MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The heuristic 'SE_REMOTE_SUPPORT_LURE' indicates the document's content likely instructs the user to install remote support tools, a common tactic for social engineering attacks. Numerous external URLs were extracted, suggesting the document may download additional payloads or redirect the user to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
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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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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://crewmak.ru/uplcv?utm_term=wifi+sms+android PDF link annotation
- http://greentreeprep.com/cote_dor_import/admin/ckfinder/userfiles/files/pujemomisuwelogalu.pdfIn PDF document text
- https://mollis.rs/files/bolajetanalofejibuseg.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16131d69607c13---keleb.pdfIn PDF document text
- http://szentdorottyapatika.hu/files/vadaweribifuvajabimu.pdfIn PDF document text
- http://travelbilet.ru/sites/default/files/file/pumadifuvopakolebe.pdfIn PDF document text
- http://www.hz-kontejnery.cz/ckfinder/userfiles/files/57285208353.pdfIn PDF document text
- http://phongkhamthienhoa.org/images/files/94814401181.pdfIn PDF document text
- http://ad.ditroinfotech.com/laportal/ckeditor-ckfinder-integration/uploads/files/lebamodativesifusi.pdfIn PDF document text
- https://dalilak1.com/userfiles/file/5629509791.pdfIn PDF document text
- http://xboxheerlen.nl/userfiles/file/74879400886.pdfIn PDF document text
- http://cheers-gifts.com/userfiles/gosirasudazunowekanogaba.pdfIn PDF document text
- http://kme-kme.cz/files/file/69892659493.pdfIn PDF document text
- https://hongdung.vn/ckeditor/images/files/56253254129.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/71acadef57ca6eff39e281e28e68cfb1/jumop.pdfIn PDF document text
- http://cn-polylysine.com/d/files/pesanogimaxifiguji.pdfIn PDF document text
- https://yk-tech.com.tw/ckfinder/uploads/ckfiles/files/28664943124.pdfIn PDF document text
- https://bywuf.org/upload/editor/files/77263575441.pdfIn PDF document text
- http://studioingegneramato.com/userfiles/files/136997584.pdfIn PDF document text
- http://autothudo.vn/upload/fck/file/gojotatezud.pdfIn PDF document text
- http://gocreate.termall.pl/upload/fck/file/88074884286.pdfIn PDF document text
- http://ageddfjtj.pretty-match.com/upload/files/vuxurojaniba.pdfIn PDF document text
- http://yameitecl.com/ckfinder/userfiles/files/20210924_071001.pdfIn PDF document text
- http://bowie.abwingsmd.com/uploads/files/fagaxobonumop.pdfIn PDF document text
- http://obchodsezlatem.cz/upload/files/90225728346.pdfIn PDF document text
- http://hoteldanang.vn/uploads/images/files/jasositedadanoduba.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b7dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cff4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFF4 | 10232 bytes |
SHA-256: f849d9b2d3d9eadebd3644dde2f9ad017c5fb185a6654ccfb89513c8894dfff5 |
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font_02_sfnt_off0000e6d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6D2 | 18104 bytes |
SHA-256: d1d3cd2ad086ff579f3c005e1c5230fc5c2664f65ab8480168df65e335d73742 |
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