MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, with one specifically pointing to a URL containing 'zombie survival 3d mod apk', suggesting a lure for potentially malicious software. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a high number of distinct hosts and links, reinforcing the idea of a link farm designed for malicious redirection. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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://chcial.ru/uplcv?utm_term=zombie+survival+3d+mod+apk
- http://autoneza.cz/UserFiles/File/23069406994.pdf
- https://oreopay58.com/ckfinder/userfiles/files/luxozulodesonujub.pdf
- http://orzo.cz/uploaded/files/39023711749.pdf
- https://xn--bren-mgenwil-gcbf.ch/sites/default/files/fck-uploads/file/64738756328.pdf
- http://escaletravel.com/userfiles/files/14201578810.pdf
- http://sky1981.com/asset/uploads/files/5561769265.pdf
- http://maivietnamesecotati.com/uploads/files/63513209998.pdf
- http://goksirlambinowice.pl/img/upload/files/gunetatejovuj.pdf
- http://ersatzmonitor.de/userfiles/file/jenorafuxazaroga.pdf
- http://bocghedanang.com/media/ftp/file/sogofiw.pdf
- https://ohcsi.com/ckfinder/userfiles/files/voniviv.pdf
- http://cichanski.com/Upload/file/33886863415.pdf
- https://cultureresortpokhara.com/assets/userfiles/files/bijanekatobojogimoji.pdf
- http://satyamtracparts.com/userfiles/file/29062071236.pdf
- http://yuanyoujie.vip/userfiles/file/debewanarilesibozij.pdf
- http://magnumprint.ru/upload/files/7773937558.pdf
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/9ad855a52a96bc1e92c37e20015f31d2/gimejevikaje.pdf
- http://teleinwestor.com/userfiles/file/zakij.pdf
- http://i-tos.com/userData/board/file/jofinovafe.pdf
- http://medicalproduct.hu/images/files/1525739916.pdf
- https://faktxeber.com/resimler/files/68843912176.pdf
- https://bselink.com/userfiles/file/nosukunesofirotasol.pdf
- http://gld-lining.com/user_img/files/radixoriromu.pdf
- https://zweefvlieg.net/userfiles/file/12669546682.pdf
- https://defi128.com/userfiles/files/jurokifomabebufate.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000da1e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA1E | 16792 bytes |
font_01_sfnt_off0000f230.bin80e583fefe737ece1fd16ef11c8596660ca0125690ec757918d9868e3791b906 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF230 | 18588 bytes |
font_02_sfnt_off00012320.bin2c2bb10e9450db3ec3db581137fa8b5a678164a4015a0f671f2c6de5ebf67445 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12320 | 10884 bytes |
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