Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee03aa6416350571…

MALICIOUS

PDF

55.8 KB Created: 2021-02-27 00:18:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 2994fbbf49e6e6ef268b1e28109c64ac SHA-1: 4e4c936d3cc26b7e69ba85bee8165dd8f59947af SHA-256: ee03aa64163505712d5485c0791ee3b179efa81e2089768497421f19ad8e51c7
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and exhibits characteristics of a phishing lure. It contains a mass of external links, including one pointing to `https://baarspo.ru/award?keyword=canon+xh+a1+service+manual`, which is likely part of an SEO link farm designed to redirect users. The document body, though heavily truncated, suggests a pretext of providing a service manual to entice clicks.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6664

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 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://baarspo.ru/award?keyword=canon+xh+a1+service+manual PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4417423/normal_5ffa2a196ad9e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369632/normal_5fe6b2bac1495.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376105/normal_60275c0697f67.pdfIn PDF document text
    • https://cdn.sqhk.co/turogepufe/hgdxgfy/flippers_movie_theater_hollywood_florida.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379718/normal_5fc63b1a8ee00.pdfIn PDF document text
    • https://cdn.sqhk.co/gitaligido/igFMrib/90666810493.pdfIn PDF document text
    • https://cdn.sqhk.co/ranemagesoga/bGxjgMf/matazolalegubulavan.pdfIn PDF document text
    • https://cdn.sqhk.co/jotapepikota/jaifieN/fitutop.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4492880/normal_60013c0f5d3e6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365563/normal_5fc79583a2142.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411681/normal_601a66ae5a048.pdfIn PDF document text
    • https://cdn.sqhk.co/movumatoz/v6ghTjb/best_credit_card_manager_app_ios.pdfIn PDF document text
    • https://cdn.sqhk.co/botonerepap/jhs8haT/tukogaxi.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4493876/normal_5ff1d0881ea5f.pdfIn PDF document text
    • https://ledajesaler.weebly.com/uploads/1/3/4/0/134041179/8aa37126.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459629/normal_5fe5bea740863.pdfIn PDF document text
    • https://cdn.sqhk.co/dasofuduveje/jcgwe1b/mlb_playoff_bracket_locations_2020.pdfIn PDF document text
    • https://talipugetajizan.weebly.com/uploads/1/3/4/8/134862074/3430513.pdfIn PDF document text