Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6e91b35021340f2…

MALICIOUS

PDF

38.6 KB Created: 2020-06-10 06:08:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 73f83b9f04ed3c9a9656c218187aaddd SHA-1: 8dc3805283d216314a2c9caad3814ef007875af9 SHA-256: f6e91b35021340f20ca10cfeddfd4aebee115b690d617375460676c2da30319f
62 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, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains a title related to historical alchemists and their work, suggesting a lure. The primary purpose appears to be directing users to a network of websites, likely for SEO spam or to host further malicious content, rather than direct exploitation within the PDF itself.

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://smashingas.com/uploads/1/3/0/4/130489926/130489926.html#tarihteki+%25C3%25B6nemli+simyac%25C4%25B1lar+ve+%25C3%25A7al%25C4%25B1%25C5%259Fmalar%25C4%25B1
    • http://mail.craftyrice.com/uploads/1/3/0/2/130289585/sonag-xodejilumodegik-bizixip-xizevolabux.pdf
    • http://inmaskcare.com/uploads/1/3/0/3/130312912/7277280.pdf
    • http://carterbrownusa.org/uploads/1/3/1/3/131379548/7507497.pdf
    • http://rassasymeals.com/uploads/1/3/1/4/131437561/24bd4.pdf
    • http://katieskandies.com/uploads/1/3/1/4/131452934/7973042.pdf
    • http://notarybynatasha.com/uploads/1/3/0/2/130287943/b10a2799cb2.pdf
    • https://zomoxazira.files.wordpress.com/2020/06/12534529739.pdf
    • https://bezuwovarek227136405.files.wordpress.com/2020/06/33164691150.pdf
    • https://jikekivadu.files.wordpress.com/2020/06/22426844402.pdf
    • https://xuwejurojer.files.wordpress.com/2020/06/68536792961.pdf
    • https://zifuwowa.files.wordpress.com/2020/06/57927912633.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000686d.bin
6d062fdc7ed4b40ee00e7609c4a851fb29b0cf0ab17cd2d9a546971a29b7cfbb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x686D 11548 bytes

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