Malicious PDF — malware analysis report

Static analysis result for SHA-256 f207b0357dd3f332…

MALICIOUS

PDF

52.6 KB Created: 2020-11-24 08:00:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 08c1b1b383db307e9e77b71f32cd96b1 SHA-1: ae49418052e5ea7d436d1e0c3dac574767c6b742 SHA-256: f207b0357dd3f332e38708a8c6ba9f8eb63dab050e2ab495410597ef8fc7b935
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF file contains numerous embedded URLs, many pointing to disposable hosting services and employing UTM parameters, which are indicative of phishing or malware distribution campaigns. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic specifically flags this behavior. While no scripts were extracted, the presence of multiple malicious links suggests an attempt to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6410

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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
  • 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://traffset.ru/aws?utm_term=all+rounder+movie+audio+songs PDF link annotation
    • https://jaserasozupog.weebly.com/uploads/1/3/1/4/131454215/gefudigoramoju.pdfIn PDF document text
    • https://rofibefis.weebly.com/uploads/1/3/4/1/134131293/kasiputo.pdfIn PDF document text
    • https://munujagafunudo.weebly.com/uploads/1/3/0/8/130873736/6707880.pdfIn PDF document text
    • https://natagudere.weebly.com/uploads/1/3/4/5/134526504/8532590.pdfIn PDF document text
    • https://gozuvixonoj.weebly.com/uploads/1/3/4/5/134517501/b2619.pdfIn PDF document text
    • https://fupexorugukemig.weebly.com/uploads/1/3/0/8/130814763/gomijik.pdfIn PDF document text
    • https://fabomitax.weebly.com/uploads/1/3/4/8/134888897/5680374.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fc52b5aa-dac9-4b26-8dad-9597b4f957be/skylight_bank_locations.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7f43e0f0-4702-4ac8-9b9b-21516db0c095/pokuwafavu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/865025b1-c704-4f95-a63d-11d011955bbe/1167290331.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ca046aef-0bee-44f8-843c-2ff64a6cc7e4/jorowizijuribi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9c9afe5b-f350-4423-8b2c-dbe576cab7e9/blender_shortcuts_poster.pdfIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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