Malicious PDF — malware analysis report

Static analysis result for SHA-256 06a6c766051cf7e0…

MALICIOUS

PDF

70.4 KB Created: 2021-02-27 09:24:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 76bedb558652a60ee3894b9bb95647bb SHA-1: a6045165b77b63633b3b484544dd9655318d0910 SHA-256: 06a6c766051cf7e06263b7743dc79d5dfef785a4738e95ba0f72218b152803b2
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://fokemale.ru/award?keyword=area+and+perimeter+worksheets+pdf+grade+5 PDF link annotation
    • http://pedagodogiko.getenjoyment.net/sovuz.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4377113/normal_5ffe880c71731.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490272/normal_5fd60dfccd7a4.pdfIn PDF document text
    • https://cdn.sqhk.co/wogirujut/sBjjgjc/usa_today_sports_images_recent.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4494661/normal_6018cac09105e.pdfIn PDF document text
    • http://pexawegowe.mywebcommunity.org/what_is_statistical_estimation_of_scale_economies.pdfIn PDF document text
    • http://jofifuneku.medianewsonline.com/hp_p2035n_printer_for_sale.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4497109/normal_601ffcc66e991.pdfIn PDF document text
    • http://lamaded.mywebcommunity.org/94725943316.pdfIn PDF document text
    • http://gejesixave.scienceontheweb.net/international_student_marketing_manager_job_description.pdfIn PDF document text
    • http://luxasireku.sportsontheweb.net/21483630065.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wosamufudov.epizy.com/fuvalamelukekogu.pdfIn PDF document text
    • http://zitadufafasid.onlinewebshop.net/world_map_with_oceans_and_continents_labeled.pdfIn PDF document text
    • http://wedalavunobuwe.rf.gd/92200411644.pdfIn PDF document text
    • http://zopopujeji.rf.gd/jukojesujeviwugejigarof.pdfIn PDF document text
    • http://wunozoviwo.epizy.com/difetawumakajawe.pdfIn PDF document text
    • http://redotikami.rf.gd/coreldraw_2019_mac_crack.pdfIn PDF document text
    • http://sitafefisoju.atwebpages.com/93795217613.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_off0000d60d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD60D 5692 bytes
SHA-256: a11825ccb14e01115ba68e6ae29bf8d5e518711fe0136cccba45cad6e8e9a1cf
font_01_sfnt_off0000e966.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE966 10304 bytes
SHA-256: 3e9d3d141439d80ed8c1ad623df3c3b73e030c9e48797d8c28588cf3cb38156d