Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d322c94f2e4e257…

MALICIOUS

PDF

42.6 KB Created: 2020-04-11 23:26:46 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3b3093b5a9cd2e44b6a86164cba44a5f SHA-1: c7e8067a9745493e766733609fd3751596c751e9 SHA-256: 3d322c94f2e4e257d631723c658e5ba5d5bc298d33551b746e5e7bfacec1c6f0
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a mass of external links, many of which point to PDF files hosted on various domains. The document body, though partially corrupted, suggests a lure related to football knee injuries. The heuristic 'PDF_SEO_LINK_FARM' indicates a technique to artificially inflate search engine rankings or distribute malicious content through a large number of external links. The primary external URI found is http://hplministries.org/uploads/1/3/0/2/130272336/130272336.html#tipos+de+lesiones+de+rodilla+en+el+futbol.

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://hplministries.org/uploads/1/3/0/2/130272336/130272336.html#tipos+de+lesiones+de+rodilla+en+el+futbol
    • http://nakshatrasadvancedcourse.com/uploads/1/3/0/7/130775104/15ff718353b7a.pdf
    • http://climaticsbvba.com/uploads/1/3/0/6/130605124/bcc7799cdb.pdf
    • http://gaatn.com/uploads/1/3/0/2/130270897/af9fc30a081a02.pdf
    • http://ibmseduc.com/uploads/1/3/1/3/131384489/091990262dc16.pdf
    • http://jynsenhenry.ga/uploads/1/3/1/1/131164455/pabilinexo.pdf
    • http://barbrajayne.com/uploads/1/3/0/8/130874030/8331132.pdf
    • http://anitamorrissey.com/uploads/1/3/1/3/131382590/kofowefebosemejinen.pdf
    • http://perfectlovefoundationcorp.com/uploads/1/3/0/7/130775629/818d3e0421.pdf
    • http://unexplainedinfertility.org/uploads/1/3/1/3/131383954/zepoxi_juludenu_gesikevedogarop.pdf
    • http://rockdion.com/uploads/1/3/1/3/131398187/4106783.pdf
    • http://zongandlaurentz.com/uploads/1/3/0/8/130814681/6388379.pdf
    • http://transportlogistics.lu/uploads/1/3/0/2/130288761/2991290.pdf
    • http://atemainc.com/uploads/1/3/1/4/131453054/c94cdfb16d2.pdf
    • http://transportlogistics.lu/uploads/1/3/0/2/
    • 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_off00007e4c.bin
e48da1aa36aed2f68db9171e53d1436d39b96be6d902f90ad741171811feb727		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E4C 8240 bytes

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