Malicious PDF — malware analysis report

Static analysis result for SHA-256 9580646fe4c4391a…

MALICIOUS

PDF

111.8 KB Created: 2021-05-07 19:44:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: d55591084f3b42998db9d0fa3a981868 SHA-1: e63f5a5815029d1c789d47d827afbb6e3a332866 SHA-256: 9580646fe4c4391a5b5c38d99ba42112d6893809df013a5b0f8ac03189349aeb
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though obfuscated, hints at a lure related to geopolitical events, further supporting a phishing or social engineering attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://mezovuduw.ru/strik?utm_term=why+did+collective+security+fail PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4471488/normal_602b8ecf35787.pdfIn PDF document text
    • http://sysfix.ru/pentair_gw9500_kreepy_krauly_great_white_inground_pool_cleaner_partsz2ww7.pdfIn PDF document text
    • https://cdn.sqhk.co/tisufupujeli/jagcunn/16104169839.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481684/normal_60505ada344f9.pdfIn PDF document text
    • http://buybritishcat.com/stochastic_calculus_for_finance7ao33.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465147/normal_5fe1d0281ac72.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378855/normal_6054527a4d7c0.pdfIn PDF document text
    • https://cdn.sqhk.co/kujotukil/gheT4ig/bubble_shooter_4_kostenlos_online_spielen.pdfIn PDF document text
    • http://kvyovk.xyz/2010249030742l5i.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4479917/normal_6024890566587.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367650/normal_60615fb57f75a.pdfIn PDF document text
    • http://vukabuv.22web.org/how_much_is_a_tarot_deck.pdfIn PDF document text
    • http://idealsit.space/417475001964dsd8.pdfIn PDF document text
    • https://cdn.sqhk.co/ribegibonot/hbyIiiR/foolscap_sheets_pronunciation.pdfIn PDF document text
    • http://bullbananavannaone.xyz/focusrite_6i6_3rd_gen1s52j.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nomekerileme.epizy.com/basic_automobile_engineering_textbook.pdfIn PDF document text
    • https://s3.amazonaws.com/sifawekujiki/arjun_reddy_full_movie_tamil_dubbed.pdfIn PDF document text
    • https://s3.amazonaws.com/gurafoga/visoxebogoxemokizole.pdfIn PDF document text
    • http://fezovabanufoben.epizy.com/slope_protection_design.pdfIn PDF document text
    • https://s3.amazonaws.com/loxopudizus/zugirukixuwitunorik.pdfIn PDF document text
    • https://s3.amazonaws.com/tubukeganuji/breville_microwave_bre799gmsse_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/moduluzuxikari/3d_cardboard_letters_templates.pdfIn PDF document text
    • http://lipitesagodat.epizy.com/casio_sport_protrek_solar_watch_manual.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.

FilenameKindSourceSize
font_00_sfnt_off00017a39.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17A39 5284 bytes
SHA-256: 07ad381cb12b398f74befdd144e342f752de3f17dc5915a0251a184186163d21
font_01_sfnt_off00018c42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18C42 10932 bytes
SHA-256: a3a6ee93f8ab6999ab058b2e91667965db4ac58e6dff2e0fbaabf699feb2baa6

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