Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cf82854dccf4199…

MALICIOUS

PDF

31.8 KB Created: 2020-04-15 14:00:21 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7a83e9a2d821ba0cad085c7d0cb87abe SHA-1: 600b5b30b73ac128aa6acff3ce7699bd14e6c088 SHA-256: 2cf82854dccf4199d4202c92df8f9fd731907f361557669023f65429327125a2
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Gather Victim Identity Information T1204 Malicious Link

The PDF file contains a large number of external links to other PDF documents hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for malicious content. No scripts were extracted, and the document body is largely unreadable, but the heuristic firings strongly suggest a malicious intent related to link manipulation and redirection.

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://thebestmanyoucanbe.com/uploads/1/3/0/7/130740087/130740087.html#adsorptive+stripping+voltammetry+pdf
    • http://masadacollegeshortstories.com/uploads/1/3/1/4/131454359/1b9879f820710e6.pdf
    • http://tmctransportes.com/uploads/1/3/0/2/130291662/e0e8f0abc89647.pdf
    • http://allthingsrolled.org/uploads/1/3/0/4/130476816/ae4e489.pdf
    • http://patriciaeducate.com/uploads/1/3/0/7/130739488/muforamuremikag.pdf
    • http://reneuca.com/uploads/1/3/1/3/131379803/parugutof.pdf
    • http://dfgtax.net/uploads/1/3/0/6/130603824/besufetovenoraf-vamono-sobasewikil-mewosasukesi.pdf
    • http://lisasheayoga.com/uploads/1/3/0/6/130622042/cab0836f1e.pdf
    • http://guttenbergrentals.com/uploads/1/3/0/7/130776177/bamesijuzaz.pdf
    • http://cookculina.com/uploads/1/3/0/4/130478067/1227316.pdf
    • http://villaup.com/uploads/1/3/1/3/131380875/5771910.pdf
    • http://marieclaired2005.com/uploads/1/3/0/4/130477979/lilijajaminifep.pdf
    • http://mjfitness247.com/uploads/1/3/0/6/130603884/55d8d.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_off0000559b.bin
eadde195eb79c66b35910e51aa7dff96e0cbc4858e928241633179ca5d627516		 pdf-font-stream PDF embedded font (sfnt) at offset 0x559B 7628 bytes

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