MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1140 Deobfuscate/Decode Files or Information
This PDF was flagged by a machine learning classifier and ClamAV as malicious. It contains multiple links to compromised WordPress sites and disposable hosting, suggesting it's part of a phishing campaign. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to download a password-protected archive, a common tactic to bypass gateway security. The 'SE_MFA_LURE' heuristic further suggests the document is designed to harvest credentials or session tokens by mimicking an MFA prompt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://insights3.com/wp-content/plugins/super-forms/uploads/php/files/b9eeedff82e38e6fb606d4446c7144e0/86543148713.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ac45f93f45c---46249819710.pdf
- http://50wj66.com/clients/a/af/af9d65f11c1965a5434adcd4cd578f00/File/1371365024.pdf
- https://aquafilling.com/userfiles/file/86959917211.pdf
- http://broadviewlibrary.org/uploaded_bvlib/file/kedafibewasofufusek.pdf
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6f072300ae---81250733682.pdf
- http://alisawedding.com/upload/users/files/zamebadunevave.pdf
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609af91507c80---6582809634.pdf
- http://metrocars.london/survey/userfiles/files/86627808626.pdf
- http://www.ecostroyservis.ru/File/kebuwowadepigemugi.pdf
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/0a93c867c0b2a31c02e3330092beb14c/vodamolesimunakugejupawo.pdf
- https://uniqrelation.com/userfiles/file/lawekixune.pdf
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16094824984ce3---lurupid.pdf
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a38d90eb10b---72290153446.pdf
- http://aircond.md/upload_fck/file/87162297934.pdf
- http://targhevaticane.it/userfiles/files/metinoxafisadebu.pdf
- http://extintoresorigen.com/images/editor/97324630950.pdf
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/q1bd3d7pjq2im12e2i0bo1shl0/jumatoropavusamat.pdf
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9e778d6589---zolojavamirarixamine.pdf
- http://brkvinc.com/userfiles/file/35576412305.pdf
- http://jarosi.hu/files/file/41859463671.pdf
- https://cakenepal.com/userfiles/file/bofapezadovawed.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=session+related+vulnerabilities
- 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_off0000e53b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE53B | 16792 bytes |
font_01_sfnt_off0000fd4d.bin98b566527422d2867f24920baeb77f1e0e2eb5c9cf38d0ca9e2314a926263dce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD4D | 17032 bytes |
font_02_sfnt_off000128ea.bin9afea6efaaf8361e3f2f301ebfefb6287e65726795542fcee60073f197c91028 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128EA | 10624 bytes |
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