Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd8d0c9763423c27…

MALICIOUS

PDF

31.7 KB Created: 2020-04-08 12:18:02 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 944f592cf4f7ab7377648746b23733fd SHA-1: 6a31f3de90a3b708e4711f5f1c68604d327742b7 SHA-256: dd8d0c9763423c277bd8cd54f0fe1cd7b2b7afc32cf0b9e65066cc800d039890
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Gather Victim Identity Information T1204 Malicious Link

The PDF document contains a large number of external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, indicating a likely attempt to drive traffic to a network of linked pages. The document body itself contains a YouTube link, which may be a lure or part of the SEO strategy.

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://evangelyn.studio/uploads/1/3/0/6/130603969/130603969.html#la+tierra+canta+letra+youtube
    • http://tristarfamilychiropractic.com/uploads/1/3/0/3/130323116/fanot_gobexika_xugekubevopir.pdf
    • http://mainehypnotistsngh.net/uploads/1/3/0/7/130739831/tewujezomunun_wugupozib.pdf
    • http://patbutch.com/uploads/1/3/0/6/130639685/zenuwoloxe_simonekubima_forutavuv.pdf
    • http://mail.opensideup.com/uploads/1/3/0/6/130640191/3f16aa.pdf
    • http://peopleofdowntownlondon.com/uploads/1/3/0/6/130603858/mivimog-ripidobu-lowuvokesirir-sorezazuvoguras.pdf
    • http://tripledcustoms.com/uploads/1/3/0/7/130775205/zitimijepi-mexonaru.pdf
    • http://teacherdrip.com/uploads/1/3/0/2/130291662/8250567.pdf
    • http://zerojb.com/uploads/1/3/1/4/131409508/0d620.pdf
    • http://sunnyandblueskies.com/uploads/1/3/1/3/131380341/104581.pdf
    • http://homebrewbeerguide.com/uploads/1/3/1/3/131384211/wunabaj-voletaped.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_off000050c8.bin
f274ef3c80e73bb03f6f0489eab0f7fef44707e50a8f4276de087a5fe02cc2d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x50C8 8812 bytes

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