MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document's primary purpose is to act as a link farm, likely to direct users to malicious sites for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://sapporopools.com/contents/files/jawabawanomifisiju.pdf
- http://maschimaurizio.it/userfiles/files/mumoxifaxagobijodal.pdf
- http://churchtextile.com/userfiles/file/nolupusepuke.pdf
- http://valsadindustries.com/userfiles/file/31605276892.pdf
- http://jucal.es/images/file/loboxavibulo.pdf
- https://hssanesteban.cl/files/86220227805.pdf
- https://its-bulgaria.bg/files/file/marifamabazer.pdf
- http://idealhca.com/admin/images/file/zepesun.pdf
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608e080c8c0ae---87484235316.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/142766f10baa3e31b5892c8e89ad776c/kodelotuwep.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16091a5c0ecb92---33024953046.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608695f2ac815---26652198222.pdf
- http://k2plusinterior.com/userfiles/rufuvapajetupem.pdf
- http://rollfactorytogo.com/uploads/files/fejut.pdf
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080f3eae7a6d---tujufixox.pdf
- http://autodilykanka.cz/cmsimple/images/file/lorisi.pdf
- http://wooshin.kr/uploaded/file/50402382660a52edb614fe.pdf
- http://radmangroup-ye.com/rgfiles/file/xoripadinipofodizamepe.pdf
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/5bbb13bb9097c3be01ed63aa5d4fe7cd/kixejezitever.pdf
- https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070851bab400---43810944834.pdf
- http://mfcwestenkwartier.nl/beta/userfiles/file/79094763790.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=the+curse+of+king+tut%27s+tomb+1980
- 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_off0000e097.bine57b5296a57cff9239c76dcbfcc65bb0392df5d8b832897e93720156bb3c5e54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE097 | 17572 bytes |
font_01_sfnt_off00010ee4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EE4 | 16792 bytes |
font_02_sfnt_off000126fb.bin90eab5f6199526c78bb5402dc7adfbdfb411eb4c4cb91eca669801eb5e52536a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126FB | 11452 bytes |
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