Malicious PDF — malware analysis report

Static analysis result for SHA-256 747b9fff7482bf01…

MALICIOUS

PDF

36.9 KB Authoring application: OpenOffice Draw
MD5: 2d10374db816d79acaa9f284919e405a SHA-1: 9bfd0628fb27b338e98fbc015e2ac921c4c901ec SHA-256: 747b9fff7482bf01c03096cff225638e371d54eaf7219e11887316cf69da1394
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO spam or to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a phishing or content distribution attack vector.

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://bnaiisraelnc.com/uploads/1/3/0/8/130873976/5b0d3c8f61.pdf
    • http://dennismodafferi.com/uploads/1/3/0/3/130379381/891897.pdf
    • http://mosfitness.net/uploads/1/3/0/3/130313148/b1d396d6.pdf
    • http://sugarpie.mobi/uploads/1/3/0/5/130590507/duvidina-newutul-birilemuwuxosu.pdf
    • http://epiccodingmusic.com/uploads/1/3/0/2/130291415/9190431.pdf
    • http://cityofkawarthalakesrealty.ca/uploads/1/3/0/6/130621048/timopuradoka_zosumunebezifis.pdf
    • http://www.dmdesignwsussex.com/uploads/1/3/0/7/130739256/fitawofi.pdf
    • http://redteam3.net/uploads/1/3/0/5/130539072/8382444.pdf
    • http://musicoterapias.com/uploads/1/3/0/2/130287238/431ccbb178aef.pdf
    • http://leftproject.org/uploads/1/3/0/6/130621100/wulenemovetum_tetiwam_lenezobotigogo.pdf
    • http://tobegenz.com/uploads/1/3/0/6/130639946/0d05c.pdf
    • http://2apples2oranges.net/uploads/1/3/0/5/130546543/e1d46a62b8002ba.pdf
    • http://diradevelopments.com/uploads/1/3/0/6/130603983/4625066.pdf
    • http://www.beccablogging.co.uk/uploads/1/3/0/5/130589002/zupus.pdf
    • http://opencirclehapkido.net/uploads/1/3/0/9/130968956/9952358.pdf
    • http://consultoriasrojas.com/uploads/1/3/0/7/130739128/566088.pdf
    • http://susansgardenminipigs.com/uploads/1/3/0/4/130478210/2560042.pdf
    • http://downsmassage.com/uploads/1/3/0/4/130477110/4580911.pdf
    • http://blackgypsymamawagon.net/uploads/1/3/0/5/130551126/2300053.pdf
    • http://test.ladse.org/uploads/1/3/0/7/130775195/130775195.html#names+of+essential+and+nonessential+amino+acids

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030d0.bin
fbdc3eeac16a793065227e24590ef75e6c4ada087aeae6f416f19abf39efcc85		 pdf-font-stream PDF embedded font (sfnt) at offset 0x30D0 8196 bytes

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