Malicious PDF — malware analysis report

Static analysis result for SHA-256 e34bbe9fdf7898e8…

MALICIOUS

PDF

34.5 KB Created: 2020-03-30 01:56:14 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8455d3b2894fa92c6fa69cdfb5fccc97 SHA-1: 242393a4a672336d6d212b662e31be45d0e92e66 SHA-256: e34bbe9fdf7898e8f2f38f86409e083ca6be4a3474032bafb0d89af1ed263ecb
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are numerically or generically named, suggesting a link farm or SEO poisoning tactic. The document body mentions 'Craftsman mower repair manual', which is likely a lure to direct users to the malicious URLs. The primary URL identified is http://74-123-76-23.mgwnet.com/uploads/1/3/0/5/130539107/130539107.html#craftsman+mower+repair+manual, which likely serves as the initial landing page for the attack.

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://74-123-76-23.mgwnet.com/uploads/1/3/0/5/130539107/130539107.html#craftsman+mower+repair+manual
    • http://vocalsport.com/uploads/1/3/0/6/130604532/251b088ed783143.pdf
    • http://eventsinmower.com/uploads/1/3/0/5/130588206/loderivujutukotatam.pdf
    • http://chiefleadsofficer.com/uploads/1/3/0/7/130775841/susigevuxugifog_tumefakujeki_jelez.pdf
    • http://paramountcare.com/uploads/1/3/0/4/130483939/fepudobiri-gopemonuxinu-pagezare-popopevi.pdf
    • http://dckines.com/uploads/1/3/0/6/130639647/wejumaz_lozasusa_vowaxa.pdf
    • http://chasahhospitality.com/uploads/1/3/0/2/130291623/savimalupega.pdf
    • http://martamarta.co/uploads/1/3/0/3/130313358/5f489a09be1476.pdf
    • http://treeservicemoncton.com/uploads/1/3/0/3/130323415/nakamos.pdf
    • http://equalopportunitiesllc.com/uploads/1/3/0/5/130590724/kusorozadiliw.pdf
    • http://www.enrichmusic.studio/uploads/1/3/1/4/131408027/5914778.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_off00005d68.bin
ba932ce44517d972c8f3e22f630163b229a14da93cb58aa3433d9cefbb3182a1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D68 8336 bytes

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