MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV detecting it as a phishing trojan. The document contains numerous links to external sites, many hosted on compromised WordPress installations or disposable domains, suggesting a phishing or link-farming attempt. Notably, it includes an instruction to disable security software, a strong indicator of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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://krisoc.ru/uplcv?utm_term=mechanical+engineering+interview+questions+and+answers+for+freshers+pdf
- http://dges.in/userfiles/file/tomuxewowaxizajipepiwar.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e680190a297---mizalufuwafumivopotoxo.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ee3ca1b12ad---kolaterijerejedimawube.pdf
- https://accesoriosalmayor.com/images/userfiles/file/norafutirokuzaxajulika.pdf
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/4772dd348e87605f9ac6dba95fe3b219/41329629950.pdf
- https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/56a0c2b38e3916a9d9ae27deb3dbf6ff/xarujamosejibezodonibise.pdf
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/tneptesoimqq9cm32kd1rf0ikj/taposupudibo.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/37r2j7nqqc7ougkjvqpsij0241/28037039522.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a55dc641afa---pafexo.pdf
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16082aabe8b26c---46613955074.pdf
- http://jinanxintiandi.com/userfiles/files/7619340541.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/c53c0db66b55f4b9907324b57faff1eb/94558645485.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607da2f6f3ec7---gafilanovugowinuboki.pdf
- http://pwr-tech.ru/userfiles/file/dewibusuxuvafadosumabuguz.pdf
- https://yorapp.it/file/17647918484.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/35993404709.pdf
- https://kund-in.com/userfiles/file/xofabatipalipatezugaz.pdf
- http://gt-outillages.fr/ressource/site-image/files/gawobobe.pdf
- http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/fofalelaruvuk.pdf
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160724d769fccb---33037213165.pdf
- http://kimandyoo.com/userfiles/file/degafifewilonepu.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cba5ed9d52---nufemunowefazis.pdf
- http://mofrantech.com/userfiles/file/71304582865.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/ps85ucuv4vnu4h5ngob8mt1635/28399178835.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_off000117a4.bin524628f1a5bf26a2845622392a88cdad289b5e784226aa0f222577181bc00d31 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117A4 | 11292 bytes |
font_01_sfnt_off000131a1.bin604f54c46a60524dfb297df61dc804d6bfb6f7525a711ce1f3203822f0516150 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131A1 | 17860 bytes |
font_02_sfnt_off000160ab.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x160AB | 16792 bytes |
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