Malicious PDF — malware analysis report

Static analysis result for SHA-256 58fd9e9693651f1f…

MALICIOUS

PDF

39.3 KB Created: 2020-04-03 11:40:17 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 76772a6391e799de0edfa3836f09710b SHA-1: be3d3aba9b0eeedc7f583ba53913284ba3b1f411 SHA-256: 58fd9e9693651f1f83603a4e2b947c95481af0c87491cdb94999537c5e283a8d
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or redirection scheme. The document body contains text related to an audiobook and the authoring application, but the primary malicious activity appears to be the extensive use of external URLs. 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://alexandraesmith.org/uploads/1/3/0/8/130874240/130874240.html#laughing+without+an+accent+audiobook
    • http://affordablebarndoors.com/uploads/1/3/0/7/130739076/tilufaduga.pdf
    • http://machinesensory.com/uploads/1/3/0/5/130540609/0864c.pdf
    • http://jonpersonalwebsite.com/uploads/1/3/0/7/130775959/geloxivusow-bajijosari-xitinugobip.pdf
    • http://karmayogamx.com/uploads/1/3/1/1/131164038/49ed495b4.pdf
    • http://clarksvilletlc.org/uploads/1/3/0/8/130814516/kedifanasevixofikuni.pdf
    • http://pursegallery.com/uploads/1/3/0/5/130539231/1030677.pdf
    • http://emcsdesigns.com/uploads/1/3/0/8/130874299/zasupom.pdf
    • http://aquarellebeauty.com/uploads/1/3/0/6/130604803/2444452.pdf
    • http://metroplano.com/uploads/1/3/0/4/130488196/jirudimep.pdf
    • http://arborvitaescreen.com/uploads/1/3/0/4/130488410/nusozum.pdf
    • http://beaconbeerco.com/uploads/1/3/0/3/130323319/227305.pdf
    • http://burnsblufflodge.com/uploads/1/3/1/0/131070364/xofimavufuvanutas.pdf
    • http://eldoradocartersville.com/uploads/1/3/0/6/130604112/552a32eb.pdf
    • http://ashtaashram.com/uploads/1/3/0/4/130489776/33d1dadca0.pdf
    • http://albertapreventative.com/uploads/1/3/0/6/130621467/dajowudijifowanuj.pdf
    • http://stdavidscottage1.com/uploads/1/3/0/6/130604368/zerimozisin.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_off00007089.bin
9689e83df59c74133c24f2e26791d7770aa97ee9e6609962a81f42bc82bb40f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7089 8276 bytes

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