Malicious PDF — malware analysis report

Static analysis result for SHA-256 f4b67cea768da37c…

MALICIOUS

PDF

34.8 KB Authoring application: Poppler-utils
MD5: 010813c57cdea27a417261c791f6a6bf SHA-1: 9fe39692ee741838c14ee513aea60029b7b36ed8 SHA-256: f4b67cea768da37cdfb805d244f5c83f5503f2469ca22a26b908f6b1bf7850b8
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical finding for a large external link farm. The embedded URLs, such as http://pixelpush.net/uploads/1/3/0/7/130776420/watuzakovezoxaf-xuzalijimaw.pdf, suggest a phishing or malware distribution attempt. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports this assessment.

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://pixelpush.net/uploads/1/3/0/7/130776420/watuzakovezoxaf-xuzalijimaw.pdf
    • http://danielle-shelton.com/uploads/1/3/0/6/130640078/439954.pdf
    • http://detailinggreensboro.com/uploads/1/3/0/3/130323110/d909bb2c48.pdf
    • http://www.vishalupadhyay.com/uploads/1/3/0/7/130775868/zimozuvilejewu.pdf
    • http://www.wythelove.com/uploads/1/3/0/2/130289428/4539061.pdf
    • http://sheworks2.com/uploads/1/3/0/8/130813961/abbd80eb68b.pdf
    • http://airporthistory.net/uploads/1/3/0/3/130323127/pexobedenosowi-ninirevadiv.pdf
    • http://aascustomjeep.com/uploads/1/3/0/3/130313426/ziruradobuza_dajonivefolun_febid.pdf
    • http://suatborazan.net/uploads/1/3/0/5/130546343/wopovurejuzisake.pdf
    • http://renova-skin.com/uploads/1/3/0/6/130621394/wesaju.pdf
    • http://bism4.com/uploads/1/3/0/9/130969728/muzesinoruvubu.pdf
    • http://ineedexercise.com/uploads/1/3/0/6/130620482/b1c3fdf27.pdf
    • http://mrboldt.com/uploads/1/3/0/6/130604549/144a4ec27660.pdf
    • http://4pxt5.bpmtc.com/uploads/1/3/0/4/130483626/130483626.html#pleural+effusion+due+to+right+heart+failure

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fe7.bin
489d80bd8038c55eb93c3fd56e10bb2ce72babe70e4e9f8fd8f922a773371fdf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2FE7 7624 bytes

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