Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e422ca2a6a5b07e…

MALICIOUS

PDF

69.6 KB Created: 2020-12-22 03:11:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-23
MD5: cf78afc4154473f8d62bf3133df5aae3 SHA-1: 63047f97fb5e1b22b7ac53c72cab0c3da9d100a1 SHA-256: 5e422ca2a6a5b07e4f51b8337995b05fbe6c09dbeba9ffe0ea05b185aafda41e
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a significant number of external links, indicating a link farm strategy. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. The embedded URLs point to various domains, some of which are unknown and potentially malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9098

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 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.
  • 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=android+studio+adb+location+mac PDF link annotation
    • https://mezobemubuzopos.weebly.com/uploads/1/3/3/9/133997151/6322181.pdfIn PDF document text
    • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/297c0.pdfIn PDF document text
    • https://nofakefol.weebly.com/uploads/1/3/4/3/134341926/87c6daf7ae.pdfIn PDF document text
    • https://dataremidesop.weebly.com/uploads/1/3/4/6/134697992/8090532.pdfIn PDF document text
    • https://jafutefas.weebly.com/uploads/1/3/4/4/134489285/sefukavom.pdfIn PDF document text
    • https://vebifejelib.weebly.com/uploads/1/3/0/7/130775119/c7bb9e53e87f71e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472766/normal_5faa4767b75ae.pdfIn PDF document text
    • https://lotogifivetizub.weebly.com/uploads/1/3/4/3/134309957/lemipojek.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368991/normal_5fe13baf304d3.pdfIn PDF document text
    • https://xirunokud.weebly.com/uploads/1/3/4/4/134467368/883809.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc12bef2cf09257bd6dc3ad/t/5fc544e208845d09243761df/1606763747282/dd_5e_skeletal_dragon.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fdc7d509de11a3bcb749b5f/t/5fdcc38af389365f1ac435c9/1608303498663/example_of_bibliography_in_research_paper.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5904aff13940aa25f39a7/t/5fd6c045102ca46975f1d360/1607909446531/47754875700.pdfIn PDF document text
    • https://s3.amazonaws.com/jufowokedunod/tamil_movie_themes_songs.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fdfe8fd743d4425cca11570/t/5fe021cf5809ae3434269426/1608524240746/ditizopal.pdfIn PDF document text

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