Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee05f51fb1ad39a0…

MALICIOUS

PDF

39.3 KB Authoring application: OpenOffice Draw
MD5: e82a837360509f16099aef0c259a72f2 SHA-1: 625fb4fd8f4dc2309f7d0fe63d9abfe213115e35 SHA-256: ee05f51fb1ad39a0fabf7db183769a588f87ea586b14061ae4b05562eddcdd4d
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier's high confidence score further indicate malicious intent. The embedded URLs are likely part of a phishing or scam campaign, aiming to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 http://mobilenotaryinca.com/uploads/1/3/0/5/130546486/gopamejo.pdf
    • http://espace-clientsv3-0range.com/uploads/2020/01/27/witonido.pdf
    • http://gokoku.gdetabletka.ru/uploads/2020/01/28/855419.pdf
    • https://kivorogenakevov.weebly.com/uploads/1/3/0/5/130590700/5235058.pdf
    • http://treatsbyleets.com/uploads/1/3/0/2/130291365/9007844.pdf
    • http://tattyscoins.co.uk/uploads/1/3/0/3/130379435/dolixiranakerik-kuwobalazufu-favule-bosigurever.pdf
    • http://vatabub.monohord.ru/uploads/2020/01/27/kotumegajalav-gubiwexexofoso.pdf
    • https://kifekenodoludux.weebly.com/uploads/1/3/0/5/130539235/kiwakeban.pdf
    • http://zarogkol.top/uploads/2020/01/28/xezawuzubelalur.pdf
    • http://twyfi.org/uploads/1/3/0/3/130313702/talimezotut.pdf
    • http://amirhanov.com/uploads/2020/01/29/ronakonazatuli-xewenutemivipis-fixugimiro-soxuwokat.pdf
    • http://firesidetech.net/uploads/1/3/0/3/130313263/rogojufakuzubunoxo.pdf
    • http://cityonloc.com/uploads/1/3/0/6/130604165/130604165.html#halloween+pumpkin+templates+easy

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001349.bin
e404e03416981ae784c8523364ae10946702eaf600f94b1089631b2149fcdb0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1349 7732 bytes

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