Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a2ca12e19f43adb…

MALICIOUS

PDF

33.5 KB Created: 2020-04-04 15:00:05 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7271deadb7b99c7b287abdd9c1383158 SHA-1: f5c23f48fa52a4e4fe9debfe12c702a7005aed53 SHA-256: 2a2ca12e19f43adba94ed9d833573898d493af76815c3c7a000860384f6d5158
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO spam operation. The embedded URLs are likely used to distribute malicious content or lead users to phishing sites. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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://purerockcolours.eu/uploads/1/3/1/4/131406520/131406520.html#dark+souls+3+manual+aim+crossbow
    • http://lamas.digital/uploads/1/3/1/4/131438175/70905f70ce4f4.pdf
    • http://ladatcha.org/uploads/1/3/0/6/130604547/jewuburamo_novigawikewemod.pdf
    • http://jennymariesouto.com/uploads/1/3/0/2/130289570/mijikofevesoji.pdf
    • http://thegatesmillsgardenclub.org/uploads/1/3/0/2/130288761/3877025.pdf
    • http://holycrossfamilies.org/uploads/1/3/0/7/130775045/3433997.pdf
    • http://citizenimmigrant.com/uploads/1/3/1/4/131408241/6280169.pdf
    • http://avtpl.com/uploads/1/3/0/7/130739628/wamuwowina.pdf
    • http://elevateeventdesign.com/uploads/1/3/0/3/130313249/0df55c918c4f187.pdf
    • http://asccomplianceready.com/uploads/1/3/0/7/130738528/1b7f99.pdf
    • http://mrfleischer.com/uploads/1/3/1/4/131407365/nenuloru.pdf
    • http://seannxenja.com/uploads/1/3/0/7/130775342/38e58fd7f8.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_off00005996.bin
e6426a2df65e95e950dcf7c3df8d0bd9d9dfea3cb8715a1318143bf76817bb4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5996 7784 bytes

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