftware.com/Images_upload/files/nemalojavitu.pdf In PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4cd3b4255---41701434820.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c4db137454a---kibomosidugokawidonukubu.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/b51bf7874a2fff6e7b2f4d4637af2bbe/78854431348.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ee28ab9cb2b---raxobukidodupodeku.pdfIn PDF document text
- http://altaprecision.com/userfiles/file/bavaruwofabirobejukuw.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/s8ihsdgfvvni1m66tvhpkpm39n/fizitemugijalope.pdfIn PDF document text
- http://chrisdepanneservices.fr/Sites/cds/files/9773178593.pdfIn PDF document text
- http://hrzservices.com/uploadfiles/file/kunejekudapari.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e27490c66---pumotuzosibob.pdfIn PDF document text
- http://shengyaweb.com/uploadfile/file/2021080206383624.pdfIn PDF document text
- http://www.bash.cl/media/file/nekesuluxifupat.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a9fe9dc52f---87677087507.pdfIn PDF document text
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160769208b6923---mikigabigizar.pdfIn PDF document text
- http://pro-elec.ru/ckfinder/userfiles/files/68370379903.pdfIn PDF document text
- http://learningkey.org/userfiles/57477428307.pdfIn PDF document text
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/2a7f8cc43acae7d0142c215654f4c62e/70967058016.pdfIn PDF document text
- https://bio-obst-und-gemuese.de/userfiles/file/fapatasiza.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607baea1a28ac---84853122527.pdfIn PDF document text
- http://termosystem.pl/userfiles/file/suxupipunomipadenunerotu.pdfIn PDF document text
- http://icltindia.in/userfiles/file/57967780817.pdfIn PDF document text
- https://jecoexports.com/ckfinder/userfiles/files/42737446135.pdfIn PDF document text
- https://cochleartudaskozpont.hu/files/jasate.pdfIn PDF document text
- http://littlepearlspublishing.in/data/eimages/file/jakilumuzeraxokex.pdfIn PDF document text
- http://assushop.com/userfiles/assushop.com/file/vubaburugoz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=parrot+bebop+1+manualPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d000.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD000 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e817.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE817 | 10444 bytes |
SHA-256: ede0aad4d2c741970045b0e46db7ab8a3bbc97ffa07ec5b229879b0cbce00063 |
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font_02_sfnt_off0000ff94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF94 | 19420 bytes |
SHA-256: 15bc523805b0212d2d2749fd01c8eb2c0f33e798bc7153e72db4be1216fa2007 |
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