Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8113a2295b36f30…

MALICIOUS

PDF

45.4 KB Created: 2020-03-20 08:50:06 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8168b1985161d6451233e6431c5c9cdf SHA-1: 6f2eddd945fe7b4d0bd7dc36d4088b983992b53b SHA-256: c8113a2295b36f303364cd9db56cc6f82bfad6a1f47884dad08c40ee3ea74250
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or SEO manipulation tactic. The document body itself is heavily obfuscated but contains references to some of these URLs. The primary attack pattern appears to be directing users to a large collection of external resources, potentially for malicious purposes such as distributing malware or phishing content.

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://floridacannabisexchange.com/uploads/1/3/0/7/130739090/130739090.html#manual+de+derecho+penal+parte+especial+pdf+peru
    • http://letiantangyulechengwangluobaijiale.f18.ebkf.org/uploads/1/3/0/8/130874090/a87b34.pdf
    • http://surrealhaircompany.com/uploads/1/3/0/3/130379370/latapotepedodiwavev.pdf
    • http://cupie.net/uploads/1/3/0/6/130640025/bidekavuna_fesotupor.pdf
    • http://starttofocus.com/uploads/1/3/0/6/130603903/6228623.pdf
    • http://voodooshacksauces.com/uploads/1/3/0/6/130620653/9fd210aa24acc.pdf
    • http://rebeccapocahuntasceramics.com/uploads/1/3/0/9/130969334/radufaxola-ruzawopufelu.pdf
    • http://914986278393568490.com/uploads/1/3/0/9/130969485/vedoratevazeruxega.pdf
    • http://sagadaview.com/uploads/1/3/0/6/130639571/jurom.pdf
    • http://yournaturallybrightpatiocovers.com/uploads/1/3/0/3/130312925/jewenew.pdf
    • http://studioc229.com/uploads/1/3/0/4/130476538/wufilepunidino.pdf
    • http://sierrathunder.farm/uploads/1/3/0/6/130604833/7157610.pdf
    • http://bbq4hope.com/uploads/1/3/0/5/130588613/taxob.pdf
    • http://ogdenlfl.com/uploads/1/3/0/2/130289745/duvitexegi_fisod.pdf
    • http://www.familyhartlen.ca/uploads/1/3/0/3/130313524/5332303.pdf
    • http://charlestongospelchoir.com/uploads/1/3/0/6/130620979/sosanakolefeluni.pdf
    • http://www.neo-derm.net/uploads/1/3/0/4/130488964/fuzuro-bexaxabuzujis-mewexonakik.pdf
    • http://tshirtplanetdesign.com/uploads/1/3/0/7/130738712/2405173.pdf
    • http://gkgd.org.za/uploads/1/3/0/5/130590235/9481108.pdf
    • http://socialstudiestoday.net/uploads/1/3/0/2/130271205/b69d8351935b259.pdf
    • http://light2germany.com/uploads/1/3/0/6/130621648/7970470.pdf
    • http://pyarabeauty.com/uploads/1/3/1/1/131164032/e0b844.pdf
    • http://www.sasoftwareonline.co.za/uploads/1/3/0/3/130313480/9928041.pdf
    • http://handyindeed.com/uploads/1/3/0/6/130639687/9582499.pdf
    • http://cabrinispirit.com/uploads/1/3/0/5/130588497/xaxolulabif.pdf
    • http://berend-bode.org/uploads/1/3/0/8/130814682/7394873.pdf
    • http://cabrinispirit.com/uploads/1/3/0/
    • 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_off000084f3.bin
493c0924ae118ecf2feaf493d29cb844a2acb207998ec26af872119537c31963		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84F3 9900 bytes

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