Malicious PDF — malware analysis report

Static analysis result for SHA-256 b197b83326e80c3c…

MALICIOUS

PDF

39.7 KB Created: 2020-04-18 03:46:05 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 84370614429107af64d167e753b1b5fb SHA-1: 3811b37a335cde7c02055b2f2ac1a26ace2d3ab6 SHA-256: b197b83326e80c3cd5c263205fb2d6a34e32b23fcc909730fec52c2dba17e152
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, many of which are numerically or generically slugged, indicating a link farm or SEO spam campaign. The document body, though heavily obfuscated, contains text related to 'media player classic for android phones', suggesting a lure to attract users to potentially malicious content hosted on the linked domains. 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://sensitiveminds.org/uploads/1/3/0/9/130969209/130969209.html#media+player+classic+for+android+phones
    • http://truedelightphotography.com/uploads/1/3/0/5/130590361/pamebamatol-minor.pdf
    • http://thegaywhostrayed.com/uploads/1/3/0/6/130604885/divunolorusogi.pdf
    • http://stylistmis-styleme.com/uploads/1/3/0/6/130620657/morif_bupedekufub_xufif_tugibokigigagov.pdf
    • http://damonster24.com/uploads/1/3/0/3/130323163/renasugu_bomolowe.pdf
    • http://baydrunkpodcast.ca/uploads/1/3/0/3/130324044/joruketilife.pdf
    • http://hostaldonluismariquina.com/uploads/1/3/0/8/130814057/laluvog.pdf
    • http://dddnamibia.net/uploads/1/3/1/1/131164153/garigobi.pdf
    • http://ugomicci.it/uploads/1/3/0/5/130543019/5059162.pdf
    • http://crecareerfit.com/uploads/1/3/0/6/130639373/76500a601470534.pdf
    • http://illusionspublishinghouse.com/uploads/1/3/1/4/131409274/jamijovuraxev-vizalagep-xejubofo.pdf
    • http://properpropertysolutions.com/uploads/1/3/1/3/131381924/sonasi.pdf
    • http://mybespokefurniture.com/uploads/1/3/1/3/131381003/kopekotipovaxo_wirusujuwe_midelowosinufa.pdf
    • http://mybespokefurniture.com/uploads/1/3/1/3/1313
    • 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_off00007185.bin
fc22950e25468ead17309a8705fcd334c15a325339e250f381f70d40d32a888a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7185 8124 bytes

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