Malicious PDF — malware analysis report

Static analysis result for SHA-256 09297e833aee05ef…

MALICIOUS

PDF

70.4 KB Created: 2021-01-31 21:39:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: c87c79e984b46e2f51f078ca9079d698 SHA-1: b554f11a6d7a066c535c491873365121ee2dbc1e SHA-256: 09297e833aee05ef37d23ac2499b630e8bf8dcf74e9b24939ca698c1a6690355
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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=bodybuilder+photo+hd+wallpaper PDF link annotation
    • http://tehnopolis.org/love_games_ringtone_download_pagalworldwd8d1.pdfIn PDF document text
    • https://cdn.sqhk.co/novimabe/jajdvhd/mugiwisatikexixoxibive.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387232/normal_5ffb7ffc310ec.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4386834/normal_5fe154d8ceb45.pdfIn PDF document text
    • https://tefeteti.weebly.com/uploads/1/3/0/9/130969297/faf285fbadf8.pdfIn PDF document text
    • http://max-lifting.store/larikezururuvalnd3n7.pdfIn PDF document text
    • https://gamuzajebi.weebly.com/uploads/1/3/4/4/134481120/7627060.pdfIn PDF document text
    • https://cdn.sqhk.co/nugutobudan/RVcAuNt/66657403485.pdfIn PDF document text
    • https://cdn.sqhk.co/datagemop/agjhdH4/89675687953.pdfIn PDF document text
    • https://cdn.sqhk.co/sorubajuzoxe/aR5sOii/planets_in_order_from_smallest_to_largest.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4392869/normal_5fef8a50564b3.pdfIn PDF document text
    • http://doweryklkq.space/mokawotumavunedefozuy0h02.pdfIn PDF document text
    • https://gemiletux.weebly.com/uploads/1/3/2/6/132681217/2411221.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4373248/normal_5fcd5fb962166.pdfIn PDF document text
    • https://tezilejesitox.weebly.com/uploads/1/3/1/1/131163634/8011173.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_off0000d85a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD85A 5252 bytes
SHA-256: 6dcea5e8502003601f671d71a8ef2565b3202dac41692e4d48f7c9e270aa4090
font_01_sfnt_off0000ea40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA40 10184 bytes
SHA-256: 553907bd5c623aed84965e657257df1dbb3f87307d17f1ce34ba96bcdcdc9aa2