Malicious PDF — malware analysis report

Static analysis result for SHA-256 05a6185681713e43…

MALICIOUS

PDF

30.7 KB Authoring application: PDFBox
MD5: f34b0ab9f53297ce1f3062c441caf54c SHA-1: c6508cbf621915e1a32c45ed7a2f7c533c64fc9f SHA-256: 05a6185681713e43b4b08f64d83915ff769a50221d212e5baf30aef4af676014
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a coordinated effort to distribute content or manipulate search engine results. The ClamAV detection and ML classifier further support its malicious nature, likely as a phishing or content distribution lure.

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://skandinaviskgolfgruepppe.com/uploads/1/3/0/2/130287939/tefudifagabuli-kuxujowe-tezoru.pdf
    • http://doverlions.org.uk/uploads/1/3/0/6/130620813/3843658.pdf
    • http://eatlocalexpokc.com/uploads/1/3/0/5/130551765/8d4903ac2.pdf
    • http://myludingtontherapy.com/uploads/1/3/0/5/130541445/pebagopeguti.pdf
    • http://differentstrokes-painting.com/uploads/1/3/0/8/130814623/vadaki-vasaxamuxoj.pdf
    • http://webmail.cafecarpenter.com.au/uploads/1/3/0/6/130621960/1332737.pdf
    • http://kendubner.net/uploads/1/3/0/5/130588542/fekikuvupifeno_fonotapop_fabugofudife_nozofovipa.pdf
    • http://icsfacilityservices.com/uploads/1/3/0/7/130776877/pisatewi-rumib-zugurosu.pdf
    • http://hostmaster.somethingfishyclothing.com.au/uploads/1/3/0/8/130874676/7c644890b8e5.pdf
    • http://faithlifetv.org/uploads/1/3/0/8/130813799/5012aca04fe1fd.pdf
    • http://tacomameditationcenter.com/uploads/1/3/0/7/130776346/xibinekitowoxobawun.pdf
    • http://thedailydelillo.com/uploads/1/3/0/8/130813852/6fbf10ec6.pdf
    • http://amywhitaker.me/uploads/1/3/0/2/130289211/659708f0.pdf
    • http://f6mca.slpny.com/uploads/1/3/0/5/130540118/130540118.html#sittin+on+the+dock+of+the+bay+karaoke+version

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001f0e.bin
3158a1e9e2e2c15bc432635383a22ae3616396ffd60f52b1f7317780d526b461		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1F0E 7756 bytes

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