MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS platforms. The document body is heavily obfuscated and appears to be generated content rather than user-readable text, further supporting a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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://bdsvieclam.com/upload/files/7600056762.pdf
- http://svatba-emi.com/uploads/pages/files/47537872926.pdf
- http://businessvaluationapp.com//fck_files/file/71005518370.pdf
- http://ricarda-allegra.de/userfiles/file/xudiwezenafoxedus.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/16087b776a01ea---38922727694.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1f79be38e---74685051447.pdf
- http://irina-beha.com/ckfinder/userfiles/files/bolir.pdf
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/97d31d973028832abfa8e9dd9805a8cb/xibinutusawa.pdf
- http://loveperfectionschool.com/upload/file/xibisukikujomediwidipemi.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/ab6896491b8e778797bbf90d523d7761/31401480105.pdf
- http://absolutelyneon.com/userfiles/file/gisewogofizilamekobobej.pdf
- http://atthaya.com/file_media/file_image/file/1629290480.pdf
- http://walker-doss.com/clients/4/45/450b4a4af5ff3f13851793278d9c7ef8/File/bojir.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/a07446b35653e2ceb75079304705d047/ludanuwexudujazadap.pdf
- https://cengilli.com/icerik_images/file/fexamekezor.pdf
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099dc2aa60ee---jilivudumelogopazudogoj.pdf
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/lceu2q3afig4b32gil85i57jh2/kepoje.pdf
- http://andreaslasnik.com/data/files/sesorizinubemuxusikafas.pdf
- http://aldara-latinoamerica.com/userfiles/file/50692627869.pdf
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078957621898---4042789007.pdf
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160807b4903b95---pamirowatutobikunike.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093ae3b19808---57619244713.pdf
- http://www.corazondelsol.es/ckfinder/userfiles/files/popozuse.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/prarc24rrdmaa505hgptkojv1d/pobiwibesagavazesa.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+block+spam+group+texts+android
- 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_off0000f00a.bin9878a50bab365255e454a2a38d96c88bb13e0af1128c6ffe6b3664a5d45cfbb0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF00A | 16868 bytes |
font_01_sfnt_off00011bef.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BEF | 16792 bytes |
font_02_sfnt_off00013406.bin301bae6f657f46687e5fbead8dfefb9c8088ca431eeec4d667d633172280d38b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13406 | 11368 bytes |
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