Malicious PDF — malware analysis report

Static analysis result for SHA-256 7aeb8d3158d20b22…

MALICIOUS

PDF

80.6 KB Created: 2021-02-14 06:40:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 52aaeaa58c8ecbc0899d4fbac9fb365e SHA-1: a91e071b6e9055042ffc1b6c467349df64ebbf80 SHA-256: 7aeb8d3158d20b229006ea0d53e50095b47597c0b2295f56e77e5a9e561234a7
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://maypoin.ru/123?utm_term=clover+pos+system+user+manual PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4461511/normal_60045199408dc.pdfIn PDF document text
    • https://cdn.sqhk.co/pemiduwegam/gfhdlgi/10877838239.pdfIn PDF document text
    • http://maska-respirator.com/zomugaxiradapegofugexa5jfnv.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378379/normal_60089804dedf6.pdfIn PDF document text
    • http://storeeuro.info/bodumomiluz60y0.pdfIn PDF document text
    • http://organicsss.space/free_powerpoint_organizational_chart_templatepcsqe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451210/normal_60289f16af689.pdfIn PDF document text
    • https://cdn.sqhk.co/muribirigim/jQiiOja/bebekiv.pdfIn PDF document text
    • http://clubstore.info/fashion_cup_dress_up_and_duel_mod_apkl7mm8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387424/normal_601bdff701d54.pdfIn PDF document text
    • http://centerverifybadge.com/tisiralonulabuwomomeamcye.pdfIn PDF document text
    • https://cdn.sqhk.co/godanalumado/q0hcW3v/98315873253.pdfIn PDF document text
    • http://rineset.xyz/curriculum_night_powerpoint_templatet6kga.pdfIn PDF document text
    • https://cdn.sqhk.co/konumapedowe/hhvieNf/juwusikesebenawenibeja.pdfIn PDF document text
    • http://tehnotop.site/94469459622ms2h2.pdfIn PDF document text
    • https://cdn.sqhk.co/kufedefivuvu/aF4ahgc/73376114903.pdfIn PDF document text
    • http://m-laskin.ru/nezutepivutopugexut4n3w.pdfIn PDF document text
    • http://matcobzor.ru/gaxavilamoyax34.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_off0000feff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEFF 5032 bytes
SHA-256: 12903fb6d6e7dc542aa6968c2bea396303ac48b9a18d30ae799310422a978df9
font_01_sfnt_off0001100a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1100A 11076 bytes
SHA-256: 1c653bd34674b44676cfd474f2f7d7817e781b2ba02c3818f8765656e8def4f9