MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
This PDF document is flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document employs social engineering by luring the user to install a browser extension or update, a common tactic to facilitate malware installation or credential theft. It also contains numerous links to external sites, including one pointing to 'mezovuduw.ru', suggesting it may act as a downloader or redirector for further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://mezovuduw.ru/wix?keyword=jdownloader+android+apk+full+2017
- https://static.s123-cdn-static.com/uploads/4372377/normal_5ff4510769479.pdf
- https://static.s123-cdn-static.com/uploads/4488090/normal_5fe5df789d61f.pdf
- https://cdn-cms.f-static.net/uploads/4455658/normal_603587ab8403a.pdf
- https://static.s123-cdn-static.com/uploads/4366973/normal_5ffd008533f6e.pdf
- https://cdn.sqhk.co/pazakazagoz/ejgighb/my_city_entertainment_tycoon_mod_apk_rexdl.pdf
- https://cdn-cms.f-static.net/uploads/4476564/normal_60371121db751.pdf
- https://cdn.sqhk.co/towinomer/2gfRifQ/19698169349.pdf
- https://cdn.sqhk.co/nivurerazusa/fhbWuaG/parentskit_app_whatsapp.pdf
- http://wosozage.mypressonline.com/pazogen.pdf
- https://cdn-cms.f-static.net/uploads/4379029/normal_600e9d19a98f1.pdf
- https://cdn.sqhk.co/vozevadijut/fYRPFij/sad_alone_girl_pic_with_shayari.pdf
- https://cdn-cms.f-static.net/uploads/4446264/normal_60445e6c8110c.pdf
- https://cdn.sqhk.co/wolonevavaru/qeCXibR/13997323997.pdf
- https://cdn-cms.f-static.net/uploads/4421217/normal_600dcf012f4f4.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/70f987a9-c074-490c-9239-069210e8da04/star_trek_into_darkness_free.pdf
- http://kaxuwenewutexu.myartsonline.com/96600863552.pdf
- http://sisufovofow.atwebpages.com/noromixadizusavetamotupig.pdf
- https://s3.amazonaws.com/wazagidonux/parallel_structure_worksheet_answer_key.pdf
- https://s3.amazonaws.com/gotenukevepunin/how_to_learn_arduino_online.pdf
- http://rogofideb.onlinewebshop.net/fozubig.pdf
- https://uploads.strikinglycdn.com/files/7dbb3179-b29a-422e-805e-7a8204e23f7b/kelemopatuzibufefeperike.pdf
- https://uploads.strikinglycdn.com/files/5c941841-5a45-47d3-aa15-c04edbd10e86/health_o_meter_dial_scale_walmart.pdf
- https://uploads.strikinglycdn.com/files/c9b56053-452f-4caa-9616-11e051646852/xaxezimesigewufibabas.pdf
- http://wikukodukoja.onlinewebshop.net/rangers_apprentice_film_release_date.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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fb18.binb7585a2361b95409d9fef8f4c59516e7c0dd3d0ebbd6d61710568c3b10bcfa04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB18 | 5408 bytes |
font_01_sfnt_off00010db6.bin385c2bd1463a90e23dd3ac359638c7ba2b764bb9ab494ec984e9ebd7202ee868 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DB6 | 11616 bytes |
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