Malicious PDF — malware analysis report

Static analysis result for SHA-256 13745cadcb97327f…

MALICIOUS

PDF

69.4 KB Created: 2021-03-04 02:23:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: f3975e857a2eda972f2bee66e313a0f7 SHA-1: 8d5fdae368ebe2731d329d9cd5b2f9226d239d4c SHA-256: 13745cadcb97327f95fc79e5b77e8f097fbb2a8e42be258783a5993c4c29d26f
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://mezovuduw.ru/wix?keyword=1996+kawasaki+vulcan+1500+service+manual+free+download PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4485930/normal_5ff0eb93cea27.pdfIn PDF document text
    • http://retapadu.medianewsonline.com/bright_line_eating_meatball_recipe.pdfIn PDF document text
    • https://cdn.sqhk.co/falunibesedo/rigicDy/wevomix.pdfIn PDF document text
    • http://peromopativej.mypressonline.com/guviw.pdfIn PDF document text
    • http://tasezupu.22web.org/28243328326.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375076/normal_6006743075755.pdfIn PDF document text
    • https://cdn.sqhk.co/tudosiki/eTifOjO/35129715036.pdfIn PDF document text
    • http://gegapaxibu.22web.org/descargar_facebook_dating_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/xuzalolotagi/Ly3zjck/circuroid_mod_apk_android_1.pdfIn PDF document text
    • https://cdn.sqhk.co/bujasugawo/jfFChiX/64120683274.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384036/normal_600f2a9bdf65d.pdfIn PDF document text
    • http://fusafanomogade.iblogger.org/acer_aspire_one_zg5_memory_upgrade.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418584/normal_5fe6730587927.pdfIn PDF document text
    • http://tufodudem.mypressonline.com/impact_of_globalization_on_business_culture.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4418385/normal_5fe0ffef6353d.pdfIn PDF document text
    • http://vumamanepu.sportsontheweb.net/42303560279.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://gifesikubelazu.epizy.com/wugumunuvanexikowavize.pdfIn PDF document text
    • http://mowubuzedolilaf.epizy.com/midixodopovijuvipasura.pdfIn PDF document text
    • http://pekufupudemolor.epizy.com/gagevurowaxol.pdfIn PDF document text
    • http://xorosobodudirug.rf.gd/algebra_free_worksheets_printables.pdfIn PDF document text
    • http://gulavofi.epizy.com/meaning_bacterial_transformation.pdfIn PDF document text
    • http://tesilodapiz.rf.gd/viber_for_android_2._3._5.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_off0000d3a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD3A2 5916 bytes
SHA-256: a62255e330b9e71e07dd81da98d890bb121d4019271aa77b80500e42dc81176f
font_01_sfnt_off0000e7d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7D0 9328 bytes
SHA-256: c96830ace97916951a7d49535e8910222579bf0e6f41d852a836d51c55f855c9

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