MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress sites and disposable domains, a common tactic for phishing or distributing further malware. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to a phishing campaign or a downloader. No scripts were extracted, but the structure and URL patterns are highly indicative of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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://cructi.ru/uplcv?utm_term=c%2B%2B+class+constructor+example PDF link annotation
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/6900250b58240a90c3d1e0a3aff395d3/guravobejubifonodasi.pdfIn PDF document text
- http://wadsoda.com/UserFiles/File/mulizimazexosu.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/2db2ad102f76719abaa056b5a05e13bc/36183275757.pdfIn PDF document text
- http://bulmarconsult.com/files/xenijetemabixu.pdfIn PDF document text
- https://www.orthovision-lublin.pl/ckfinder/userfiles/files/furusojifutevofaris.pdfIn PDF document text
- http://52963566.com/upload/file/202109271432259362.pdfIn PDF document text
- https://am-system.eu/ckfinder/userfiles/files/52123954934.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/16141701dcff6c---97168249482.pdfIn PDF document text
- http://alltimescare.com/attachment/files/rozoxosigemikezupewot.pdfIn PDF document text
- http://mimarkamilozkartal.com/userfiles/files/93826830933.pdfIn PDF document text
- http://gyogytornasziget.hu/uploads/files/suwovutekazalupugavezej.pdfIn PDF document text
- http://xfswchem.com/upload/files/jowojedukob.pdfIn PDF document text
- https://durgabas.coop.np/ckfinder/userfiles/files/panuxopaxetaloliwulano.pdfIn PDF document text
- https://birotex.rs/images/files/gevogapaninugese.pdfIn PDF document text
- http://ap116.ru/userfiles/file/9471609447.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/161563d9e7291d---17576793194.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/f15v3tou7qp5jsg6lq9ojfupa7/winimawodajowuzedizan.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613f8558b4724---giwew.pdfIn PDF document text
- https://hanedantoptan.com/upload/files/rolabiwinaruwelafaviwiw.pdfIn PDF document text
- http://ngoinvest.com/uploads/ckfinder/files/15374252514.pdfIn PDF document text
- http://medicamarsala.it/userfiles/files/vidudopiviritokajen.pdfIn PDF document text
- https://capitalsyndic.com/userfiles/file/27164714104.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/39717e49200821a3b37c16585d4f651e/91963446520.pdfIn PDF document text
- 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_off0000af85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF85 | 14992 bytes |
SHA-256: 1cf7e7614a19561be764009497fa84f2367a054f3fe2b24eeb6a2d19819d630f |
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font_01_sfnt_off0000d4b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ecc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC9 | 10676 bytes |
SHA-256: 3334758b798a785ba95421641c6157843388c3eada91801d320cdbf12d8e1516 |
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