MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The primary malicious URL identified is golowaki.ru, which is likely used to host or redirect to a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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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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://golowaki.ru/award?keyword=thank+you+letter+for+business+opportunity+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4369330/normal_60038a2fb0dee.pdfIn PDF document text
- http://tifimazupidad.iblogger.org/ncert_maths_textbook_for_class_7.pdfIn PDF document text
- http://myirn.icu/what_is_the_weight_limit_for_lightweight_boxingumvgz.pdfIn PDF document text
- https://cdn.sqhk.co/bofagenined/glxKcbD/costco_callaway_golf_balls_review.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490736/normal_605c631973fe9.pdfIn PDF document text
- http://reetodo.online/ride_helix_snowboard_2020_reviewkl15u.pdfIn PDF document text
- https://cdn.sqhk.co/farafakilof/ds2fVd3/xesaxavupusigekupum.pdfIn PDF document text
- https://cdn.sqhk.co/dufimogemeka/C5hdijB/how_to_switch_off_roaming_on_iphone_x.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446924/normal_5fd77117ba98f.pdfIn PDF document text
- https://cdn.sqhk.co/furigelo/b0Tje57/final_fantasy_3_nes_english_translation_rom.pdfIn PDF document text
- http://helps-lnstagramcopyrights-about.com/babizexerasirovizonenqxn97.pdfIn PDF document text
- http://borolepejawodur.22web.org/weather_report_in_english_today.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://5c90cfa9-af55-48e2-9430-1f3580382729.filesusr.com/ugd/e2b09b_d630bf2a9b4e46a9a041db6a842deabb.pdf?index=trueIn PDF document text
- https://be56f97b-0727-4a8e-a141-4155b83e75ac.filesusr.com/ugd/5034d0_f2fb8722682c439b9c0d246e7b80d283.pdf?index=trueIn PDF document text
- https://0feddc0e-03bc-46a3-a741-45303deff239.filesusr.com/ugd/6ea6a2_d2274dcff236498b91778ad371b65d4f.pdf?index=trueIn PDF document text
- http://putesedesupelo.epizy.com/4129292947.pdfIn PDF document text
- https://fa53e508-d88d-41cb-897c-7a5b6f1bfcc3.filesusr.com/ugd/361045_909f743d11ba4ceda67217b4a192da12.pdf?index=trueIn PDF document text
- https://fdf0fb27-5181-4190-8e1a-80fb86d87eb1.filesusr.com/ugd/2410c9_8e8784c5905e41608156426ae0add203.pdf?index=trueIn PDF document text
- http://vezoxonu.epizy.com/xemijubizanad.pdfIn PDF document text
- http://toronakurimub.epizy.com/giorgio_agamben_the_open.pdfIn PDF document text
- https://8bbfbdb8-1895-4472-a1c6-9e834ce25a60.filesusr.com/ugd/7deb27_8275aefbaa704e5b9858012bd696e5d6.pdf?index=trueIn PDF document text
- https://3745348a-78a0-42d7-8ff4-af2b45bf5faf.filesusr.com/ugd/02631b_06bbf2f3d4b6426a819a206b1e227b1c.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB15 | 5384 bytes |
SHA-256: 22ce963f57eff98b6aca15df130b871c34fc18af9752d5f057b39206c0594d97 |
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font_01_sfnt_off0000fd5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD5D | 10764 bytes |
SHA-256: 63e3455a11d8deeca5d7d01e7e331635ce1bfd354a08329a6de0c187e821a326 |
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