Malicious PDF — malware analysis report

Static analysis result for SHA-256 777699a430e68ec4…

MALICIOUS

PDF

47.5 KB Authoring application: Pdftk
MD5: 88a770a5b928e974ded886b5da8743a6 SHA-1: 5cddd9fc20aaaf4ef11bc0f9945d7748cc69eb6e SHA-256: 777699a430e68ec4e0a38b1dd35648f669c84392c54f8ac4bb59117f34b39c53
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded external links, identified as a PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV detection strongly indicate maliciousness. The embedded URLs likely serve to distribute further malicious content or engage in SEO manipulation, rather than direct user interaction.

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://alaslove.com/uploads/1/3/0/5/130589286/2118737.pdf
    • http://webpipes.net/uploads/1/3/0/5/130551777/08b088d2e17e11.pdf
    • http://radjam.org/uploads/1/3/0/6/130639641/vefoxinekokova.pdf
    • http://fitnessfullness.com/uploads/1/3/0/2/130289204/e53b6b7e0.pdf
    • http://laspromos.com/uploads/1/3/0/8/130814448/fadifeb-kuduxef.pdf
    • http://michael-montoya.com/uploads/1/3/0/7/130776368/1526649.pdf
    • http://devour-sk.com/uploads/1/3/0/4/130488698/mifovidifemugigesano.pdf
    • http://mooncliptool.com/uploads/1/3/0/3/130313105/radewifapulupof.pdf
    • http://leafandlight.net/uploads/1/3/0/3/130313346/4471779.pdf
    • http://noisomheden.com/uploads/1/3/0/7/130738859/dawodigag_segeluma_rinafubasij_muxowevu.pdf
    • http://fuck366.space/uploads/1/3/0/7/130775704/bijekugu.pdf
    • http://topendaudit.com/uploads/1/3/0/4/130435516/3767566.pdf
    • http://burningfiddleproductions.org/uploads/1/3/0/4/130476830/2321167.pdf
    • http://polarlondon.com/uploads/1/3/0/6/130639445/265279.pdf
    • http://drumvoice.org/uploads/1/3/0/8/130874237/116c7ff2a9.pdf
    • http://lakesuperiorcreates.com/uploads/1/3/0/6/130639449/6e35eff94cf.pdf
    • http://www.floorexpertslimited.com/uploads/1/3/0/4/130483961/3225810.pdf
    • http://tunedinteacher.com/uploads/1/3/0/2/130288410/kasikabobino.pdf
    • http://sales11-sip-phone.pleasingfood.com/uploads/1/3/0/6/130604644/130604644.html#foxit+reader+for+windows+7+32+bit
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003862.bin
8213497da6d87a68634f54cc9280f8ec72c46e8f1981d90f7379a85f456f3efe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3862 21036 bytes
font_01_sfnt_off0000579d.bin
36df605fdf3fd48837643d0411c818c5c0b7bd8193d3b2d07148ea134c82cb82		 pdf-font-stream PDF embedded font (sfnt) at offset 0x579D 10508 bytes

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