Malicious PDF — malware analysis report

Static analysis result for SHA-256 f613145936d98c31…

MALICIOUS

PDF

51.3 KB Created: 2020-04-15 22:40:27 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 71d995b9a5b29b0da4b5f39cbcba1f38 SHA-1: 9ccab2312ff5c80627471ae6f64fc542ed3e404a SHA-256: f613145936d98c31121508fcb9813f604e2d428f1a742d6d0166449a8cc93cb0
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to similarly structured URLs. The document body text, though partially corrupted, includes a search query and a URL, suggesting a lure to trick users into visiting a malicious website. The primary heuristic indicates a link farm designed to manipulate search engine results. No scripts were extracted from this sample.

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://wagenselleryoga.com/uploads/1/3/1/4/131453496/131453496.html#cc+road+full+form+in+india
    • http://carolynstierferrellclarksvillehistory.com/uploads/1/3/0/8/130813715/kepogob.pdf
    • http://kittycatmafia.com/uploads/1/3/0/7/130740130/6e45bbe5a.pdf
    • http://gmbverifier.com/uploads/1/3/0/4/130435803/lugejorojonebuwumuz.pdf
    • http://greenroadbaptistchurch.org/uploads/1/3/0/6/130639845/522504.pdf
    • http://virtubel.com/uploads/1/3/0/4/130483322/xegidunufopufak.pdf
    • http://roadhouse74barandgrill.com/uploads/1/3/1/4/131453188/korido.pdf
    • http://imagodeisociety.net/uploads/1/3/0/8/130873906/5562151.pdf
    • http://addoelephantsafari.com/uploads/1/3/1/6/131606003/ligafe_gusixup.pdf
    • http://vitalityhousing.com/uploads/1/3/1/3/131378852/04b56a781bb672.pdf
    • http://cvtindustries.com/uploads/1/3/0/3/130323616/6f2c2e674d.pdf
    • http://rxthisframe.com/uploads/1/3/0/8/130874490/tenigelek.pdf
    • http://strongsean.com/uploads/1/3/1/0/131071164/b3e83cac02f032e.pdf
    • http://travelinpour.com/uploads/1/3/1/3/131383977/9678853.pdf
    • http://vibecandlez.com/uploads/1/3/0/7/130740508/3628595.pdf
    • http://cblacrosse.com/uploads/1/3/0/9/130969294/479837.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_off00008ab3.bin
2b4c1fec6fd6e7ded7cbba1e22eeb37300a88d4c4c36d1faefc21e2fb3431f2a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8AB3 8576 bytes
font_01_sfnt_off0000ac07.bin
32b54217619f9438721b423dc2f4f4da0f78781b0811ea49af2be6b0310ecf56		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAC07 16164 bytes

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