Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe753f826b41ca00…

MALICIOUS

PDF

39.1 KB Created: 2020-03-31 09:10:48 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6fbd5bb70acb7ff6245ae4a995d62106 SHA-1: 5ed2875f5eb11d39487af02cdb17400cabf73503 SHA-256: fe753f826b41ca00d6c460e5f6be5d2ff9f46126ccec075507e18d3909ca2fad
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document was generated by wkhtmltopdf and contains a large number of embedded external links. The heuristic 'PDF_SEO_LINK_FARM' indicates that the PDF is designed to host a mass of external links, likely to manipulate search engine results or to serve as a landing page for malicious content. The document body contains the phrase 'Numero atomico de los isotopos del plomo', which appears to be a lure, and also includes the primary external URL. No scripts were extracted from this sample.

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://insurewithhoward.com/uploads/1/3/0/4/130483836/130483836.html#numero+atomico+de+los+isotopos+del+plomo
    • http://trails4tailsfest.org/uploads/1/3/1/4/131452740/dunaje.pdf
    • http://dileservices.com/uploads/1/3/0/3/130313323/monelexijub.pdf
    • http://getyourcookies.org/uploads/1/3/0/3/130323199/xagewufuxipoxu.pdf
    • http://epscd.net/uploads/1/3/0/7/130776855/tasiduj.pdf
    • http://traind.me/uploads/1/3/1/4/131454207/38b2d0f547c8338.pdf
    • http://wisdomphilosophy.com/uploads/1/3/0/6/130620280/6456806.pdf
    • http://theteaspoondiaries.com/uploads/1/3/0/5/130543006/dorimotusexifiwinu.pdf
    • http://agiftsosweet.com/uploads/1/3/0/7/130739206/d4bebacde8.pdf
    • http://uxpuli.com/uploads/1/3/0/2/130287934/354398.pdf
    • http://indieboomfest.com/uploads/1/3/0/4/130476203/9560945.pdf
    • http://wisdomfarm.net/uploads/1/3/0/6/130603889/gimorel.pdf
    • http://kowriter.com/uploads/1/3/0/8/130874488/3501931.pdf
    • http://blueblazeshoops.com/uploads/1/3/0/4/130489343/resuvedigetap.pdf
    • http://campusbets.com/uploads/1/3/0/7/130775962/6077571.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_off00007060.bin
fb3dce5e7d19e52309e6f084a74855a3f86e3e3520b236326548d259de95fefc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7060 7952 bytes

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