MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, and exhibits characteristics of a phishing lure. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely contains instructions to decrypt a password-protected archive, a common tactic to bypass gateway security. Numerous URLs hosted on compromised CMS platforms and disposable hosting suggest a link farm designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 7
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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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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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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://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/1ea520042049f3db06c4b4ca128b0c30/pegekifibadakukajunatu.pdf
- https://chetanaus.org/bheru/uploadfiles/file/durulotoxezekox.pdf
- http://kursadowicz.pl/Upload/file/xawuliwozamabikibebufet.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d300bfdf9---kalexonu.pdf
- http://personnelstrategies.net/userfiles/file/20880957541.pdf
- http://parfumland.sk/upl/sujegel.pdf
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/91444462706.pdf
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/525e9b3a9eaad5fdbd86059c7792f513/80479732849.pdf
- http://fapannimario.it/userfiles/files/guganeberonujujugisim.pdf
- http://vitaminyplus.eu/files/file/xizibulixorofoluzajagazu.pdf
- https://uclerbaklava.com/resources/file/lawasopoturomeb.pdf
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/bbd302d512e3f81223bec51d955e05c7/38598349755.pdf
- http://tara77.com/clients/46590/File/96888030155.pdf
- https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/1a15a4e0d9eaa512808afed5da737feb/8410797669.pdf
- http://autoset66.ru/admin/ckfinder/userfiles/files/zewivozubof.pdf
- http://landpas.pl/upload/file/85418427934.pdf
- https://greffedecheveux.center/upload/ckfinder/files/89341714108.pdf
- http://georgefamilyreunion.org/clients/86186/File/gexawi.pdf
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/d38c4985220aa81323de610dd29febb8/pibexafusufofevas.pdf
- http://iccarrentals.com/files/file/soxugiwotefezudawuvuxep.pdf
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/3240559c8e8d29e0b2bf69268bfb9eb5/36515544805.pdf
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078fcca11b04---95163892311.pdf
- http://lhs75.com/clients/46937/File/vokigumadegikefopu.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/b26a71feb585f39349ea3b05d4cd64d8/14794692426.pdf
- http://conroeclassof72.com/clients/d/de/de0acc14889d5d69ce6a2e221f3e79cd/File/5603159107.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=como+convertir+archivos+pdf+en+excel+gratis
- 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_off0000ce1b.bin7de9fe57d23927a53232b1d1910d45b9008f5909f3bbf0ce44afb9c7e82f5452 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE1B | 11264 bytes |
font_01_sfnt_off0000e82f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE82F | 16792 bytes |
font_02_sfnt_off00010041.bin45f6c0c910b9387d2f98b5558d033944a91b6bdc28177f59dc28e63a2d3a72fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10041 | 18932 bytes |
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