MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external sites, many of which are structured as link farms with UTM parameters, suggesting a phishing or malware distribution campaign. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags the document's structure as a non-clustered link farm on disposable hosting, reinforcing the phishing lure interpretation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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 https://pistant.ru/uplcv?utm_term=uncle+leo+seinfeld PDF link annotation
- http://syarmarka.ru/userfiles/files/30764081999.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/kebikiwobozifa.pdfIn PDF document text
- http://dija.lv/public/userfiles/file/67182098872.pdfIn PDF document text
- https://christschoolblr.in/userfiles/file/bodip.pdfIn PDF document text
- https://floridainvestment.cz/files/file/58219594675.pdfIn PDF document text
- http://jiji.pgo.tw/pic/uploads/files/5311637083.pdfIn PDF document text
- https://ingatlansos.hu/images/userfiles/file/fuwifujowefaxoka.pdfIn PDF document text
- http://rybarict.cz/webpagebuilder/ckfinder/userfiles/files/nosuxap.pdfIn PDF document text
- http://kagoshimakojintaxi.com/userfiles/file/93980414003.pdfIn PDF document text
- http://finara-v.com/file_media/file_image/file/44025719620.pdfIn PDF document text
- http://rent2day.ca/ci2/userfiles/files/41553624848.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f9aa7354bd---33562507480.pdfIn PDF document text
- http://www.luna1956.com/images/library/File/tujabagul.pdfIn PDF document text
- http://cicm2015.mist.ac.bd/app/webroot/ckfinder/userfiles/files/9831921134.pdfIn PDF document text
- http://worldcar.jp/userfiles/files/8016659379.pdfIn PDF document text
- http://glamour-nsk.ru/ckfinder/userfiles/files/vemanijor.pdfIn PDF document text
- http://dreambeauty.kr/upload/fckeditor/file/raxozomuminebebanodu.pdfIn PDF document text
- http://giovanniseneca.eu/userfiles/files/54138644745.pdfIn PDF document text
- https://scalping.ir/data/files/file/nupinejofimamipigegokup.pdfIn PDF document text
- https://jurad.eu/files/file/8739843090.pdfIn PDF document text
- http://teacherandtraining.com/coj_u/KK/userfiles/files/75961987656.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_off0000ae2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE2F | 15392 bytes |
SHA-256: d877157924cc9bde1ab1c9b90ef8892eecb8a72e15905f9e36455740db302af6 |
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font_01_sfnt_off0000d4f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4F7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ed0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED0E | 10116 bytes |
SHA-256: 5c29fc42ad6aa8abad8418d57f8d3495430f5dfb408c904ec1017f31cf8903be |
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