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, specifically flagged as a phishing trojan. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. The primary malicious URL identified is https://midufefew.ru/award?keyword=berliner+platz+3+b1+pdf, which is likely part of a phishing or scam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://midufefew.ru/award?keyword=berliner+platz+3+b1+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4369512/normal_5fec1f46bbdb7.pdfIn PDF document text
- https://cdn.sqhk.co/sixajuzap/gHFTQgf/todugojifokunipajixixefo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421218/normal_6054de840eb05.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413862/normal_5fe810777132e.pdfIn PDF document text
- http://axecheat6.xyz/mckinsey_annual_report_2017mod7p.pdfIn PDF document text
- https://cdn.sqhk.co/pojimisuso/ieChgj5/arihant_sample_paper_class_10_english_solutions.pdfIn PDF document text
- http://lnstagramcopyrightcenter.com/zoropamorobowonaxafela79gpf.pdfIn PDF document text
- https://cdn.sqhk.co/mojuzizimu/ijOhgom/lego_hidden_side_summer_2020_leaks.pdfIn PDF document text
- https://cdn.sqhk.co/wavafinudow/Vhaehhj/53383799406.pdfIn PDF document text
- http://sarkife.site/sheet_metal_gauge_thickness_metric3ym09.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393511/normal_6027c277cf008.pdfIn PDF document text
- http://lastmarkt.ru/548346471830u7yn.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476580/normal_60010448dfb12.pdfIn PDF document text
- https://cdn.sqhk.co/lezubenewago/irb4Jjd/british_petroleum_corporate_social_responsibility_report.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417830/normal_5ffdee2762f6b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424692/normal_605d011ea559c.pdfIn PDF document text
- https://cdn.sqhk.co/guregame/hixY9ge/wordscapes_level_8250.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4494165/normal_606928cd66a82.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
- https://856cb5e6-6c81-45ce-9604-b57907a15cd2.filesusr.com/ugd/cc3ca9_90433dbf78f444b2b1f848e7f60fe461.pdf?index=trueIn PDF document text
- https://39ad70c8-6a03-4de2-a89b-b0209cba5754.filesusr.com/ugd/d2759c_61c38d99ebba41cca5ce41f5e6942bf4.pdf?index=trueIn PDF document text
- https://e8677ced-6330-435e-8237-200fb10408a4.filesusr.com/ugd/a4c1fa_ce02a460b34747a2be5ec09661aece24.pdf?index=trueIn PDF document text
- https://a8a57b57-a5e9-4b5c-b824-02731ce3a1bd.filesusr.com/ugd/cfa667_c4d48364f5ff4572ad30ac9d67850e86.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_off0000f055.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF055 | 4988 bytes |
SHA-256: 5fde5b2b010e85715d6943dc625731ed2813c2f87996d17e8c5befadecc0383b |
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font_01_sfnt_off00010151.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10151 | 12452 bytes |
SHA-256: 297d8ed25e1c534b8bb649b7f0d4d307eba16eb448c2e146b14647b96f35e0bc |
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font_02_sfnt_off0001293e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1293E | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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