Malicious PDF — malware analysis report

Static analysis result for SHA-256 649dd8796186f5b9…

MALICIOUS

PDF

35.6 KB Authoring application: pstoedit
MD5: 09168fe56f1643aa3687096c77967bc5 SHA-1: cccafbdc158d79142e4c01ef6a8fcee2e267b6e6 SHA-256: 649dd8796186f5b9b2707603d8ae6939552e1d4f648c9772340f7b5b09135c81
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics, including a critical PDF_SEO_LINK_FARM rule and ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0. The document contains a large number of embedded URLs, suggesting it is designed to redirect users to malicious sites. While no scripts were explicitly extracted, the presence of numerous external links points towards a phishing or malware distribution attempt.

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://motherimpartofthesky.com/uploads/1/3/0/6/130604554/lewejapoz.pdf
    • http://myotherapyservices.org/uploads/1/3/0/6/130605275/5d7dcd.pdf
    • http://arcc06quebecmetropolitain.com/uploads/1/3/0/7/130739553/f6f2c6de38800.pdf
    • http://buylegalservices.com/uploads/1/3/0/5/130550986/rewemidujane-wilawu.pdf
    • http://microbubblemaker.com/uploads/1/3/0/4/130475955/1430200.pdf
    • http://verifiedworkready.com/uploads/1/3/0/5/130546803/gaveluw_vatijiredi_tozanoxe_vurunabix.pdf
    • http://knowntobefalse.com/uploads/1/3/0/6/130605406/6801189.pdf
    • http://miguelchanonafotografo.com/uploads/1/3/0/5/130551898/vapitag.pdf
    • http://mdl-scholing.nl/uploads/1/3/0/6/130639578/6527311.pdf
    • http://angelbat.com/uploads/1/3/0/7/130775558/fuzesavikape-lodeli-rukigakawema-pimuponupitir.pdf
    • http://iabtm.com/uploads/1/3/0/4/130483279/7305734.pdf
    • http://youngcitizensclub.com/uploads/1/3/0/7/130775704/37690425ba8.pdf
    • http://mrlapta.com/uploads/1/3/0/6/130640162/fatisalid.pdf
    • http://www.greenblackdress.com/uploads/1/3/0/2/130291696/130291696.html#oxy+acetylene+regulator+gauges

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033b2.bin
1f67e625d79e39d0e7f5b4a1ff0d71d0f75ad7da8b40bf74356f160e294d11e2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x33B2 7328 bytes

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