Malicious PDF — malware analysis report

Static analysis result for SHA-256 8fe6f25fe4e1d300…

MALICIOUS

PDF

50.0 KB Created: 2020-03-08 10:10:38 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 42aa84fb9c174052a2709d5b21973d28 SHA-1: 33b37f0a3630800c59764ac5f74e2834986bce67 SHA-256: 8fe6f25fe4e1d300e0500683cd993dff70b5e2e5e90468b95b216a4f290dfaf6
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded external links, characteristic of a link farm designed to distribute traffic or host malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, with 'quantumtaoist.com' being a dominant host. No scripts were extracted, and the document body is heavily obfuscated, making it difficult to determine the exact nature of the linked content. However, the sheer volume of links suggests a malicious intent to redirect users to potentially harmful sites.

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://lindholm-family.rominastiebenphotography.com/uploads/1/3/0/2/130291874/130291874.html#actionscript+2.0+animate+cc
    • http://quantumtaoist.com/uploads/1/3/0/5/130543074/5eccf46cf.pdf
    • http://leadworxltd.com/uploads/1/3/0/2/130273982/9968781.pdf
    • http://the-hungry-chef.com/uploads/1/3/0/6/130620642/relazuvusawen-wodotidugologo-kevupeviz.pdf
    • http://resealstone.com.au/uploads/1/3/0/8/130874565/c924d614.pdf
    • http://www.hurleysrebels.com/uploads/1/3/0/7/130739938/5845451.pdf
    • http://myketoquest.com/uploads/1/3/0/4/130483394/7355e467f86c.pdf
    • http://ethreemotors.com/uploads/1/3/0/5/130539696/rakitiki_sibut_pawejeva_bobajafoj.pdf
    • http://www.natashawheinz.com/uploads/1/3/0/6/130620274/3731336.pdf
    • http://www.le-manuel-du-tage-post-bac.fr/uploads/1/3/0/6/130604188/08bfe23.pdf
    • http://boshuster.com/uploads/1/3/0/5/130539837/jexorovurifinuvew.pdf
    • http://prodiagno.com/uploads/1/3/0/2/130273987/3892937.pdf
    • http://reidenterprisesllc.org/uploads/1/3/0/7/130776023/towibu_tabip_lubezeketuso.pdf
    • http://khaliafrazier.com/uploads/1/3/0/5/130539800/rezoralepi-dasikom.pdf
    • http://edsoncustomcruisers.com/uploads/1/3/0/8/130814238/b85d2cd684fd304.pdf
    • http://natashacorriephotography.com/uploads/1/3/0/4/130435592/lavigeg.pdf
    • http://furnitruesoon.com/uploads/1/3/0/5/130550817/dbde5689.pdf
    • http://kavid.ca/uploads/1/3/0/6/130605036/259df6d58.pdf
    • http://wildywell.com/uploads/1/3/0/8/130813546/b90abf82.pdf
    • http://blueseasmarinesurveys.com/uploads/1/3/0/4/130488691/dexopavuru.pdf
    • http://www.fastsecurity.eu/uploads/1/3/0/2/130289346/dodimokibugofu.pdf
    • http://luckyfoxstudio.com/uploads/1/3/0/7/130775743/be8b0.pdf
    • http://brenshawmedicalrecruitment.com/uploads/1/3/0/6/130604632/mazobolusasikir.pdf
    • http://clicktolookinside.live/uploads/1/3/0/5/130589348/7ef6aa53.pdf
    • http://www.methodistmissionary.com/uploads/1/3/0/6/130604392/9138231.pdf
    • http://targetedcopywriting.com/uploads/1/3/0/4/130435807/pevorijuri.pdf
    • http://www.methodistmissionary.com/uploads/1/3/0/6/1306
    • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009168.bin
db5f72b978ae88c574894dd13e329e2e647feb6f941b9e009ec0e01ddde81d00
pdf-font-stream PDF embedded font (sfnt) at offset 0x9168 8108 bytes
font_01_sfnt_off0000b0f9.bin
41d5c9cb4d60b7530e3cfd93a78efd430fe179aa57a8296e74fb8a971da4b0ee
pdf-font-stream PDF embedded font (sfnt) at offset 0xB0F9 2600 bytes