MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a callback phishing lure, prompting users to call a number in a deceptive context. While no scripts were directly extracted, the presence of numerous external URLs suggests a potential for downloading further malicious content or redirecting users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://huntic.ru/uplcv?utm_term=sound+recorder+apk+download PDF link annotation
- https://netkat.in/ckfinder/userfiles/files/jupul.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/161310da66196c---lagamirefevawe.pdfIn PDF document text
- http://natalieshuff.com/uploads/file/46200276256.pdfIn PDF document text
- http://kxqcgs.net/filespath/files/20210907173537.pdfIn PDF document text
- http://mhfmjournal.com/data/22/2/55/64/2544879/user/2788947/htdocs/userfiles/file/gesajajuser.pdfIn PDF document text
- http://juentai.com/userfiles/files/82626291936.pdfIn PDF document text
- https://mn-lawfirm.com/box/userfiles/file/warebozariwiv.pdfIn PDF document text
- https://charteriraq.ir/basefile/charteriraqir/files/salimafefipewe.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613927a86c934---76101662791.pdfIn PDF document text
- http://alarm.pl/userfiles/file/lorebajaw.pdfIn PDF document text
- http://teedinmaesai.com/user_img/file/64706561751.pdfIn PDF document text
- http://tungalag.mn/userfiles/files/41729138291.pdfIn PDF document text
- https://thefertilizergranulator.com/d/files/naresat.pdfIn PDF document text
- https://anandamsanyal.com/userfiles/file/91827188586.pdfIn PDF document text
- http://vantaidongsaigon.com/uploads/files/87113138172.pdfIn PDF document text
- http://modern-pro.ru/files/file/44574785706.pdfIn PDF document text
- https://cgeminfos.ma/upload/file/94105408355.pdfIn PDF document text
- https://mudraconsultancy.com/uploads/files/webesofitusaz.pdfIn PDF document text
- https://goodluckfishing.com/ckfinder/userfiles/files/12969424044.pdfIn PDF document text
- https://china-glass-mosaic.com/userfiles/files/20210908_045631.pdfIn PDF document text
- http://seattlebestteriyaki.com/uploads/files/towurepizomidanupuvege.pdfIn PDF document text
- https://webmedcentralplus.com/userfiles/file/numupojudopuburuwufupazi.pdfIn PDF document text
- http://nzozkrowodrza.pl/uploads/editor/file/47776414259.pdfIn PDF document text
- https://leanuslab.com/UserFiles/file/99074595869.pdfIn PDF document text
- http://chinajessie.com/seadata/data/uploads/img/file/163113553490.pdfIn PDF document text
- http://www.schule.havonix.com/ckfinder/userfiles/files/97857473780.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_off0000c28a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC28A | 16660 bytes |
SHA-256: f508108a00b27e5ae68aaa51d0bad14997208eb678c07876c5fc07602c31452c |
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font_01_sfnt_off0000ee00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE00 | 10500 bytes |
SHA-256: 27112469e4b60be3652f65acdf231c5c7100115174a95e1aa8576c215cac67d0 |
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font_02_sfnt_off00010612.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10612 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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