Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d0b58e7f585181d…

MALICIOUS

PDF

98.8 KB Created: 2020-04-06 13:09:41 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 85d81ff350d3a57b337d4ae40765f35f SHA-1: 1c27dd0177f0da09e3c169fe15e7444bc2989595 SHA-256: 1d0b58e7f585181d0c5ad93a472bee0d6f3deeb4464a25d00256be6e57fb8e4f
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links pointing to other PDF files hosted on various domains, indicating a link farm or SEO abuse tactic. The primary lure appears to be related to a 'Reseña de Romeo y Julieta resumen'. The embedded URLs suggest a campaign focused on driving traffic to these external resources, potentially for malicious purposes such as hosting further exploits or phishing 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://deliberatehealthcreation.com/uploads/1/3/0/6/130621044/130621044.html#rese%C3%B1a+de+romeo+y+julieta+resumen
    • http://65rosesnme.com/uploads/1/3/1/0/131070572/19925.pdf
    • http://melissameehan.net/uploads/1/3/1/0/131069860/e6f70c5.pdf
    • http://noblebeauty.org/uploads/1/3/1/1/131164130/f8831a.pdf
    • http://zombiebashlv.com/uploads/1/3/0/4/130478203/3869137.pdf
    • http://epic3vents.com/uploads/1/3/0/6/130620975/1700622.pdf
    • http://weikolin.com/uploads/1/3/0/4/130477775/237247.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_off00015aff.bin
e644da4bb4e1cb370bfb9f293e33ed1ba7da69233708734f367e509d3fe6a74e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15AFF 9136 bytes

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