Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d902d33d7f247aa…

MALICIOUS

PDF

38.5 KB Created: 2020-04-11 00:52:12 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 9bc9f57336dce030982081f2a77d156a SHA-1: 61107f59d3f5020975190ed6346bac821f7fc627 SHA-256: 8d902d33d7f247aa7f632345123aeeba1ae48596b429ed2d7af9556ef969b25e
92 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are numerically or generically named, suggesting a link farm or SEO spam tactic. The document body, though heavily obfuscated, contains a URL that appears to be a lure for watching a movie online. This indicates the primary goal is to redirect users to potentially malicious websites.

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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://lennoxweb.com/uploads/1/3/0/5/130589098/130589098.html#kingdom+of+heaven+full+movie+in+hindi+watch+online
    • http://hemostop.net/uploads/1/3/0/8/130813118/nazikesivo-solujiro-rulukozidi-vinavo.pdf
    • http://itsmconsulting.org/uploads/1/3/1/3/131383708/ridapolusajovabumoz.pdf
    • http://jkseamlessgutterinstallers.com/uploads/1/3/0/6/130639107/ruluwu.pdf
    • http://solanabonusprogram.com/uploads/1/3/0/5/130541817/wejabuwuwum.pdf
    • http://uniyearbookus.com/uploads/1/3/0/2/130289294/fitigetuvudaronat.pdf
    • http://shontayeleonard.com/uploads/1/3/0/2/130289503/697393.pdf
    • http://carwashforkids.com/uploads/1/3/1/4/131408849/zajogolumavozobed.pdf
    • http://traveleverywherewithellisa.com/uploads/1/3/1/4/131408142/vojulonaxexidat_vitozatejasiv.pdf
    • http://plussizeweddingdressesny.com/uploads/1/3/0/6/130603741/21be995e2592.pdf
    • http://gemehi.com/uploads/1/3/0/7/130775271/5206ae267d.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000585d.bin
98f076d9c0c39c32b30597150f99f094271e4a1d796f563369fc7894661e3b23		 pdf-font-stream PDF embedded font (sfnt) at offset 0x585D 8244 bytes
font_01_sfnt_off00007849.bin
f6fcf0cdec751ea1629ffc2ecf05c2f5b1be0e4f00d64635cbf782ead8006978		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7849 16120 bytes

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