Malicious PDF — malware analysis report

Static analysis result for SHA-256 f36d33f3f953fee2…

MALICIOUS

PDF

41.2 KB Created: 2020-05-14 13:13:39 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 916e40e189742a21a8c0a99853193241 SHA-1: 31a0ed33017c4bca13b8c617ae7e08f85de3a33f SHA-256: f36d33f3f953fee2e4378efc51bfcd5e608be3871f45627a08fdfad5604414fd
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 a similar structure. No scripts were extracted from this sample, limiting the ability to determine further malicious actions.

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://southcoastgourmetgifts.com/uploads/1/3/0/2/130273790/130273790.html#medieval+2+total+war+russia+guide
    • http://melindachao.com/uploads/1/3/1/0/131070476/56491.pdf
    • http://purewellnessfootspa.com/uploads/1/3/0/8/130874247/cbb45da1c9fe7.pdf
    • http://opentoextraordinary.com/uploads/1/3/0/4/130436078/5059191.pdf
    • http://28th-avenueco.com/uploads/1/3/0/5/130589238/3900604.pdf
    • http://doroeng.com/uploads/1/3/1/4/131453943/bovagojad.pdf
    • http://myphotographybyjess.com/uploads/1/3/0/7/130739544/9069709.pdf
    • http://changemakerstn.org/uploads/1/3/0/2/130272344/lamoramogejijuru.pdf
    • http://consignconsulting.com/uploads/1/3/0/6/130620326/xogidatunul.pdf
    • http://emitminimarket.com/uploads/1/3/0/7/130775965/vorufo.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_off00007147.bin
c8f9103f35d43183044ab5a4c3666f557fb1d64843954b7f9d67e0aea61109a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7147 12612 bytes

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