Malicious PDF — malware analysis report

Static analysis result for SHA-256 e437a30ba03e403b…

MALICIOUS

PDF

31.3 KB Created: 2020-04-14 06:55:55 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7bf4b53e9e1d354e2c46b608ededee3c SHA-1: 057a5cdc63e65a80ab27164d3c3704233e357600 SHA-256: e437a30ba03e403b2456dc5c3133cd8c74dfe8c4a42b8a0a9fa3bf5bb1c105e4
62 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which appear to be part of an SEO link farm. The document body, though heavily obfuscated, contains references to nutritional information and the authoring tool 'wkhtmltopdf', suggesting a lure to disguise the malicious nature of the links. The primary attack pattern observed is the use of a link farm to direct users to potentially malicious content hosted on various domains.

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://murraywhiteley.com/uploads/1/3/0/4/130483396/130483396.html#mr+christie+arrowroot+cookies+nutritional+information
    • http://jaredgrange.com/uploads/1/3/1/4/131438499/xipew_bokifoboranaraj.pdf
    • http://hollieferris.com/uploads/1/3/1/4/131454415/c7901606f.pdf
    • http://hartmannanglim.com/uploads/1/3/0/6/130622073/lapuwofufesizuri.pdf
    • http://protrip.cz/uploads/1/3/0/8/130874567/ranivozutavipadal.pdf
    • http://funfithealwellcom.com/uploads/1/3/1/3/131381481/1b021224.pdf
    • http://pa-trafficlaw.com/uploads/1/3/0/7/130775573/xubumomumiluwejukup.pdf
    • http://ilovetangie.com/uploads/1/3/1/4/131437779/xuzavorasob.pdf
    • http://adestramente.com/uploads/1/3/0/4/130483582/7134398.pdf
    • http://sarahdriggersmk.com/uploads/1/3/0/6/130639910/2cb6e.pdf
    • http://mchavezhomepage.com/uploads/1/3/0/5/130545021/39b723.pdf
    • http://katyhomebirth.com/uploads/1/3/0/6/130620720/8178183.pdf
    • http://withmamasnature.com/uploads/1/3/1/0/131070727/552c47d.pdf
    • http://strategicnonprofit.com/uploads/1/3/0/6/130639935/9c1e46f8c3.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_off000054b4.bin
3fb998dbd698d48a73fd0eb86e1aaa15a9c7ffc9647bc87184867fcb2e39e254		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54B4 6408 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.