Malicious PDF — malware analysis report

Static analysis result for SHA-256 a20b7e6c54b0eccc…

MALICIOUS

PDF

59.3 KB Created: 2020-06-08 07:57:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4716f8c47b1c002bdbd9fe64c1c38857 SHA-1: 0c652cae7cef1598ea956907bbe5c2aa68aa3a35 SHA-256: a20b7e6c54b0eccc9407f3b36241b4fccc1813a571fc5f3ee17548a79192d5d5
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or distribution mechanism. The embedded URL also points to an HTML file, further supporting the link farm hypothesis. 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://kometaniassociates.com/uploads/1/3/1/3/131383726/131383726.html#bhakti+gana+bhojpuri+2018
    • http://mail.vanvliet-kassenbouw.nl/uploads/1/3/1/4/131437491/256196.pdf
    • http://elevateeventdesign.com/uploads/1/3/0/6/130621784/dudibolesuxenejap.pdf
    • http://blovedbrows.com/uploads/1/3/0/3/130379509/758049.pdf
    • http://mta-sts.mail.headphonerepairhouse.com/uploads/1/3/0/8/130814980/631b25e4ea.pdf
    • http://karen-duffield-remedial-massage.com.au/uploads/1/3/1/4/131453837/kebirisij.pdf
    • http://mobilefix.org/uploads/1/3/0/7/130739381/togafa.pdf
    • http://cpt-you-are-not-alone.com/uploads/1/3/0/6/130620948/8005417.pdf
    • http://jogabonitofutsalsoccer.com/uploads/1/3/0/4/130492038/a80d09ac0591f8.pdf
    • http://rent2own.today/uploads/1/3/0/6/130604388/7889858.pdf
    • http://kindsugar.com/uploads/1/3/1/3/131384602/lolexigebikup.pdf
    • http://cpanel.komfortplastvarna.com/uploads/1/3/0/6/130605421/bazelotorer-buvusoki-bovesok-tijukotodeseji.pdf
    • http://xiajh.org/uploads/1/3/0/6/130639552/3573063.pdf
    • http://el006.elrepco.com/uploads/1/3/0/5/130539800/pozirekinatupip.pdf
    • http://cpanel.smithtaekwondo.com/uploads/1/3/0/6/130621703/337779.pdf
    • https://dabujekikun
    • https://dabujekikun.files.wordpress.com/2020/06/53029314311.pdf
    • https://motonukem.files.wordpress.com/2020/06/vujipudam.pdf
    • https://linutinoruso.files.wordpress.com/2020/06/58404652288.pdf
    • https://xedolezi.files.wordpress.com/2020/06/8445218209.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_off0000bea7.bin
3d514e507821a436fe6b95cfea299aa3d7485fcf3ecccd3ad35e0624aceb4849		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBEA7 10032 bytes

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