Malicious PDF — malware analysis report

Static analysis result for SHA-256 59cf554772ab6b88…

MALICIOUS

PDF

40.2 KB Created: 2020-04-01 18:30:12 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3b0a4f63fe37dd2acaa762a8e8a40a71 SHA-1: 59ae63863f7dce2889c97575668282c52ed74c19 SHA-256: 59cf554772ab6b8853db5cca0d7a37f1e5ab8d126c2d2da6a0ad005d4cddd48e
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a common tactic for SEO poisoning and phishing campaigns. The document body, though heavily obfuscated, contains references to 'Mutants and Masterminds editable character sheet' and the tool 'wkhtmltopdf', suggesting a lure to a fake document or resource. The embedded links likely lead to further malicious content or phishing pages.

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://myhealthcoachusa.com/uploads/1/3/1/3/131398596/131398596.html#mutants+and+masterminds+editable+character+sheet
    • http://deonu.com/uploads/1/3/0/7/130774994/5878106.pdf
    • http://jmovers.net/uploads/1/3/0/7/130739786/pujafasixagim_votezejoxu_kepaketofijetet_fixulepuv.pdf
    • http://aquacultureprinciples.com/uploads/1/3/0/6/130620436/8602450.pdf
    • http://shirleydanger.com/uploads/1/3/0/3/130323535/3097311.pdf
    • http://flyceclothing.com/uploads/1/3/0/8/130874680/sebiponuxad-dazepitida.pdf
    • http://kreativkisterl.com/uploads/1/3/0/8/130814652/a4de6e3c.pdf
    • http://ramsayband.com/uploads/1/3/1/3/131384696/bafupobaxetevovuz.pdf
    • http://bsr-project.com/uploads/1/3/0/6/130639055/3e6dbeef06c.pdf
    • http://mirocku.com/uploads/1/3/0/4/130483515/katirepavem.pdf
    • http://ferocitymakeup.com/uploads/1/3/0/6/130604016/nipopinakidu.pdf
    • http://targetig.com/uploads/1/3/0/4/130488227/rezojamud-wegumepiza-sulomojewuvajid-ramuzaw.pdf
    • http://inspirationalweddingideas.com/uploads/1/3/0/9/130969727/kedajenoju.pdf
    • http://autowizardmobile.net/uploads/1/3/0/4/130483911/b926c659f1.pdf
    • http://animalesdeberjayalmerimar.com/uploads/1/3/0/6/130605012/tawimuli.pdf
    • http://frasierhealthcare.com/uploads/1/3/0/8/130813533/wipesimod.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_off0000729b.bin
7f9f29ba7a380121c7332ddac29bc54e6c7042158f3e916c3dc7c840796c61c5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x729B 8508 bytes

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