Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ed4906522f38a60…

MALICIOUS

PDF

76.1 KB Created: 2021-02-16 16:42:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 18515461680101cdfcd9e7ab37080994 SHA-1: 2992f8e10b7a654213a3e34471d671a181288c75 SHA-256: 9ed4906522f38a60299d5c46a5d0bce71e043c9c8f5c98a57d36875d58d4919e
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • 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://bologen.ru/aws?utm_term=mossberg+835+serial+number+dating PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4384639/normal_601dbf9fb57d3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4461495/normal_5fcebb6624f5a.pdfIn PDF document text
    • https://cdn.sqhk.co/gegefemorosu/ifyjiy7/xujukebawasutejepa.pdfIn PDF document text
    • https://cdn.sqhk.co/muvifisi/ez8deii/nomas.pdfIn PDF document text
    • http://rokonagusedat.22web.org/nerf_double_dealer_mod_guide.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4424341/normal_6012125f17534.pdfIn PDF document text
    • http://benunemubowam.22web.org/96940658716.pdfIn PDF document text
    • https://cdn.sqhk.co/sawibevas/ZghhN4X/pegajozapevik.pdfIn PDF document text
    • https://sadusanolomu.weebly.com/uploads/1/3/4/6/134646393/lodajuxawoninokajo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/tosego/gradient_of_a_straight_line_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/rurovikejigibu/dance_basanti_song.pdfIn PDF document text
    • http://puligop.epizy.com/jingle_bell_song_christmas.pdfIn PDF document text
    • http://pupusebeleba.rf.gd/business_awareness_questions_and_answers_2017.pdfIn PDF document text
    • http://bugifub.epizy.com/lonoletabotapurofixuli.pdfIn PDF document text
    • https://s3.amazonaws.com/jemisajoda/brochure_templates_powerpoint.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_off0000e9ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE9AD 5772 bytes
SHA-256: ec785c76cbb8c59cc79a16e5b444cdf51278fe79a53b3fa251f83949a5d37ca7
font_01_sfnt_off0000fd3e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD3E 11556 bytes
SHA-256: a9d641212eb628533dc651509bcd14c9ed20b42d31878960588bdb2a403f4b27