Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a0d710713dfd982…

MALICIOUS

PDF

30.2 KB Authoring application: Serif PagePlus
MD5: 05a775b56772d8d555264e45f472d974 SHA-1: 3519a60074de507388712c812bfeadbe33f3d8f2 SHA-256: 6a0d710713dfd98210249250cde2a15b2ddb021ec66aa7192476cabfb1ddb835
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains a large number of external links, disguised as product advertisements for 'New balance compression socks', which is a common lure for phishing or malware distribution. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent. The embedded URLs 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://callihanenglish.com/uploads/1/3/0/6/130640126/nidebematozufok.pdf
    • http://89cougars30th.com/uploads/1/3/0/6/130640104/6024719.pdf
    • http://octorock.net/uploads/1/3/0/4/130490155/tarevakudelanimefuj.pdf
    • http://sydney-boone.com/uploads/1/3/0/3/130379204/sesipodosalon_toseleki_garisudakesolet_kitatobob.pdf
    • http://bitcointracks.com/uploads/1/3/0/2/130273576/majovofatolowoj.pdf
    • http://michaelaaftonjones.com/uploads/1/3/0/6/130639347/4331595.pdf
    • http://teshekpuklake.com/uploads/1/3/0/6/130604903/devoduxef.pdf
    • http://bayarea-interactivehypnotherapy.org/uploads/1/3/0/3/130313161/130313161.html#new+balance+compression+socks

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001130.bin
8cf705eb22c718df04634f141089d7fb7cdec42cbb8494c3f8076de1a02869c5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1130 8444 bytes

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