MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, with a high-confidence ML classifier and ClamAV detection indicating malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests a tactic to obscure malicious links. The presence of external URIs like 'https://vilenefex.ru/wix?keyword=audience+tone+and+purpose+worksheet' indicates the document is designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://vilenefex.ru/wix?keyword=audience+tone+and+purpose+worksheet
- http://gta-msk.ru/quotes_sun_tzu_leadership6hcg7.pdf
- https://cdn.sqhk.co/dulunukosep/fgiieii/chama_chama_new_version_song_free.pdf
- http://0fruit.space/68134085233med27.pdf
- http://sberpodarok2020.online/rulabiwememur0qk31.pdf
- https://cdn.sqhk.co/posojuvapono/cZQyYMZ/32530579916.pdf
- http://zeraseb.66ghz.com/ascaris_lumbricoides_2018.pdf
- https://sujixiku.weebly.com/uploads/1/3/0/7/130739139/zujozu-doxof-vodezazupirama-jixedodobe.pdf
- http://pisobadepujo.22web.org/kuvuwopaj.pdf
- http://nowukusox.mypressonline.com/magic_mouse_2_ipad_pro_9.7.pdf
- http://bristol-yalta.run/boxuxijagegisaxofovasimmr2i9.pdf
- https://faporipito.weebly.com/uploads/1/3/4/6/134600592/db6b219c72c2a.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://jasigobup.epizy.com/jutuzudi.pdf
- https://uploads.strikinglycdn.com/files/b5c4c61e-de85-42c7-a82c-b4086dd77e5d/are_nissan_muranos_reliable.pdf
- https://uploads.strikinglycdn.com/files/8dbb2ec4-b24a-43e6-b960-648b48e98f2e/43247177863.pdf
- http://pevogikuxupeja.onlinewebshop.net/8585608215.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_off00011b17.bin06fc359bce3a394ae2bb8d5631eba27559bce285a37247c3c23ef60669c34d46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B17 | 5272 bytes |
font_01_sfnt_off00012d11.bineef49cec605373e0c9eed2820a6ce00c3787d37a1a520e799336fd5ab4f56466 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D11 | 11508 bytes |
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