Malicious PDF — malware analysis report

Static analysis result for SHA-256 d309fa19ed3468d6…

MALICIOUS

PDF

36.9 KB Created: 2020-04-21 06:47:04 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5d3a5ddaa75f0fa7645f4c5793201b36 SHA-1: e2e88d49cec10afc7fc88fb38473b9ace504dfd8 SHA-256: d309fa19ed3468d6bdc8362c90e4d04a387183b8f0646ac99b4507d64f0d7901
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 domains, suggesting a link farm or SEO manipulation tactic. One of the embedded URIs, http://xciteeducation.com/uploads/1/3/0/6/130639236/130639236.html#analog+camera+application+for+android, is also present in the document body, reinforcing the malicious intent of directing users to external content. No scripts were extracted, limiting the analysis to the document structure and embedded links.

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://xciteeducation.com/uploads/1/3/0/6/130639236/130639236.html#analog+camera+application+for+android
    • http://reput.io/uploads/1/3/1/4/131483588/meramapane.pdf
    • http://northernnevadasecurityalliance.com/uploads/1/3/1/4/131453540/kasiroburakatani.pdf
    • http://travelersrvservice.com/uploads/1/3/0/5/130589191/4614046.pdf
    • http://pearlstreetconsulting.com/uploads/1/3/0/6/130604905/de0e4d9a0c661b.pdf
    • http://kochhospitality.com/uploads/1/3/1/0/131071076/95b74bf99be3.pdf
    • http://christianoutreachministry.net/uploads/1/3/0/3/130323437/93d90e4047e1879.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_off000067b4.bin
63e663812a34e19e9a21af149e7ea75a47cc9caa8d39fc11b20dfcd5b2335854		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67B4 7856 bytes

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