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. It contains numerous embedded URLs, many of which point to disposable hosting and are structured as link farms, suggesting a phishing or malware distribution attempt. The heuristic 'SE_CALLBACK_LURE' further indicates a potential callback phishing or tech-support scam context.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://philabc.ru/uplcv?utm_term=interchange+intro+fifth+edition+pdf PDF link annotation
- http://clinicaveterinariagoitese.it/userfiles/files/35511928772.pdfIn PDF document text
- http://areawifi.com/DESARROLLO/userfiles/files/38558686900.pdfIn PDF document text
- http://ketoanantamhcm.com/uploads/files/26506909721.pdfIn PDF document text
- https://daqing-jewelry.com/uploads/files/202109111659252420.pdfIn PDF document text
- http://zhuoxinlaw.com/userfiles/file/20210902050648_996289948.pdfIn PDF document text
- https://esterkins.de/ckfinder/userfiles/files/sinigejejuwelagesexizim.pdfIn PDF document text
- http://www.waetsukai.jp/system/ckfinder/userfiles/files/kevuradojujanaxapele.pdfIn PDF document text
- http://custom-mugs-factory.com/uploadfile/files/95333916770.pdfIn PDF document text
- http://toflight.mobi/attachment/ckeditor/files/bfd44039d02c600740bf84d6897d25a2.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161409aed117c7---44044894571.pdfIn PDF document text
- https://alhasooncorp.com/Files/files/ladamidosimesemilibevi.pdfIn PDF document text
- https://grup-rul.ro/printuri-fi/files/derelobobanujagazawekif.pdfIn PDF document text
- http://mojahotels.com/ckfinder/userfiles/files/vazusosovepirabumaroto.pdfIn PDF document text
- http://wasserentkalkung.at/ckfinder/userfiles/files/gelelusalukutabidefano.pdfIn PDF document text
- http://akinmedikal.com/uploads/file/50602763022.pdfIn PDF document text
- http://intranet.uts.edu.co/portal/app/ckfinder/userfiles/files/72881363904.pdfIn PDF document text
- https://comptables-publics.fr/userfiles/file/piritomafazugubi.pdfIn PDF document text
- http://duet-czluchow.pl/userfiles/file/texafexafekovinam.pdfIn PDF document text
- http://profil-metall.de/content/uploads/file/77519471948.pdfIn PDF document text
- http://bentleyplemtech.ru/userfiles/file/41555707492.pdfIn PDF document text
- http://cserepakcio.hu/xdata/file/61559601779.pdfIn PDF document text
- http://home-hj.com/up_photo/file/todaz.pdfIn PDF document text
- http://gainliving.com/upload/editor/file/pigagejuzabegesasadel.pdfIn PDF document text
- http://anael.fr/fckeditor/userfiles/file/lafuxiriboxodafovoditizu.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137d30778e90---jiwawebejuwamopobi.pdfIn PDF document text
- http://www.tomasjelinek.com/img/pub/file/tolejifeleba.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_off0000c06d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC06D | 16192 bytes |
SHA-256: d7164b77574334dcdb6b75a0a775cbc503c28e6526dbf603f9b167e0929b0e52 |
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font_01_sfnt_off0000ea1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA1E | 10636 bytes |
SHA-256: 7f855dfec8e71fcd5ecab7a33a16ece45d0e88d15775a2403100d57648be3ebd |
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font_02_sfnt_off0001022b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1022B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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