MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious. It contains numerous embedded URLs, many pointing to disposable domains, and a heuristic identified it as a link farm. While no scripts were explicitly extracted, the presence of many external links suggests an attempt to redirect the user to malicious or SEO-abused content, likely distributed via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 5
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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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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://stellarp.com/userfiles/file/mipatupumivekipiv.pdf In PDF document text
- http://esejsc.com/upload/files/lakiwuzi.pdfIn PDF document text
- http://www.abcklima.hu/data/editorfile/vutamimapipilo.pdfIn PDF document text
- http://aorganboys.handyfriendship.com/upload/files/pabewipofudexudogodeb.pdfIn PDF document text
- http://pmke.cz/pictures/files/63222353708.pdfIn PDF document text
- http://orderkai.com/uploads/files/24480377483.pdfIn PDF document text
- http://izeninfo.net/admin/upload/files/67379741206.pdfIn PDF document text
- http://alpha-th.com/userfiles/file/25018853737.pdfIn PDF document text
- http://trips-in.com/ckupload/files/12221848269.pdfIn PDF document text
- https://sakesushimn.com/userfiles/files/muvep.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/5d2ce43ebeb9e49dfd4efb0b6b3c63dc/69622457271.pdfIn PDF document text
- http://vodova51-53.cz/files/51191552000.pdfIn PDF document text
- https://www.pepinieres-gey.fr/ckfinder/userfiles/files/87902162398.pdfIn PDF document text
- https://888nv.ru/userfiles/file/30364259382.pdfIn PDF document text
- https://xosobacninh.vn/webroot/img/files/57096861413.pdfIn PDF document text
- http://nontaromclinic.com/ckfinder/userfiles/files/lamuvizotujekakavowoxud.pdfIn PDF document text
- http://cokhilegia.com/upload/files/wigakeramuresap.pdfIn PDF document text
- https://gertiesbloomers.com/kousumi/nulook/upload/fckimages/file/kokovadek.pdfIn PDF document text
- http://influences-vegetales.eu/assets/Image/files/94120781087.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/5691119be347520e7267c3bd876f477a/safuvejoruneranojir.pdfIn PDF document text
- https://nitm.ac.in/nitmeghalaya/ckfinder/userfiles/files/minozofebejixozigux.pdfIn PDF document text
- https://ixiu-23.com/uploads/files/202109101955538361.pdfIn PDF document text
- http://dintainoodle.com/uploads/files/nibewaxigi.pdfIn PDF document text
- http://combatkuntao.com/ckeditor/ckfinder/userfiles/files/palorisova.pdfIn PDF document text
- http://jiuxingchaoshi.com/uploads/file/131806376642.pdfIn PDF document text
- http://slkuang.com/v15/Upload/file/20219132136302297.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=ram+cleanup+premium+apk+2021PDF 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_off0000e4b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B9 | 10680 bytes |
SHA-256: fa02469a3d1d94e24d5b66288f0001d3056771544bdb871e0aa7aeebaadb952d |
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font_01_sfnt_off0000fd38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD38 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001154a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1154A | 18448 bytes |
SHA-256: ac158487b038eb3e8b6affe3fe3b6ac3902996c34a2384515d12e799a672d858 |
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