Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6bb1095bbb5cc08…

MALICIOUS

PDF

35.8 KB Created: 2020-03-21 16:53:08 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: c080da404356e81b98fa45989d45bad2 SHA-1: f1e2cd0c71662c68c98ee3481709af1c11f66723 SHA-256: e6bb1095bbb5cc0886f504e0835a51cb53c0ac6adf9d17cbb096d9d198fc3ec4
92 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains text related to '2014 ap stats frq scoring guidelines' and references to wkhtmltopdf, suggesting a lure document. The primary attack pattern involves redirecting users to a vast network of linked PDF files, likely for SEO poisoning or to host further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://jamminjamaicancuisine.com/uploads/1/3/0/6/130620233/130620233.html#2014+ap+stats+frq+scoring+guidelines
    • http://peelian.net/uploads/1/3/0/6/130621505/sonofusexudi.pdf
    • http://springcreekranchclublambs.com/uploads/1/3/0/6/130621334/perimawufilufedago.pdf
    • http://klickstreet.net/uploads/1/3/0/5/130539768/cc48108ce.pdf
    • http://maygamers.com/uploads/1/3/0/7/130738955/jasixekumaxugu.pdf
    • http://windsorwes.com/uploads/1/3/0/6/130640013/9594732.pdf
    • http://sandiegoleasereturn.com/uploads/1/3/0/8/130874016/referezojowoti_kozadudikikaxoz_bexuvubik.pdf
    • http://seedspatial.com/uploads/1/3/0/8/130813400/1e7c96f14f2.pdf
    • http://mybabybubulah.com/uploads/1/3/0/7/130775251/pomuxekulazibakepa.pdf
    • http://darconstruction.net/uploads/1/3/0/7/130775775/jobasiv.pdf
    • http://host67-131-77-221.static.ahcnm.org/uploads/1/3/0/7/130739567/tibusokimez-vebipezawuzivi-wesijodero.pdf
    • http://yearsofadventures.com/uploads/1/3/0/4/130483417/2419832.pdf
    • http://gracepointschool.com/uploads/1/3/0/6/130621656/ganeloz.pdf
    • http://motherstouchmedical.com/uploads/1/3/0/6/130621909/94b8e9b6230.pdf
    • http://artistrybyaren.com/uploads/1/3/1/0/131070505/simoviti-rewufojem.pdf
    • http://leplaisirdevendre.com/uploads/1/3/0/2/130270833/riraxagikisifo.pdf
    • http://admin.noc1.net/uploads/1/3/0/8/130873957/8300cd7bc1b85.pdf
    • http://www.lilylyn.co.uk/uploads/1/3/0/5/130588802/3067190.pdf
    • http://xxpressyourselfteesandmore.com/uploads/1/3/0/5/130590532/sanokefefov.pdf
    • http://tamarindhive.lk/uploads/1/3/0/6/130621277/tilotekipuriveso.pdf
    • http://surreypaintpros.com/uploads/1/3/0/2/130271097/8686959.pdf
    • http://www.georgeandshelly.com/uploads/1/3/0/3/130313319/89e96b992.pdf
    • http://thompsonlab.ua.edu/uploads/1/3/0/6/130639468/fafevakotaluza-lunenaworumomiz-xutonekazutafi-bekadudese.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_off000064f6.bin
fcdbd348c97b942f5fe1b52f528532a8c566d67850b471ed7920dff9c3ad55f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64F6 7308 bytes

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