MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high probability of malicious intent. The heuristics reveal it contains a link farm pointing to potentially compromised domains and disposable hosting, suggesting a phishing or scam lure. The presence of a 'download button' heuristic further supports the idea that the document is designed to trick the user into downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ccapostolicchurch.org/clients/1/19/19d200bce63520a637954fb60b162b1a/File/kepunedupizowobunu.pdf
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/95754611106.pdf
- http://mcutech.net/files/supuva.pdf
- https://iranjobex.com/cache/fck_files/file/21128727374.pdf
- http://taxfreepoint.com/file/vederopememakitefezesobef.pdf
- http://hissekurban.com/resimler/files/78565116132.pdf
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c140ddd9755---wixizomafinokenawikaxibug.pdf
- https://medtek.vn/storage/file/62133103780.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609251fb39bce---zagil.pdf
- http://kiiga.ru/userfiles/file/xavuniwuba.pdf
- https://tiemhoamo.com/data/dulieu/files/lawofin.pdf
- http://folientastaturen.pl/_data/file/99039599594.pdf
- http://pc75.net/upfiles/file/1621381666.pdf
- http://j-club.eu/userfiles/file/gizegamuzivo.pdf
- http://www.tamtrebinhminh.com/public/files/joxusafobozuzopowunezobe.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16079436776a73---85411283197.pdf
- http://ewhamd.net/upFiles/ckeditor/files/gugobelopejoko.pdf
- http://fuga-hotel.com/CKEdit/upload/files/jutudimadafowujejajetel.pdf
- http://harchovyk.com/userfiles/file/26087868890.pdf
- https://aimara-bg.com/userfiles/file/doxonuk.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/fk9n9b1p099aj9gntoloimg436/bowodukozeburamagimaxi.pdf
- http://nebovsem.ru/app/webroot/files/files/66840302326.pdf
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc2de69b51---pujufopoligiw.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=reduce+pdf+file+size+without+acrobat
- 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_off0000eee6.bin1595aa205da2e3e20b88c948ea397b2a6f84e6735a6f32f528b46b8a6ebaefbf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEE6 | 11044 bytes |
font_01_sfnt_off0001089f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1089F | 16792 bytes |
font_02_sfnt_off000120b1.bin645f84dd955374eca89ffdc28d92b7de54641ac24c7293b186f5cc392fd17f86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120B1 | 17080 bytes |
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