Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e0f03c9efdc6892…

MALICIOUS

PDF

33.8 KB Authoring application: ImageMagick
MD5: bbf9c33814b8260b589bc397ff2f5e1e SHA-1: cff340ccf6096c0d93f826cefd86db1b016ee7e0 SHA-256: 1e0f03c9efdc6892229e244fb7fdd65fe738e2a92992e80a04ca4eaac245e27c
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files hosted on various domains. This technique is commonly used to create link farms for phishing or to distribute further malware. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the critical heuristic 'PDF_SEO_LINK_FARM' strongly indicate malicious intent. No scripts were extracted from this sample.

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://cpanel.margaretmorrisonhighlanddance.com/uploads/1/3/0/4/130436313/2643250.pdf
    • http://medterramexico.com/uploads/1/3/0/2/130271038/8455151.pdf
    • http://ramitaleencafe.com/uploads/1/3/0/7/130775220/safomukavuxosib.pdf
    • http://cectcapecod.com/uploads/1/3/0/4/130435594/geladomof.pdf
    • http://moorereplacements.net/uploads/1/3/0/5/130551677/rasogifejukilof_popakedux_tedajupoteb_binugi.pdf
    • http://pink-halo.org/uploads/1/3/0/5/130540033/9077188.pdf
    • http://perfect-right.com/uploads/1/3/0/3/130323743/bavedamiluwak-diragebezu.pdf
    • http://dazluq.com/uploads/1/3/0/6/130621418/3388152.pdf
    • http://brigitte-puschmann-studio.com/uploads/1/3/0/4/130489080/5437386.pdf
    • http://craxncrevices.com/uploads/1/3/0/6/130621191/1390453.pdf
    • http://kleosnostos.com/uploads/1/3/0/4/130491444/f47ae37c1e.pdf
    • http://coleykimscreations.com/uploads/1/3/0/5/130589098/130589098.html#after+effects+displacement+map+ripple

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002d31.bin
72c80cf53104e76083d57fd1ad3540bf0f4e0a09f5fd127d51fcf8e40b5eba8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D31 7924 bytes

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