Malicious PDF — malware analysis report

Static analysis result for SHA-256 317ebc8b4392c55e…

MALICIOUS

PDF

56.5 KB Created: 2020-03-13 08:59:21 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5559186752fe15481c00868197c6c6f7 SHA-1: bc0959d39cd591f7c32a633e7875e2c8e12e49e0 SHA-256: 317ebc8b4392c55ee2e231eb23272a8f08bedd692411e363dff6b45a1a60f0a7
62 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, indicative of a link farm or SEO spam campaign. The document body contains garbled text and a reference to 'Andaman nicobar trip cost', suggesting a lure to attract clicks. The primary heuristic 'PDF_SEO_LINK_FARM' confirms the presence of numerous external PDF links, with 'itsmrjack.com' being a dominant host. 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://switchgrassmgnt.com/uploads/1/3/0/6/130621998/130621998.html#andaman+nicobar+trip+cost
    • http://itsmrjack.com/uploads/1/3/0/5/130550944/mijodavisamu.pdf
    • http://tedstunner.com/uploads/1/3/0/4/130476150/purigijexajirot-petiv.pdf
    • http://mail.anamcarafolkmusic.com/uploads/1/3/0/4/130489803/piger.pdf
    • http://www.triedandtrueconsignment.com/uploads/1/3/0/7/130739022/8145548.pdf
    • http://gotbullys.com/uploads/1/3/0/8/130874397/a7075878fbd573.pdf
    • http://ttob-hotels.com/uploads/1/3/0/3/130379711/dilozimox-sozulit.pdf
    • http://www.paulhobkirk.com/uploads/1/3/0/4/130483309/kemal_goxaziji_sitowa.pdf
    • http://www.lockwoodrentalproperties.com/uploads/1/3/0/5/130588410/3921180.pdf
    • http://karamckinney.net/uploads/1/3/0/9/130969458/86b5ac2d42833.pdf
    • http://pueblocopainting.com/uploads/1/3/0/7/130775025/bevamonozetenitexevu.pdf
    • http://prophecyoutlook.com/uploads/1/3/0/2/130287314/6206738.pdf
    • http://americanyardscapes.com/uploads/1/3/0/9/130969791/vetire-kabarobidupimuv.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_off0000b4c1.bin
d7a66b7dd31716d8c99c513ea36d8b3735156e5f818499f354cf6037184e7c5b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB4C1 8344 bytes

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