Malicious PDF — malware analysis report

Static analysis result for SHA-256 b54247585a9d3e0c…

MALICIOUS

PDF

33.6 KB Authoring application: Soda PDF
MD5: 15d7009ad73b2b994c908ed2df898f63 SHA-1: e2284a85829eeebeb6de3b9202558ba6c4109bed SHA-256: b54247585a9d3e0c68d8c872138b8e8de98b38f9256d98c62ccc4783b455c213
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, which is indicative of a link farm or phishing campaign. The ClamAV detection and ML classifier further support its malicious nature. The embedded links likely lead to further malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://www.mkfmetals.net/uploads/1/3/0/2/130287394/nibaji_volugorupilares_vorenafonufupep.pdf
    • http://christine-carney.com/uploads/1/3/0/6/130620657/7694385.pdf
    • http://aukstamford.com/uploads/1/3/0/2/130271098/dusaw_dikugidubaduvon_tekuxagim_begujeribuk.pdf
    • http://nycmarket.net/uploads/1/3/0/3/130379583/lifujulim.pdf
    • http://fermentedspirits.com/uploads/1/3/0/5/130551512/letifuwovetexuteto.pdf
    • http://mmdpgames.com/uploads/1/3/0/5/130540082/xazevusilaf.pdf
    • http://condodocsreview.condodocsreview.com/uploads/1/3/0/4/130476784/8b97a2a814.pdf
    • http://poachingfaqs.com/uploads/1/3/0/6/130620880/875566.pdf
    • http://lhs98.com/uploads/1/3/0/6/130621060/zipek.pdf
    • http://saratogainst.org/uploads/1/3/0/6/130620436/5717615.pdf
    • http://2onrtn.bdgct.com/uploads/1/3/0/6/130620568/130620568.html#first+and+second+conditional+british+council

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002de3.bin
5617ce28beb042e8720c61d7d1eb4e0cba5d4313ccb055d8e2f2766517575897		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2DE3 7720 bytes

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