MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded links, many pointing to disposable hosting, and at least one known malicious redirector. This strongly suggests a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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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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://yafferge.ru/strik?utm_term=safety+1st+dino+walker+manual In PDF document text
- https://cdn.sqhk.co/simunenij/hpjeii0/big_launcher_alternative.pdfIn PDF document text
- http://mp4.design/4686464147un4iy.pdfIn PDF document text
- https://cdn.sqhk.co/lexuxeza/ic02gis/administration_dfinition.pdfIn PDF document text
- https://cdn.sqhk.co/tifomogoketu/igiczij/sivajojirizupojotolugavo.pdfIn PDF document text
- https://cdn.sqhk.co/mugejufunij/ckwCgg9/guitar_hero_warriors_of_rock_band_bundle_wii.pdfIn PDF document text
- https://cdn.sqhk.co/xedasuzefer/icaghmV/26570225080.pdfIn PDF document text
- https://cdn.sqhk.co/fegukajebaj/ieijhO4/borezi.pdfIn PDF document text
- https://cdn.sqhk.co/mosugukasiba/jfhgSjg/durokututemenokapebup.pdfIn PDF document text
- http://sandiego-podcasts.com/listening_worksheets_with_audio_for_kindergartenfphj6.pdfIn PDF document text
- http://legalvictory.group/44242082596146fz.pdfIn PDF document text
- https://cdn.sqhk.co/lejesapazud/geURDBp/savings_tracker_app_android.pdfIn PDF document text
- https://cdn.sqhk.co/bogovureg/ggigihG/sniper_rifles_cod_ww2.pdfIn PDF document text
- https://cdn.sqhk.co/bitowiso/SieD3dA/95000706083.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://pimibini.epizy.com/centerpoint_energy_power_outage_reporting.pdfIn PDF document text
- https://cb2d4818-2134-4ea5-ae57-1bc45cfc4292.filesusr.com/ugd/7e787c_fb7ef8db599c409da48268af5c417efc.pdf?index=trueIn PDF document text
- https://03df18d0-0a94-4077-8b44-1f3cf8b7c870.filesusr.com/ugd/23a6c3_6a1b7c8b4dae404394beb12f0ea116ce.pdf?index=trueIn PDF document text
- http://vaxomuterok.epizy.com/80886945840.pdfIn PDF document text
- http://jejafajiw.rf.gd/count_character_in_excel_sheet.pdfIn PDF document text
- http://xelidamos.epizy.com/rural_mailbox_installation_guidelines.pdfIn PDF document text
- http://gatokelemek.rf.gd/64619105909.pdfIn PDF document text
- https://ff4d9611-e7ea-45f2-85d3-f0b464ef817f.filesusr.com/ugd/48f461_96de71b96ac843abb05ab7b7f3c5ceb8.pdf?index=trueIn PDF document text
- http://fipenalexaxa.epizy.com/xatunavozukiratuzi.pdfIn PDF document text
- https://28ae28a3-27cc-4d38-be83-0de1f6925f83.filesusr.com/ugd/454016_a2676c2d6b19417b87b25819d58046c8.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f4c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C4 | 5348 bytes |
SHA-256: 4765961fa54b91206336c1cf677f5c407bcff810a0270fa2eefb055f322801f8 |
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font_01_sfnt_off000106f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106F4 | 12272 bytes |
SHA-256: 49c41982c121c519a8e590277203391bd88f2350b97a1cb8fc0d2513efb4f304 |
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font_02_sfnt_off00012fc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FC5 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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