Malicious PDF — malware analysis report

Static analysis result for SHA-256 804029ad32c13714…

MALICIOUS

PDF

35.2 KB Created: 2020-05-16 04:20:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 560abb7e0db33ed2648937eb35890957 SHA-1: e1089968bfbabc20188dc00697685eea9e40f870 SHA-256: 804029ad32c1371479640d01930728cae46bfb34e77f4d3cd6496bd741ea1b5f
62 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body is largely obfuscated but contains references to nutritional information and the wkhtmltopdf tool, suggesting a lure. The primary purpose appears to be directing users to a vast network of websites, likely for SEO spam or to host further malicious 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://icelandbeyond.co/uploads/1/3/0/2/130273576/130273576.html#grilled+flank+steak+nutritional+information
    • http://blackoakfamilyfarm.com/uploads/1/3/0/7/130739783/lemip.pdf
    • http://muthacluckaz.com/uploads/1/3/0/6/130639181/lepizilefivo.pdf
    • http://captaingoogoo.com/uploads/1/3/0/5/130540063/xelam.pdf
    • http://laurajanematthews.com/uploads/1/3/0/9/130969791/jerefelek.pdf
    • http://reedmachine.net/uploads/1/3/0/4/130483413/lanakilit-turoberidixukut-kimuvob.pdf
    • http://indyspotlight.org/uploads/1/3/0/2/130289623/8339140.pdf
    • http://macdonald-designs.com/uploads/1/3/0/4/130489019/9181128.pdf
    • http://healymirkovich.com/uploads/1/3/0/5/130543353/4604954.pdf
    • http://ofcstylest.com/uploads/1/3/1/3/131381374/ed9364b40d4921.pdf
    • http://sm-eb.de/uploads/1/3/0/5/130551463/e54d0541cd62c.pdf
    • http://jgriffithwriter.org/uploads/1/3/0/6/130621552/7953426.pdf
    • http://mouseholefish.com/uploads/1/3/0/7/130739152/zurapuzaxijomu-xaremun-mufude.pdf
    • http://acquestnorthwest.com/uploads/1/3/0/5/130544043/50c56b18.pdf
    • http://forestranchca.org/uploads/1/3/0/6/130639605/9286153.pdf
    • http://thunderbirdsfoundation.com/uploads/1/3/0/4/130483153/jefafojeg_vixovijilu.pdf
    • http://theamazingtruth.com/uploads/1/3/0/7/130739557/megot.pdf
    • http://journey2wholeness.net/uploads/1/3/0/6/130604411/9500642.pdf
    • http://ccsells.com/uploads/1/3/1/3/131379420/67e469.pdf
    • http://mkebookscoach.com/uploads/1/3/0/7/130738658/guwuvikokokasawara.pdf
    • http://genxlocal.com/uploads/1/3/0/8/130813550/wusalet.pdf
    • http://prohaie.net/uploads/1/3/0/3/130313803/6513014.pdf
    • http://arielleschiano.com/uploads/1/3/1/1/131164437/26778.pdf
    • http://belindawabelo.com/uploads/1/3/1/0/131069923/d12a07b.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_off00005ec2.bin
ef7d098797b45082ae3bd5097a64535fc286f8fe437576f2c54cd247b1bea65e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EC2 9932 bytes

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