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, specifically as a phishing trojan. It contains numerous external URLs, many of which are hosted on disposable domains and appear to be part of a link farm. The document body is heavily obfuscated, but the presence of external links and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://infrive.ru/uplcv?utm_term=hacking+apps+for+online+games PDF link annotation
- https://peperita.it/writable/public/userfiles/file/gibinufevorilemilatok.pdfIn PDF document text
- https://bepxuyenviet.com/upload/files/karevadakozo.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/858a7817066123b7d9f84c1725816146/soxoxuzidopaginafetuso.pdfIn PDF document text
- http://archgeo-leszno.pl/uploads/userfiles/files/40651939598.pdfIn PDF document text
- http://filtrydokoparek.pl/img/all/pesivinokejawid.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138e0d85ebcc---2852163852.pdfIn PDF document text
- https://jjcfurnituremaker.com/userfiles/files/tidikaduzilixotabi.pdfIn PDF document text
- http://sun-green.de/ckfinder/userfiles/files/jisaredomegasarixaloxuwi.pdfIn PDF document text
- http://rfinshaat.az/userfiles/file/17928207477.pdfIn PDF document text
- http://educaholistica.com/resources/img/imagesck/files/17378896500.pdfIn PDF document text
- https://next-engineering.com/userfiles/files/28728817276.pdfIn PDF document text
- http://ambulatorioveterinariomariani.it/userfiles/files/11556165280.pdfIn PDF document text
- http://svazekobciorlice.cz/userfiles/file/93955149013.pdfIn PDF document text
- https://marblo.ph/app/webroot/img/files/wixas.pdfIn PDF document text
- https://upbilbao.com/ckfinder/userfiles/files/mosikub.pdfIn PDF document text
- https://greenlandpark.com/uploads/files/fefuteroxojipukunikola.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/nekaletugunozajafekus.pdfIn PDF document text
- http://sola-brothers.com/userfiles/file/13274466801.pdfIn PDF document text
- http://nhahanghienminh68.com/upload/files/50069619957.pdfIn PDF document text
- https://2acontractor.it/images/file/93364352468.pdfIn PDF document text
- http://lifecare4all.com/upload/files/lefuwuvinonipujatix.pdfIn PDF document text
- https://gamaconsultores.cl/upload/file/muxujiruferazaj.pdfIn PDF document text
- https://vinniescustoms.com/userfiles/files/26686460310.pdfIn PDF document text
- http://creptiles.dk/userfiles/file/27237374292.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_off0000e092.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE092 | 17956 bytes |
SHA-256: da821a3e1ce94c1a2b3f3f8c87047b9ccd164d2a071ffca4c4558fa026bac3f0 |
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font_01_sfnt_off00010f7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F7E | 10808 bytes |
SHA-256: 980804122faf0ebf8be6dcc41c42099374debdaeb5fa0296335e28675eda0ef0 |
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font_02_sfnt_off0001285d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1285D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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