MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of numerous embedded URLs, including one pointing to a link farm, suggests a phishing or malware distribution scheme. The heuristic indicating an instruction to disable security software is a critical finding, directly supporting a malicious attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://oniceh.ru/uplcv?utm_term=the+sims+4+free+dlc PDF link annotation
- http://lycee-elm.org/userfiles/file/petesujerovozofetit.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/3bn70d2cqt5c4093s66jgsmceo/gabasotuzaxolejeruxuse.pdfIn PDF document text
- https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/jadexafajewevuloturepegaw.pdfIn PDF document text
- https://www.la-melodie-des-saveurs.fr/ckfinder/userfiles/files/51473490.pdfIn PDF document text
- https://beautydent.hu/editor_up/tixakewetofifazosar.pdfIn PDF document text
- http://esistore.be/userfiles/file/99395722817.pdfIn PDF document text
- http://18554080.com/userfiles/file/lajekajememagin.pdfIn PDF document text
- http://iviltra.lt/images/files/gisanov.pdfIn PDF document text
- http://silverspringabw.com/uploads/files/fisegajuji.pdfIn PDF document text
- http://balaton.varosom.hu/userfiles/files/lawovosutojusagetopuxa.pdfIn PDF document text
- https://fibra-optica.ro/ckfinder/userfiles/files/misikeromeritoru.pdfIn PDF document text
- http://mos-craciun-inchiriere.ro/fckfiles/file/11318894812.pdfIn PDF document text
- https://zoldlaptop.hu/ckfinder/userfiles/files/91793548008.pdfIn PDF document text
- https://longhoang.vn/upload/files/34784223146.pdfIn PDF document text
- http://prvugkh.ru/uploads/files/tonepegefem.pdfIn PDF document text
- http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/4957505591.pdfIn PDF document text
- https://latework.cz/soubory/nufaxisutasiliwojite.pdfIn PDF document text
- http://cpbnatation.fr/fckeditor/userfiles/file/purakibiv.pdfIn PDF document text
- http://finchamauto.com/pics/69408820034.pdfIn PDF document text
- http://fkm-lux.by/var/upload/file/66458344202.pdfIn PDF document text
- http://hanasushichoice.com/uploads/files/gapepuwemitawixusi.pdfIn PDF document text
- http://speckrepeg.by/UserFiles/files/fabesinedapojurivukagi.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_off0000f39e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF39E | 19016 bytes |
SHA-256: e641c501f57467a3149bca8399239331f31b4c492eb12dacf278ca48d67f621a |
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font_01_sfnt_off0001250e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1250E | 10300 bytes |
SHA-256: 896ca3c8a002c050f3470065fa5a8fe3e8d976556b2d7f8e5569a8dacc0d33fc |
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font_02_sfnt_off00013c39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C39 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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