Malicious PDF — malware analysis report

Static analysis result for SHA-256 40af3f4e48b4b8bf…

MALICIOUS

PDF

38.7 KB Authoring application: OpenOffice Draw
MD5: 272e981dd18c85fe35ef2420d0dfb1e5 SHA-1: 6a1a07aef4a40923b61d30738d6c013a97f687eb SHA-256: 40af3f4e48b4b8bfcc994d73a58f7b7fe00e06def4d93cb5847ada76842a7acf
152 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a technique commonly used for SEO poisoning or phishing. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent. The embedded URLs likely lead to further malicious content or phishing pages.

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://nexus.ph/uploads/1/3/0/3/130379517/9ac51.pdf
    • http://popculturecon.org/uploads/1/3/0/6/130604815/nurijesomi.pdf
    • http://mountvistapersians.com/uploads/1/3/0/7/130738949/3267184.pdf
    • http://amyshadeco.com/uploads/1/3/0/3/130323511/6298241.pdf
    • http://mediacoverage.biz/uploads/1/3/0/4/130483331/f85acdb536.pdf
    • http://mirasana.com/uploads/1/3/0/4/130483341/2041644.pdf
    • http://ressource-therapie.com/uploads/1/3/0/4/130436173/14b313a581.pdf
    • http://globalwaronchristmas.com/uploads/1/3/0/3/130323222/278247.pdf
    • http://romelocaltourguides.com/uploads/1/3/0/5/130588627/f2cc27b.pdf
    • http://beagleboxer.com/uploads/1/3/0/2/130291971/rikemow-vajiguzusa-sisemisu.pdf
    • http://qui.social/uploads/1/3/0/5/130588651/1823846.pdf
    • http://ehrbutton.com/uploads/1/3/0/4/130489475/452949df35.pdf
    • http://kylaconner.com/uploads/1/3/0/4/130476395/130476395.html#obstructive+sleep+apnea+syndrome+define

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000040f0.bin
3933e6de07ecbea873894849e5d99112dac13ceecc695f7a8058f0d834e92917		 pdf-font-stream PDF embedded font (sfnt) at offset 0x40F0 7516 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.