Malicious PDF — malware analysis report

Static analysis result for SHA-256 57e13c772c15ee0e…

MALICIOUS

PDF

53.6 KB Created: 2020-04-14 20:05:06 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8e50132ee2255447e467270d0f94781e SHA-1: 4050a7efadf6eebd0e57776104fc2a706a9111e1 SHA-256: 57e13c772c15ee0eb38a8fe3aedf88c7756f3f9cb80f7ad4e24412bdec5eea4b
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of embedded external links, a technique often used for SEO spam or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a potential attempt to manipulate search engine results or distribute further malware. The document body contains garbled text and a reference to a 'goatee cut out template', suggesting a lure to disguise the malicious intent.

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://youbrewchicago.com/uploads/1/3/0/7/130738550/130738550.html#goatee+cut+out+template
    • http://saraandreahoffman.com/uploads/1/3/0/2/130273843/logemol.pdf
    • http://cdmconservatories.com/uploads/1/3/1/3/131381881/josapemaxinaz_dijis_tejisugisozuta_panib.pdf
    • http://calistorevn.us/uploads/1/3/0/4/130477085/zinepozudinufu.pdf
    • http://esavvie.com/uploads/1/3/0/7/130776308/4496838.pdf
    • http://enkounterexpressions.com/uploads/1/3/0/9/130969327/3315842.pdf
    • http://miscmgmt.com/uploads/1/3/0/8/130874573/xatalokofozoriso.pdf
    • http://robstileandstone.com/uploads/1/3/0/7/130739557/eda438d84d8a0.pdf
    • http://rlsolutionsllc.com/uploads/1/3/1/3/131398417/jisonurotozuke.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_off0000a03e.bin
fb179a9a33d8a39013853f3b7e58c22cbfe75b927c3c7c6bd2f8492e06d2f5af		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA03E 8560 bytes
font_01_sfnt_off0000c0f1.bin
e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC0F1 2652 bytes

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