Malicious PDF — malware analysis report

Static analysis result for SHA-256 d59e981d2930672c…

MALICIOUS

PDF

38.1 KB Created: 2020-04-07 12:09:19 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 46bd9737cebb5dc2d94ecb148ce19c8c SHA-1: 896f38a8af3ab6e6be4c1760dd3eb3d6aed237f4 SHA-256: d59e981d2930672c287bb429a300f50577224a48c2eb619b6c62b6a64ce5c5fe
62 Risk Score

Malware Insights

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

The PDF file contains numerous external links, a common tactic for SEO poisoning or phishing lures. The document body includes a title related to a free game download, which is likely a pretext to drive traffic to the malicious URLs. The heuristic 'PDF_SEO_LINK_FARM' strongly indicates a link farm strategy, suggesting the primary goal is to redirect users to potentially malicious content hosted on domains like teamgls.com and irishknucklesmma.com.

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://teamgls.com/uploads/1/3/1/4/131452837/131452837.html#crash+bandicoot+warped+para+pc+descargar+gratis
    • http://irishknucklesmma.com/uploads/1/3/0/6/130604232/7862552.pdf
    • http://intimatedesirecollections.com/uploads/1/3/0/4/130436095/sikitadevufud.pdf
    • http://curvybridalsma.com/uploads/1/3/0/2/130274338/xoraxanerozevep.pdf
    • http://wematterinc.com/uploads/1/3/0/5/130551518/rutokidefemamed.pdf
    • http://blackwatchagribusiness.net/uploads/1/3/0/6/130621809/1378548.pdf
    • http://adminmuse.com/uploads/1/3/0/5/130539111/gujafo_wekaxobefozim_notakobile_lulepupemosu.pdf
    • http://renovliesbehangers.com/uploads/1/3/0/6/130605341/fijulaxagibak.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000055f8.bin
b68f0c510b9624e7c16906e8ca3d76f65a7b440e32bb900b0c71721f1e6a7fbe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55F8 8408 bytes
font_01_sfnt_off000074bb.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74BB 16036 bytes

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