MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier, including ClamAV's Pdf.Phishing.Trojan signature. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The document body, though heavily obfuscated, appears to be a lure related to product searches, likely to trick users into clicking malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 6
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://botokaw.ru/strik?utm_term=best+portable+am%252Ffm+radio+with+cd+player
- https://cdn.sqhk.co/navozaxezini/Zcji8ia/35189922273.pdf
- https://static.s123-cdn-static.com/uploads/4460233/normal_6008a9c66aa04.pdf
- https://cdn.sqhk.co/pekobenew/cOVsgqT/93384621467.pdf
- https://static.s123-cdn-static.com/uploads/4494677/normal_5fdf9b359bb86.pdf
- http://ndfnasg.xyz/256735067408cgxw.pdf
- https://cdn.sqhk.co/xevowuto/hjNhejd/83379167919.pdf
- https://static.s123-cdn-static.com/uploads/4366335/normal_5fcaa726b852a.pdf
- https://cdn-cms.f-static.net/uploads/4380694/normal_603b4bc0a1390.pdf
- http://klossheff.xyz/trng_by_hay_chng_bybxzia.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/vaxebisapesi/the_master_book_of_candle_burning_free_download.pdf
- https://8b2103c5-345b-48fd-98e3-f19c90c4efd0.filesusr.com/ugd/0e2875_47e311bce19943439933942525777668.pdf?index=true
- https://557345b1-98c6-442d-b460-9e357c178e5b.filesusr.com/ugd/dfb5f8_38b739a188284631b1369cecfa2cc728.pdf?index=true
- https://7a579b3f-ce96-4c66-abdc-991530493d29.filesusr.com/ugd/010c6b_05b6ec9ba0cd4252b93d4ac65ce22667.pdf?index=true
- https://b5c4f4dd-ae1f-4f6a-908c-f463551224e4.filesusr.com/ugd/dafd60_ef52fffcddd447ce8cf327c045100289.pdf?index=true
- https://aece7fbc-7072-4055-9cfa-29e0da41b620.filesusr.com/ugd/e878fd_eda130fc04a4485dbb625480e7f84992.pdf?index=true
- https://s3.amazonaws.com/jivagajamav/porexavexulimugatewamovix.pdf
- https://s3.amazonaws.com/jukoxisojow/cost_analysis_report_in_excel.pdf
- https://58eafb2e-ea74-4523-a1b2-d2e0fe9bfe54.filesusr.com/ugd/466fa0_731802a0dc1e4214a82aeba84d8781f7.pdf?index=true
- https://a540aa65-2eb1-4ac3-86d0-bf6a54daac96.filesusr.com/ugd/2d797c_2fa67ed98f3d474e86d53ead1232df37.pdf?index=true
- https://s3.amazonaws.com/tufitijinexu/bulorimusoximebiw.pdf
- https://dc688580-c0ec-4ade-910b-7abffd870ab4.filesusr.com/ugd/096b61_a62dd609137b4073ba1dd6e4321fc0bf.pdf?index=true
- https://s3.amazonaws.com/kasuwevovog/jimonazopugi.pdf
- https://da5bec28-7969-4117-8ffb-5069fce5e80c.filesusr.com/ugd/31593d_6d026b614a824158aee05f3dabae3597.pdf?index=true
- 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_off00010806.bin6a4f3617858cfcec5156a536ff24e53858ae544733fcece2a1f2635839f9820b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10806 | 5816 bytes |
font_01_sfnt_off00011bc2.binca5de1c350b2b6e640aa71f729abbb5ee6a3707350e8b503e7d7fb1b7f355876 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC2 | 11164 bytes |
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