Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0e2b5afe8a82585…

MALICIOUS

PDF

36.1 KB Created: 2020-06-06 14:52:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7ffaf47c2d49de5240bc9449c1c4411c SHA-1: dd533aa9038d87a3029f3cc1967a9e4f83a88150 SHA-256: e0e2b5afe8a82585fe2f9ef91802df73958a678d7174d02dc0f846a9aebf0cea
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 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 text that appears to be a lure related to 'Tony Buzan'. The primary function seems to be directing users to a vast array of external PDF files hosted on numerous domains, potentially for SEO spam or to distribute further malicious content. No scripts were extracted from this sample.

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://mx.wheresthefunny.net/uploads/1/3/1/4/131437806/131437806.html#tony+buzan+h%25C4%25B1zl%25C4%25B1+okuma
    • http://skateboard.fsv-inningen.de/uploads/1/3/0/7/130739140/jekevuno.pdf
    • http://greenwavecyprus.com/uploads/1/3/0/5/130539553/lezaxejewaleg.pdf
    • http://ashtonsmart.com/uploads/1/3/0/7/130740363/4400304.pdf
    • http://ellipsisbehavior.com/uploads/1/3/0/4/130489222/5024382.pdf
    • http://skratchnsnif.shop/uploads/1/3/0/3/130324289/wabopan-vetibupe-xuselabekutatax-jogulurineniv.pdf
    • http://giaarts.com/uploads/1/3/0/7/130775372/6700997.pdf
    • http://velvetbathtime.com/uploads/1/3/0/6/130620290/tafup.pdf
    • http://mx.wheresthefunny.net/uploads/1/3/1/4/131437806/terms.html
    • http://mx.wheresthefunny.net/uploads/1/3/1/4/131437806/dmca.html
    • http://mx.wheresthefunny.net/uploads/1/3/1/4/131437806/policy.html
    • http://fasttraxcg.square.site/uploads/1/3/0/4/130476733/2c84f.pdf
    • https://luzekopozir655205347.files.wordpress.com/2020/06/24736416118.pdf
    • https://laxanob.files.wordpress.com/2020/06/63071697788.pdf
    • https://satugovanuw.files.wordpress.com/2020/06/guxupoloxubod.pdf
    • https://zexizuzog.files.wordpress.com/2020/06/3016612881.pdf
    • https://kuzelelete.files.wordpress.com/2020/06/84692431981.pdf
    • https://zebuvepex.files.wordpress.com/2020/06/giletixaje.pdf
    • https://bodukaf.files.wordpress.com/2020/06/7175143757.pdf
    • https://lejovefu.files.wordpress.com/2020/06/26009332132.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_off00006033.bin
bde9c3b47cad7f66ba580cab0101cae4a13f193d515e25ecdd6d2eb0071ad83e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6033 11088 bytes

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