Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7adaac75ac2314a…

MALICIOUS

PDF

48.6 KB Created: 2020-12-26 17:15:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1cf73fc8a06165f6f53ce1385fbc2045 SHA-1: 2fe80afb356cbd330852930125a4ba6ff78ef2f4 SHA-256: f7adaac75ac2314af637417bd1e649e8cb9256273ca121c5d2eca4b01b7719e9
144 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is identified as malicious by multiple heuristics and a machine learning classifier, with ClamAV detecting it as a phishing trojan. The PDF_IMAGE_LURE heuristic indicates it's an image-based document designed to trick users into clicking a link, likely for phishing or malware distribution. The embedded URL `https://traffnew.ru/strik?utm_term=descargar+bullet+force+para+pc+ultima+version` is a primary indicator of this malicious intent. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6307

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
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 48 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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
  • 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://traffnew.ru/strik?utm_term=descargar+bullet+force+para+pc+ultima+version
    • https://fitarobut.weebly.com/uploads/1/3/4/6/134690469/jetisemanu-nulawesexidof-jamotow-refunagutepoxe.pdf
    • https://cdn.sqhk.co/kapidibewomu/bhdzhic/construction_assistant_project_manager_jobs_houston.pdf
    • https://cdn-cms.f-static.net/uploads/4365656/normal_5f87038fa98a5.pdf
    • https://jopomewimedadi.weebly.com/uploads/1/3/4/4/134465277/bapikugo.pdf
    • https://sobexezawatu.weebly.com/uploads/1/3/4/9/134903145/7133079.pdf
    • https://zafojepomekosax.weebly.com/uploads/1/3/4/3/134352399/rikosiw_zorikuna.pdf
    • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/kezupukono.pdf
    • https://cdn.sqhk.co/zexukobesu/lhdihOW/check_for_virus_on_iphone_10.pdf
    • https://cdn.sqhk.co/dekaroku/TgeoLQr/todotebapogagobivu.pdf
    • https://fofafobef.weebly.com/uploads/1/3/4/3/134349457/sifeji_pekufolupa_dopipevizov_delivexifaki.pdf
    • https://uploads.strikinglycdn.com/files/882f2630-c0ea-4729-a259-482700ae225c/17672992415.pdf

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