Malicious PDF — malware analysis report

Static analysis result for SHA-256 03b6c7fe903d925c…

MALICIOUS

PDF

39.7 KB Authoring application: PDFBox
MD5: 545524d09548f5cc32dbb1f7d0e5b221 SHA-1: e7c14f00ef32485a14725b59ee213443b7272165 SHA-256: 03b6c7fe903d925ca7ce9f46e2369000433b7fb5e7a1e5bc98525113df80d54c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV also flagged this file as malicious, with ClamAV specifically identifying it as 'Pdf.Phishing.TtraffRobotInstall'. The embedded URLs suggest a phishing or content distribution campaign, potentially aiming to redirect users to malicious sites or download further payloads.

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://bea4media.com/uploads/1/3/0/5/130550901/8865483.pdf
    • http://swimprofessionals.co.nz/uploads/1/3/0/7/130740190/wirix.pdf
    • http://nationalchristmasgreetings.com/uploads/1/3/0/8/130874101/47ff065cc2.pdf
    • http://www.tidytaxtools.com/uploads/1/3/0/4/130489530/fokidatetuzez-pujixup-vimixesaja-kajewusi.pdf
    • http://hostmaster.livinge.co.uk/uploads/1/3/0/5/130589249/789337.pdf
    • http://ekamniearth.com/uploads/1/3/0/4/130476672/d594526762f4d2.pdf
    • http://simonheptinstall.com/uploads/1/3/0/6/130640053/328313.pdf
    • http://amityschuyler.com/uploads/1/3/0/3/130313466/db9b3.pdf
    • http://andrealynnunger.com/uploads/1/3/0/6/130639199/loxenuti.pdf
    • http://ourpsychosis.com/uploads/1/3/0/5/130546283/36c93.pdf
    • http://ketokweens.com/uploads/1/3/0/4/130478868/f8ae7582099e3cf.pdf
    • http://kitsuneraposa.com/uploads/1/3/0/3/130312991/c195efc1774800c.pdf
    • http://wadsworthpersonalinjury.com/uploads/1/3/0/7/130739525/naxakuma_nupoboxife_fobisufeve_gumuvemokoraxoj.pdf
    • http://elliotfisher.com/uploads/1/3/0/7/130775629/02502cc257830a.pdf
    • http://3doorsnowalls.com/uploads/1/3/0/4/130488157/555562.pdf
    • http://42hillcrest.com/uploads/1/3/0/6/130604798/ed8d1d497204f.pdf
    • http://wcd-nsu4m7p8.mgh-r.ch/uploads/1/3/0/5/130550762/130550762.html#caracteristicas+del+tratado+de+libre+comercio+mexico+union+europea

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000408b.bin
886a206f6a07f01f29d7509f3c9303d2115ae01a515984e49b615b45f64ce6a7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x408B 8048 bytes

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