Malicious PDF — malware analysis report

Static analysis result for SHA-256 073e3e9671304782…

MALICIOUS

PDF

52.2 KB Authoring application: Soda PDF
MD5: d973a393fe9bbb62c1e7558b53e50797 SHA-1: 59ab50c3abb2c39d1b3d4e9c1929d0f9d84d852c SHA-256: 073e3e967130478243e711e5083b5355b9844a995eb9eaf9450856fb9d2e32c4
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, forming a link farm, which is a common tactic for SEO manipulation and distributing malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. The embedded URLs are the primary indicators of compromise, suggesting a redirection to further malicious sites.

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://preview.gordonjames.net/uploads/1/3/0/6/130620494/3193d1.pdf
    • http://kitehillcampaign.com/uploads/1/3/0/6/130604551/9667756.pdf
    • http://kristamalia.com/uploads/1/3/0/4/130476657/vixosowava.pdf
    • http://cubiocloud.com/uploads/1/3/0/4/130488754/sidaxivowiro-katoseriwome.pdf
    • http://jzia.com/uploads/1/3/0/4/130435516/pekobegaromowumin.pdf
    • http://north42sales.ca/uploads/1/3/0/4/130436252/tilawu_fojivezapafidi_xeribolurel.pdf
    • http://agentflamingo.com/uploads/1/3/0/6/130639110/kotizotejonetik.pdf
    • http://casadelvalleygalindo.com/uploads/1/3/0/5/130539979/rekeweronetilo.pdf
    • http://thetrixxband.com/uploads/1/3/0/3/130313746/tolakuvukux.pdf
    • http://hostmaster.locarnobiancoblu.ch/uploads/1/3/0/2/130274091/gemirimerulil.pdf
    • http://digi-done.com/uploads/1/3/0/5/130539448/viximajibula_vamuvere_lilunutafux.pdf
    • http://sidemountainspecialtyfoods.com/uploads/1/3/0/7/130739120/moxip-rawusewo-vetugi-nuvixe.pdf
    • http://superproproductions.com/uploads/1/3/0/3/130312924/e6415e819.pdf
    • http://truenorthchaga.com/uploads/1/3/0/7/130739852/04e932.pdf
    • http://ry4wn.bpmtc.com/uploads/1/3/0/6/130620666/130620666.html#how+to+gain+weight+for+skinny+guys+at+home
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicense

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000065f1.bin
d907c570f1f8f2d62f38d7529dbf77de46ca3a1917ec53aca7a78bae59874b04		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65F1 2616 bytes
font_01_sfnt_off000071c2.bin
5fa7552956c2bf03a7f72cc6456a1cd78d9ae79bf5da92a4673a3df1b78ce9ec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71C2 8264 bytes

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