Malicious PDF — malware analysis report

Static analysis result for SHA-256 6356098fbe88b683…

MALICIOUS

PDF

64.6 KB Created: 2021-02-17 18:30:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: a18200d7e3db44f6659d100b5824e650 SHA-1: 4c8e70db21b4879805bc5c857908d2798c6c3e9e SHA-256: 6356098fbe88b683541740234ff3d8ec16ce60aa5a3c78202cb0349c5c02a7a0
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://baarspo.ru/aws?utm_term=holt+mcdougal+the+americans PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4393020/normal_5fcd63f492cdb.pdfIn PDF document text
    • https://cdn.sqhk.co/rolidofajug/hcmjhgg/delikoxasegunifon.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4462036/normal_5ff76bae564c7.pdfIn PDF document text
    • https://vekoduxiboba.weebly.com/uploads/1/3/1/3/131398498/fexeburased.pdfIn PDF document text
    • https://funogumoduwe.weebly.com/uploads/1/3/4/3/134309977/xeromus.pdfIn PDF document text
    • https://mujolimu.weebly.com/uploads/1/3/4/8/134868529/fetijuboje.pdfIn PDF document text
    • http://ultra0.space/classified_website_template75t6n.pdfIn PDF document text
    • http://fherixq.com/534183474686qmmj.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4494146/normal_5fc5811ed1e0b.pdfIn PDF document text
    • https://cdn.sqhk.co/mugejufunij/gd9jcha/god_simulator_2_script_v3rmillion.pdfIn PDF document text
    • https://cdn.sqhk.co/fogibadeku/URKijhA/gosukovuj.pdfIn PDF document text
    • https://cdn.sqhk.co/nebuwaxisiw/uidjihh/elemental_dungeon_apk_hack.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366034/normal_600261e51f015.pdfIn PDF document text
    • http://maewallace.com/35437350341wuzc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4474759/normal_5ffd060a1ae67.pdfIn PDF document text
    • http://betmoy56.com/call_of_sniper_warqony8.pdfIn PDF document text
    • https://cdn.sqhk.co/barugogip/3gfjfHv/ninja_coffee_bar_recipes_mocha.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4455681/normal_60269e5d5b0d8.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000c017.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC017 5312 bytes
SHA-256: 8c3b219332788641b30d36ddde5012a516f134643084111663f767159f40fc50
font_01_sfnt_off0000d1f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1F6 10332 bytes
SHA-256: 378b9b4618bacfed38fdba1cbd324b454212a7b2f25b45bf8c275b5f04f8357a