Malicious PDF — malware analysis report

Static analysis result for SHA-256 30cc3035ba00baa7…

MALICIOUS

PDF

35.4 KB Created: 2020-06-16 08:02:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 87ce4a0039f575d07b960ebaa0336bff SHA-1: ccb2f8c0566627a64e4d0c964cc18fb08abd2b42 SHA-256: 30cc3035ba00baa73a67bd387f8a4a9dfc7495d3d92e4e3bcd9f5af7a4d8f647
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of external links, many of which are hosted on unrelated domains and appear to be part of a link farm. The document body, though partially corrupted, suggests a lure related to weight loss. The primary heuristic indicates a PDF link farm, suggesting the document's purpose is to distribute traffic to a network of potentially malicious sites. 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://saxtonresources.co.uk/uploads/1/3/0/6/130639526/130639526.html#how+to+lose+weight+fast+and+easy+no+exercise
    • http://buyphilproperties.com/uploads/1/3/1/4/131413905/24ab7b2ce.pdf
    • http://m.homecheck.net.nz/uploads/1/3/1/3/131381612/zakifevos_fodadezigul_vafezomezeniwu_gomajifujuba.pdf
    • http://a-199-34-228-100.yuvalamihai.com/uploads/1/3/1/3/131383228/tapuka.pdf
    • http://txschoolofdentalassisting.com/uploads/1/3/0/5/130538880/4b2f0c14f1.pdf
    • http://mx.stipplestudio.com/uploads/1/3/1/3/131398085/90a5cf1c0a8e6e.pdf
    • http://living-twenty.com/uploads/1/3/0/3/130313319/4849509.pdf
    • http://wellnessreclamation.com/uploads/1/3/1/8/131871614/vawabagaxamaje.pdf
    • http://mynicujourney.com/uploads/1/3/0/6/130640052/tasaxoma.pdf
    • http://14centsaminute.com/uploads/1/3/0/6/130620567/3a4bd31f.pdf
    • http://stop-look-listen.net/uploads/1/3/1/4/131437980/joxoza.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_off00005fe4.bin
0de9ad21755d9251b5fde87f010e51038896f442de847640fbf3285e29cbf7fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FE4 10056 bytes

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