Malicious PDF — malware analysis report

Static analysis result for SHA-256 ffcd0a245cdcb777…

MALICIOUS

PDF

38.4 KB Created: 2020-06-03 05:15:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3d4334b973de2defed746ebea44c2610 SHA-1: 705f47bc95c9ab8fe3875b44129c436bc329585e SHA-256: ffcd0a245cdcb77772ca0ada8b1d2b4ab8f17ec09f2374e8e4c37daa6e116860
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though heavily obfuscated, contains references to 'exp farming' and includes numerous URLs pointing to various domains. This suggests the primary purpose is to redirect users to a large number of external sites, likely for SEO manipulation or to serve as a gateway to malicious content.

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://griffandjones.com/uploads/1/3/0/9/130969331/130969331.html#ffxv+exp+farming
    • http://ryanarmitage.com/uploads/1/3/0/2/130288753/xakawikiz.pdf
    • http://ladecourtcars.com/uploads/1/3/0/6/130604833/4633635.pdf
    • http://cpanel.inthecartheplay.com/uploads/1/3/1/8/131856954/vujujeniremedugifota.pdf
    • http://terrifyinggrace.com/uploads/1/3/0/5/130590637/5436494.pdf
    • http://griffandjones.com/uploads/1/3/0/9/130969331/terms.html
    • http://griffandjones.com/uploads/1/3/0/9/130969331/dmca.html
    • http://griffandjones.com/uploads/1/3/0/9/130969331/policy.html
    • https://lavasotesug.files.wordpress.com/2020/05/kojepanamu.pdf
    • https://fumupidix.files.wordpress.com/2020/05/34298237896.pdf
    • https://dameniv.files.wordpress.com/2020/05/subutuvupejeb.pdf
    • https://gefujonusa.files.wordpress.com/2020/05/xubemilekakopisijoxinig.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_off0000684e.bin
0a17706516c8f2a3280c32e60ab48666ea2c52534f374c5eb6e071c297d76140		 pdf-font-stream PDF embedded font (sfnt) at offset 0x684E 11076 bytes

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