Malicious PDF — malware analysis report

Static analysis result for SHA-256 c044b431408fc750…

MALICIOUS

PDF

79.1 KB Created: 2021-03-04 04:30:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 8ef29a3a05e49e87bd26bf896e2e4cb4 SHA-1: 61723012f9ef48a5957e5c5a0294138bbf73c56c SHA-256: c044b431408fc75073837de33cf5761743a10c95d23ee5a6f96fb21bf3f58388
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://bologen.ru/award?keyword=download+driver+scanner+canon+mp250+windows+10+64+bit PDF link annotation
    • http://nibakelenixezas.getenjoyment.net/wahl_clipper_guards_size_12.pdfIn PDF document text
    • http://bawazofo.getenjoyment.net/41809986809.pdfIn PDF document text
    • http://josumewemuzob.getenjoyment.net/dell_optiplex_9010_drivers_for_windows_7_32_bit_free_download.pdfIn PDF document text
    • http://xijulefabogi.getenjoyment.net/legend_of_zelda_ocarina_of_time_master_quest_shadow_temple_walkthrough.pdfIn PDF document text
    • http://konolux.medianewsonline.com/how_much_oil_to_use_in_butterball_turkey_fryer.pdfIn PDF document text
    • http://nokojatagi.mywebcommunity.org/how_to_change_time_on_a_lacrosse_clock.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407988/normal_603b5544513e5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4492253/normal_60053fe2b4d36.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369907/normal_5ff3ed8586faf.pdfIn PDF document text
    • http://rumurel.mywebcommunity.org/31213360991.pdfIn PDF document text
    • http://lamakexo.scienceontheweb.net/6722940696.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4449783/normal_6013601953484.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jaxunukologefis.onlinewebshop.net/mafeziratiwesetewutox.pdfIn PDF document text
    • https://s3.amazonaws.com/fujadabez/kigemelusis.pdfIn PDF document text
    • https://s3.amazonaws.com/guxosa/catholicism_for_dummies_free.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_off0000f74c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF74C 6200 bytes
SHA-256: d2c59b079c638e6b78fb360d52ad139157e99a24484466c3d2e1bab0cbdf08e2
font_01_sfnt_off00010c72.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C72 10192 bytes
SHA-256: edd591f4c489c246cd7a8f13724f4afeac6e5b905eb57ab1874adaf5e4764519