Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1d014eac40d1c92…

MALICIOUS

PDF

72.2 KB Created: 2021-03-08 07:52:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 2d3f78c2561903382f0fd270afd7b851 SHA-1: b906bd58264eff36a6e8121ae895b2c9ad82ccc2 SHA-256: b1d014eac40d1c92e055b42c96bbf0690d4d5177eeba4e9550780a8e49569c46
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://lozipotod.ru/wix?keyword=zombocalypse+3+unblocked+76 PDF link annotation
    • http://savadaqwe.space/zubekuwiguqt4b.pdfIn PDF document text
    • http://raraveluwogevuw.mypressonline.com/78738055636.pdfIn PDF document text
    • https://jofovavugelizud.weebly.com/uploads/1/3/4/8/134855980/gimidejazevunarufa.pdfIn PDF document text
    • http://vulgargirls.fun/przymiotniki_dzierawcze_angielski_wiczenia_dla_dzieci0aqia.pdfIn PDF document text
    • https://budorezaru.weebly.com/uploads/1/3/4/8/134859022/jumizojuwemaw-kubosebevarun-juwiduwep.pdfIn PDF document text
    • http://on-arenas.com/signalr_sql_server_backplane_performancetdlwd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4488133/normal_5fcc60956bf0a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4464865/normal_6007a356f093e.pdfIn PDF document text
    • http://citimart.online/42553575709a320b.pdfIn PDF document text
    • https://kasezikibojeg.weebly.com/uploads/1/3/1/8/131871727/9052343.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471273/normal_600f430ed1a27.pdfIn PDF document text
    • http://woziwowariv.sportsontheweb.net/panasonic_microwave_oven_nn-sn766s.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378379/normal_5fd6e23e318ba.pdfIn PDF document text
    • https://wepovibixig.weebly.com/uploads/1/3/4/0/134040587/3941cfc.pdfIn PDF document text
    • http://rujitexoxobag.mypressonline.com/63785047507.pdfIn PDF document text
    • https://tujurexi.weebly.com/uploads/1/3/4/7/134743655/8718919.pdfIn PDF document text
    • https://lukafitujukeme.weebly.com/uploads/1/3/3/9/133997152/3989513.pdfIn PDF document text
    • http://itdomen.fun/libevuninigajayxsbl.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410006/normal_6033cbdd8bf96.pdfIn PDF document text
    • https://rozutawupev.weebly.com/uploads/1/3/2/6/132695629/5397890.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://s3.amazonaws.com/xidazeze/core_java_syllabus_durgasoft.pdfIn PDF document text
    • https://s3.amazonaws.com/vibasujefir/pinevinurarezimi.pdfIn PDF document text
    • https://s3.amazonaws.com/zijivevip/piriformis_pain_standing.pdfIn PDF document text
    • https://s3.amazonaws.com/xonaxevetaf/bol._com_boeken_en_op_ipad.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d0af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0AF 5540 bytes
SHA-256: c3dfebdd78cf34004f853c3fe156d545880cfd2f57a6f002e779a2d53dab72e8
font_01_sfnt_off0000e370.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE370 9988 bytes
SHA-256: e49ac59c5c895d80824859746112485063e5f24831d32450ba6e7b663d426a59
font_02_sfnt_off00010550.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10550 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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