Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f56e765e808835a…

MALICIOUS

PDF

42.1 KB Authoring application: SWFTools
MD5: ce23ffa7493d226c1de59fb89eb3d4d9 SHA-1: 5303b1d269cba43379eb01d054672a5d2a0c4488 SHA-256: 1f56e765e808835ad089de1f0387224f1aa65ddfc35ca19cb09bf63955f1cdaa
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, a technique commonly used for SEO spam or to direct users to malicious websites. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent. The primary function appears to be redirecting users to a network of linked domains.

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://blingamabobs.com/uploads/1/3/0/2/130287285/depemijajudotigajiw.pdf
    • http://befois.com/uploads/1/3/0/7/130740401/c548649e.pdf
    • http://bridgecrowd.com/uploads/1/3/0/3/130379743/nepamimewibofeze.pdf
    • http://newborntaxidermy.com/uploads/1/3/0/6/130621673/morumakireligi_vosopesanutufin.pdf
    • http://approachableworld.com/uploads/1/3/0/4/130476586/merowis.pdf
    • http://miranda-bewindvoering.nl/uploads/1/3/0/3/130379475/lenimodo.pdf
    • http://moonmagick.ca/uploads/1/3/0/6/130620547/f65fe7b643c.pdf
    • http://jukesbar.net/uploads/1/3/0/6/130604933/7edcc.pdf
    • http://djspizza1.com/uploads/1/3/0/4/130483236/130483236.html#parasympathetic+nervous+system+response+to+shock

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001393.bin
015e7c3412b9c2b99b0b52118c125846a5cdceee9ad2ad57ebf8092bd9250dab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1393 8024 bytes
font_01_sfnt_off00005ee2.bin
4b5083c75521d864f7c842ebe1f07f8baaed8ffa39c7fd1b85bf456df7ed8636		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EE2 6380 bytes

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