Malicious PDF — malware analysis report

Static analysis result for SHA-256 faece97357b07b5e…

MALICIOUS

PDF

39.3 KB Created: 2020-05-14 10:46:33 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4f18ae5cadb34e16f6447483ee457796 SHA-1: 6349ba66afc165b1b1b4e13b53eec7b5a25ebb31 SHA-256: faece97357b07b5e04b66bb902c5220ef3538ae9927f90f02dba350a404144a3
62 Risk Score

Malware Insights

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

This PDF document exhibits characteristics of a link farm, embedding a large number of external URLs. The primary heuristic firing indicates a 'PDF_SEO_LINK_FARM', suggesting the document's purpose is to drive traffic to these sites, potentially for SEO manipulation or to host further malicious content. The embedded URLs are structured with numeric slugs and domain names that appear to be part of a coordinated network. No scripts were extracted, and the document body is heavily obfuscated, limiting further analysis of the immediate payload.

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://opssecurityagency.com/uploads/1/3/0/8/130814483/130814483.html#brooklinen+classic+percale+sheets
    • http://cnoccult.org/uploads/1/3/0/6/130621352/1415273.pdf
    • http://midlandsdrone.net/uploads/1/3/0/7/130739714/wulebusu.pdf
    • http://twodudesinflipflops.com/uploads/1/3/0/7/130776204/xulujiniwulede.pdf
    • http://gibsontina.com/uploads/1/3/1/3/131380723/xadulagudi.pdf
    • http://weedjutsu.net/uploads/1/3/1/4/131406861/231430.pdf
    • http://echelon-equity.com/uploads/1/3/1/4/131406239/6a8a5333ec8e68.pdf
    • http://susannesreedhar.com/uploads/1/3/0/7/130775277/338f51d.pdf
    • http://yes4pets.net/uploads/1/3/0/4/130488311/5725408.pdf
    • http://trillionhairecollection.co/uploads/1/3/1/3/131380969/gexusexak-wigatizozu-daludizufuki-lowofavumuwedi.pdf
    • http://thegatedsixspeed.com/uploads/1/3/0/7/130776215/9232365.pdf
    • http://ohvintrkjam.com/uploads/1/3/1/3/131380594/jifemej.pdf
    • http://abogadoslaboralespr.com/uploads/1/3/0/8/130874045/8225307.pdf
    • http://myhospitalcare.com/uploads/1/3/0/4/130494289/5511306.pdf
    • http://scooterhorse.com/uploads/1/3/0/6/130620887/822885df487.pdf
    • http://andrzejdziekonski.com/uploads/1/3/0/6/130639965/finer_tirenoveluf.pdf
    • http://amapanitian.net/uploads/1/3/0/8/130814193/387aeb5d6536.pdf
    • http://kellystevensonceramics.com/uploads/1/3/0/3/130379523/pipofasuk_rameganiw_wimeminekilenug.pdf
    • http://rebeccafowkes.com/uploads/1/3/0/2/130287989/2218369.pdf
    • http://narayanaresidences.com/uploads/1/3/0/5/130539718/1510727.pdf
    • http://altnan.com/uploads/1/3/1/4/131410818/d9228da23.pdf
    • http://redondo.nl/uploads/1/3/0/7/130738919/susuno-xojuka-suziwexuruji-vavuw.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_off00006e0b.bin
581116ee3442287dfaf71c6b6b1b85f013877dd9f89ba69dff701985857adc98		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E0B 10388 bytes

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