MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and a link farm heuristic strongly indicates an attempt to lure users to external, potentially harmful, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://balone.net/_upload/file///jotesakewozebolew.pdf
- http://usmleworkout.com/files/file/wikapizopajasexadege.pdf
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/e39140370e17998533d6231103ed90ef/46302169112.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1609c07bbee5d6---73324557783.pdf
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160baa0a062095---rewikabedigupamonepivonol.pdf
- https://cape-electronics.com/media/file/72114180915.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/44j8j7rb6812h4gubqn87cubo6/73183824090.pdf
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16085f9da2c00c---fofagukejutamigogesara.pdf
- http://jarosi.hu/files/file/61493272397.pdf
- https://tonwen.org/userfiles/file/jifujolesagixig.pdf
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/gsgbhb5f5jfrrq76okavdg0asi/8235728076.pdf
- http://divorce-difficile.fr/userfiles/file/xatolupajesugiforig.pdf
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/d0a0747188726ddd708f8eea3366b9a2/58345031202.pdf
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/c743ddfba51d9bad2567a2656466f5e4/76281493882.pdf
- http://musiclivemarsala.com/userfiles/files/jipemegawepo.pdf
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd2cc4ab13---laxezebubiwiboxazibog.pdf
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae30b7d6e4---84129193611.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/pig4vqj2jd7crt3s2o9nf0a5b0/geriletuwop.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b1c64ed4e51---sivagigerag.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/a200723029dbf0bc9c6149a8112772e0/67397999883.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/809a1d6409c1d40428dfc4282834524e/91705772365.pdf
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/luie0elqi5sitj763q53b5qqil/22891716405.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085838321487---98329048141.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=cs+go+apk+for+android
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/00c8438c0bc090ad5819ea3fb10afa4e/degiliratimogese.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000efe6.binb4ad63b2fac98cb430995e58c8057b88c21f2e0acd1796c383bd752e9130e79c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE6 | 17416 bytes |
font_01_sfnt_off00011d86.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D86 | 16792 bytes |
font_02_sfnt_off0001359d.bincb9edf840714798957d105bb445783a9365ed468f84d4886273ce21c2aa69471 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1359D | 10520 bytes |
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