MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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/strik?utm_term=do+not+despair+quote PDF link annotation
- https://static.s123-cdn-static.com/uploads/4372373/normal_5ffe7d9f8189d.pdfIn PDF document text
- https://cdn.sqhk.co/voravaxa/jjfSPc9/83026131931.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459921/normal_60316733531fc.pdfIn PDF document text
- https://cdn.sqhk.co/binuwaxe/hVoibhh/trenches_of_europe_2_mod_apk_android_1.pdfIn PDF document text
- https://cdn.sqhk.co/nupasoxure/jejhijs/99487380201.pdfIn PDF document text
- https://cdn.sqhk.co/boketumejipa/jjbijow/blasphemous_viridiana_achievement.pdfIn PDF document text
- https://cdn.sqhk.co/xakutofi/hgYhcji/buwonewit.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467589/normal_600e4889be973.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418171/normal_603ff273be09e.pdfIn PDF document text
- https://cdn.sqhk.co/rotelizedo/ezhcjja/53835065387.pdfIn PDF document text
- https://cdn.sqhk.co/rizinutix/2MTiihf/osm_scout_list_app_iphone.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475715/normal_5fd82241023a5.pdfIn PDF document text
- https://cdn.sqhk.co/nedovipirumu/eigjcJL/2_players_games_pc_offline.pdfIn PDF document text
- https://cdn.sqhk.co/vatomepipiw/ieOh86g/hardest_steven_universe_quiz_buzzfeed.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://de2a8dfc-dc8d-4d62-be3b-f97abdd17bf6.filesusr.com/ugd/c722c2_1421713da45b441faf18e53569b6cc8c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/guwutivupudutu/7183405753.pdfIn PDF document text
- https://s3.amazonaws.com/wibadinavosunom/zoxobuj.pdfIn PDF document text
- https://s3.amazonaws.com/bokofapig/hair_cutting_style_images.pdfIn PDF document text
- https://0f0532cb-4478-41f9-91a1-cf277c4732ec.filesusr.com/ugd/8acad3_d8231f121f3c43d2ad536c0722599f31.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jivuxo/bisome.pdfIn PDF document text
- https://62abf401-5fc9-4991-ac00-cb6a0c8cf8ec.filesusr.com/ugd/e4ff69_c8a423def003493a9118bfdbc186a64c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zarevizebi/42082207765.pdfIn PDF document text
- https://dab7fb03-f2af-4a8e-9cb9-31de623bedb3.filesusr.com/ugd/58b596_b75cb59886bc48caa964661b1dee6ca7.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gawabog/how_to_reset_a_digital_converter_box.pdfIn 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_off000102aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102AA | 5048 bytes |
SHA-256: 221587dae6fa9066742037dab2191f358293f7837004b6d97f57379a8b574165 |
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font_01_sfnt_off000113e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113E2 | 11960 bytes |
SHA-256: 4d3bbbdf5838888524f13f1126205ec66b7c499f92dc6be02a232b426c9d2c8f |
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