MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was flagged by ML classifiers and ClamAV as malicious. The 'SE_CALLBACK_LURE' heuristic indicates the document is designed to trick users into calling a phone number, a common tactic in callback phishing and tech-support scams. Embedded JavaScript and numerous external URIs, some pointing to potentially disposable hosting, further support a malicious intent, likely to deliver a secondary payload or redirect to a phishing site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 7
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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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://ronaldtan.nl/images/photo/gufavumizexeninusaduzogif.pdf In PDF document text
- https://omprintandpack.com/userfiles/file/zuduni.pdfIn PDF document text
- https://balajitutorial.com/admin/userfiles/file/11461410138.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210915174605.pdfIn PDF document text
- http://imhkayseri.com/resimler/files/fifugefiv.pdfIn PDF document text
- https://journeywithmypet.com/ckfinder/userfiles/files/kugikakiriwinir.pdfIn PDF document text
- https://deltarents.com/upload/ckfinder/files/32240479603.pdfIn PDF document text
- https://alcoolassistance-creuse.net/www/site/js/ckfinder/userfiles/files/95040554374.pdfIn PDF document text
- http://creationart.hu/files/file/vewixeva.pdfIn PDF document text
- http://csigikes.hu/admin/fck_upload/file/wegujolovawibede.pdfIn PDF document text
- https://oncallanatomist.org/ckfinder/userfiles/files/kizolamasateranovot.pdfIn PDF document text
- http://denge.aero/upload/files/weluwovamelik.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/a688ad18d9d398b97041aabf741016f7/86525802998.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16148b71ac8cdb---boxufamogo.pdfIn PDF document text
- http://myrbacken.se/login/ckfinder/userfiles/files/72893637478.pdfIn PDF document text
- http://weiddy.com/uploads/files/202109161549492383.pdfIn PDF document text
- https://actionsporting.com/userfiles/files/9951521838.pdfIn PDF document text
- http://slovoveri.org/userfiles/dimiwelebujuvamuwuxasub.pdfIn PDF document text
- http://sergeybazarov.ru/file/tewokejerepelenoji.pdfIn PDF document text
- http://eros-arena.name/eros/userfiles/file/94393009220.pdfIn PDF document text
- https://bestrecycledautoparts.net/images_i/file/2874213084.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=international+economics+theory+and+policy+11th+edition+solutions+pdfPDF link annotation
- 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_off0000c775.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC775 | 11100 bytes |
SHA-256: 711cf18c0d941e2e5bbc76a4b77d6019534792649de0b9c02ecfc94835fee3ec |
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font_01_sfnt_off0000e131.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE131 | 17836 bytes |
SHA-256: 7b98287406775e0a2e7afeea57195638acef09017533b682742b372a34b469ba |
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font_02_sfnt_off00010f48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F48 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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