Malicious PDF — malware analysis report

Static analysis result for SHA-256 149d8b9d00bf9d7e…

MALICIOUS

PDF

44.9 KB Authoring application: pstoedit
MD5: a17e8fe4449f8df93678eac87401581e SHA-1: ad42665c5a68fde52b8b149de772f8a92e29262a SHA-256: 149d8b9d00bf9d7edf25a43dfbaa0c5ebf3739df1e8307db409630618fa30904
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as 'Pdf.Phishing.TtraffRobotInstall'. The embedded URLs are the primary indicators of compromise, suggesting a phishing or traffic-generation scheme.

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://jeremyhammer.com/uploads/1/3/0/2/130287257/7661315.pdf
    • http://cmconstructiontusuenonuestrarealidad.com/uploads/1/3/0/8/130815303/7123107.pdf
    • http://morris-imports.com/uploads/1/3/0/6/130604637/b7552ea5b468391.pdf
    • http://pbellamy.net/uploads/1/3/0/8/130813965/digalolimasoj.pdf
    • http://autodiscover.maeganabel.com/uploads/1/3/0/6/130604694/5938210.pdf
    • http://pauldini.net/uploads/1/3/0/5/130550664/f159ae58.pdf
    • http://stellartrading.co/uploads/1/3/0/6/130604427/7985366.pdf
    • http://cbdcreamonline.com/uploads/1/3/0/8/130814416/ranepabog.pdf
    • http://we-are-wild-arcticdogs.com/uploads/1/3/0/6/130620813/9350305.pdf
    • http://www.katiekeenan.net/uploads/1/3/0/6/130621238/wobenijumasupim.pdf
    • http://yourstoryof.com/uploads/1/3/0/6/130604564/ad90d36c1408c.pdf
    • http://originconnection.com/uploads/1/3/0/5/130545333/juluzutimomoteg.pdf
    • http://carminarevert.xyz/uploads/1/3/0/5/130541327/4387909.pdf
    • http://holoholofuntravel.com/uploads/1/3/0/4/130476896/130476896.html#airtel+digital+tv+channel+package+list+telugu

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000055c9.bin
db9c7cfdf99fbbc137ea397503f2d0b441c404331bdea31b54ae2c3122aeb539		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55C9 8684 bytes

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