Malicious PDF — malware analysis report

Static analysis result for SHA-256 052c3aeb269a34f8…

MALICIOUS

PDF

45.3 KB Authoring application: Inkscape
MD5: f1fcdf0391e9f43386548b06ddcd18c9 SHA-1: 6aa5dddb4129787a0dfc2045167770274a62b2b6 SHA-256: 052c3aeb269a34f8ef19673cceb4c255baf5395d324cce39b675c49ec5b0e13a
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection and ML classifier also flag this file as malicious, specifically as a phishing or traffic redirection tool. The embedded URLs likely lead to further malicious content or phishing pages.

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://morrisoncohentherapy.com/uploads/1/3/0/2/130271143/forodu-tibep-zosowopa-neveginaxo.pdf
    • http://awazetour.com/uploads/1/3/0/7/130776852/zixobonefi.pdf
    • http://baakboutique.com/uploads/1/3/0/4/130435753/5766221.pdf
    • http://vanhapostitalo.com/uploads/1/3/0/5/130543877/texunele_soxaxaxewarudul_sizadanuwidoz_kilutazamusuvu.pdf
    • http://www.riprendiilmioaccount.com/uploads/1/3/0/7/130775998/sujawixigap_ripuwilurig.pdf
    • http://camposdeprovence.com/uploads/1/3/0/6/130620669/7ce043423319c9.pdf
    • http://soundnotion.tv/uploads/1/3/0/6/130621995/6ea696356d5.pdf
    • http://rooftopmissions.com/uploads/1/3/0/4/130435589/nasezajoxa.pdf
    • http://ghastlymonstrosities.com/uploads/1/3/0/3/130312965/fobeximujidadeg.pdf
    • http://scottbrownconsults.com/uploads/1/3/0/7/130739167/3192554.pdf
    • http://mirrorpayroll.net/uploads/1/3/0/7/130739038/6940378.pdf
    • http://somersetfoodtrail.org/uploads/1/3/0/4/130489226/130489226.html#rhizobium+radiobacter+gram+stain
    • 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_off0000404c.bin
b3affdfdfee497c2d3230853582529cf395d265bfdbb8cde7d84ae9c33602211		 pdf-font-stream PDF embedded font (sfnt) at offset 0x404C 16036 bytes
font_01_sfnt_off0000580f.bin
ba60e0ab531a9efddc56f9df2a891e32a8278db06d8485b8d9b03f194c502996		 pdf-font-stream PDF embedded font (sfnt) at offset 0x580F 9124 bytes

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