Malicious PDF — malware analysis report

Static analysis result for SHA-256 8130d602b158d1b7…

MALICIOUS

PDF

118.6 KB Created: 2020-11-20 07:50:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5892c3c50bdd20532c93bb4cfeaa7bec SHA-1: 12195d4a64ee0f80f4e5def6ad40ac75672ea925 SHA-256: 8130d602b158d1b769cf07e534c75d69041e0afd97b85970f1d268b725d9f6f0
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. The ClamAV detection and ML classifier indicate malicious intent, likely related to phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9707

Heuristics 5

  • 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.
  • 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
  • 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://trafffi.ru/aws?utm_term=bestimmtes+integral+formel
    • https://cdn-cms.f-static.net/uploads/4421466/normal_5fb29c8f4a5a5.pdf
    • https://gunomelovolif.weebly.com/uploads/1/3/4/7/134735852/xebezafo-baduduw.pdf
    • https://kivifakan.weebly.com/uploads/1/3/4/8/134870172/ab71d10.pdf
    • https://cdn-cms.f-static.net/uploads/4387417/normal_5f9a89900bd5a.pdf
    • https://fetibafavi.weebly.com/uploads/1/3/0/7/130776688/1623833.pdf
    • https://jiwepurojal.weebly.com/uploads/1/3/0/7/130775762/3293385.pdf
    • https://kavimexidulivi.weebly.com/uploads/1/3/4/0/134040988/movapiz.pdf
    • https://cdn-cms.f-static.net/uploads/4388818/normal_5f9053bbb900c.pdf
    • https://xavujome.weebly.com/uploads/1/3/0/7/130739328/jivugigekosekefiz.pdf
    • https://garituba.weebly.com/uploads/1/3/4/3/134335889/7515470.pdf
    • https://xutewosabog.weebly.com/uploads/1/3/2/3/132303209/9551418.pdf
    • https://barofabilis.weebly.com/uploads/1/3/2/7/132712093/wenot-rapedozasew-jafoza-fitupuba.pdf
    • https://texitanoz.weebly.com/uploads/1/3/0/7/130739996/9377631.pdf
    • https://gutirupivib.weebly.com/uploads/1/3/4/7/134768574/jonatamejewa_xuwipima.pdf
    • https://uploads.strikinglycdn.com/files/38786b03-ff0e-4e86-8b93-efdb20e6d892/delonghi_dragon_safeheat_manual.pdf

Open this report in the interactive analyzer, or submit your own file for analysis.