Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b26e86a5642ac39…

MALICIOUS

PDF

71.9 KB Created: 2021-03-03 07:47:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 443e7616109c0fd5307d04f678a1db5a SHA-1: de872ea07a33b75315435395963961e23a164b13 SHA-256: 0b26e86a5642ac392b406b10fd751f029244e6111111cf4b242f83a0662b74bf
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://vilenefex.ru/wb?keyword=bt%20pallet%20jack%20service%20manual%20pdf PDF link annotation
    • http://budokudepa.scienceontheweb.net/snap_on_torque_wrench_digital_1_2.pdfIn PDF document text
    • https://jifefovemerozix.weebly.com/uploads/1/3/4/4/134444698/5570372.pdfIn PDF document text
    • http://rasezatoxefu.mygamesonline.org/kumunuragokasamidusapav.pdfIn PDF document text
    • https://vugesajovor.weebly.com/uploads/1/3/4/2/134265649/256d5358196c.pdfIn PDF document text
    • http://help-lnstagramcopyrights-verify.com/fowazeganeruzagasitj21d.pdfIn PDF document text
    • http://vizilirudigub.getenjoyment.net/68086073646.pdfIn PDF document text
    • https://vabeliguteziji.weebly.com/uploads/1/3/1/3/131379360/6267f98407e1f6.pdfIn PDF document text
    • https://suwutijotelites.weebly.com/uploads/1/3/6/0/136083726/4099313.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/wupixufekijax/delta_math_answers_geometry.pdfIn PDF document text
    • https://s3.amazonaws.com/kovibu/6.0_diesel_injector_replacement_cost.pdfIn PDF document text
    • https://s3.amazonaws.com/biwubeleba/21814525856.pdfIn PDF document text
    • https://s3.amazonaws.com/dovulavavo/34743384081.pdfIn PDF document text
    • http://kazowive.epizy.com/79591193979.pdfIn PDF document text
    • http://rotufixijisadi.onlinewebshop.net/how_does_the_criminal_justice_system_work_in_the_uk.pdfIn PDF document text
    • https://s3.amazonaws.com/bevarolimesale/black_desert_stuck.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_off0000dbb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBB6 5552 bytes
SHA-256: 0f053abe640d204c793a51a9ed8a4e882028fe931b6ebefbda72246523103fad
font_01_sfnt_off0000ee92.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE92 10652 bytes
SHA-256: 0fdaefd5dec4f9eadc547fd93f7121ff8c37001b94bf0736aaa4f2003e932804