Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7e4010d4611831f…

MALICIOUS

PDF

31.9 KB Created: 2020-04-03 00:16:19 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7404953781be87a6218dbe04f0cbbdd2 SHA-1: 48cf6ca041cd5eee4d7b6cdbe9748f64446f16d5 SHA-256: f7e4010d4611831fe28d33b917c59ecc36f6d90bd20bc67f6ae3ca243fafa65d
62 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or a mechanism to distribute malicious content. The document body contains garbled text along with a reference to 'wd3 myworkday primark', which may be a lure. 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://mbsuccesscoaching.com/uploads/1/3/0/7/130775820/130775820.html#wd3+myworkday+primark
    • http://dm-hair-extensions.com/uploads/1/3/0/4/130476624/7525660.pdf
    • http://savonneux.com/uploads/1/3/0/8/130814423/rojiwebitinov.pdf
    • http://clintcrowleyphotography.com/uploads/1/3/0/6/130605143/6286199.pdf
    • http://memorymonitoring.org/uploads/1/3/0/7/130738929/vuranewe.pdf
    • http://greenwolfverticalfarm.com/uploads/1/3/0/3/130323219/wixeraluz.pdf
    • http://jbprotein.store/uploads/1/3/0/6/130604388/riwiterufolo-gudiligegelula.pdf
    • http://glenysrivas.com/uploads/1/3/0/5/130540040/52c56b7736.pdf
    • http://babyfreebies4moms.com/uploads/1/3/0/3/130313218/8039176.pdf
    • http://wingsnmotion.com/uploads/1/3/0/9/130969607/3338293.pdf
    • http://renasciacademyofhair.com/uploads/1/3/0/6/130621852/luxax.pdf
    • http://resolute-sf.com/uploads/1/3/0/4/130483067/xalibunibojo-vipilozunawi-gevun.pdf
    • http://ask-tamara.com/uploads/1/3/0/7/130775820/32e5a.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_off000057e3.bin
1e4e6befe522d8a2ad667ec584baf6b8f0f19a23a1fd34a8e7c0c5fc64a5b9c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57E3 6840 bytes

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