Malicious PDF — malware analysis report

Static analysis result for SHA-256 a647374b64069c27…

MALICIOUS

PDF

34.8 KB Created: 2020-04-24 22:19:36 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 598590004b2bc764ce6f65d8dd73f519 SHA-1: cc52031ea8e7cb27da6402d7faee26d2f7009ce2 SHA-256: a647374b64069c276147efec13eb753b70be53aed73f8e03c7769cc015fdd217
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, a technique commonly used to create link farms for SEO manipulation or to redirect users to malicious sites. The PDF_SEO_LINK_FARM heuristic firing indicates this behavior. The embedded URLs point to various domains, suggesting a broad distribution effort. No scripts were extracted, limiting the analysis of direct 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://bodinenehrbascamp.org/uploads/1/3/0/6/130604617/130604617.html#new+baganiya+song+2019
    • http://tmrneb.com/uploads/1/3/1/1/131164577/relutevepolimo.pdf
    • http://netzach.ca/uploads/1/3/0/6/130604525/musof.pdf
    • http://seasprayclothing.com/uploads/1/3/0/9/130969012/6b3e2ba.pdf
    • http://howlingmoonsshepherds.com/uploads/1/3/1/0/131070846/7459386.pdf
    • http://closeteye.com/uploads/1/3/0/9/130969428/1106388.pdf
    • http://hazel.nu/uploads/1/3/0/8/130813373/3816867.pdf
    • http://stevenbruceidportfolio.com/uploads/1/3/1/4/131482874/xisenovapekomun_dadakuxufizal.pdf
    • http://exclusiveaircraftinteriors.com/uploads/1/3/0/4/130489132/e698e.pdf
    • http://mbas.shop/uploads/1/3/0/6/130620605/valetijo-tiraledugukixe-lefufowit.pdf
    • http://stevenbruceidportfolio.com/uploads/1/3/1/4/131482874/xiseno
    • 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_off00006249.bin
c08dc28f336c63f8ca439adda1c36c7be9aa171ae8a060fe95ea59f386d60826		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6249 7732 bytes

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