Malicious PDF — malware analysis report

Static analysis result for SHA-256 37f82115dd83bbc9…

MALICIOUS

PDF

36.1 KB Created: 2020-04-22 09:10:28 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3fc4954f21c1a3d29831647d78ba7913 SHA-1: 8f6f9417baaf6345b71af0bf4c9f5fcff693eee3 SHA-256: 37f82115dd83bbc91925fbd2479448328423cac00494282a2f11caec41acc668
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to PDF files with numeric or book-related slugs, suggesting a link farm or SEO abuse tactic. The document body mentions 'Get your guide promo codes 2019', indicating a lure to entice users to click on the embedded URLs. The primary URL identified is http://kbsouthafrica.com/uploads/1/3/0/8/130814122/130814122.html#get+your+guide+promo+codes+2019, which likely leads to a malicious or scam page.

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://kbsouthafrica.com/uploads/1/3/0/8/130814122/130814122.html#get+your+guide+promo+codes+2019
    • http://rebeccagavigan.com/uploads/1/3/0/9/130969748/2116676a0.pdf
    • http://galalogistic.com/uploads/1/3/0/4/130483679/kadukolimasevufura.pdf
    • http://dianadalmasy.com/uploads/1/3/0/8/130874617/feabbbd0988e.pdf
    • http://davyddchong.com/uploads/1/3/0/6/130620601/laluzemi.pdf
    • http://dracamille.com/uploads/1/3/0/5/130538925/wobitiwudatata.pdf
    • http://ateaminspect.com/uploads/1/3/0/5/130539053/gitowezu.pdf
    • http://stellasolutions.com/uploads/1/3/1/0/131070213/8115411.pdf
    • http://thetullios.com/uploads/1/3/0/6/130620674/d7d64a702b.pdf
    • http://tellmeastory2day.com/uploads/1/3/0/3/130313641/1671417.pdf
    • http://vintage-pop.store/uploads/1/3/0/6/130604226/41abccbf98903.pdf
    • http://encokey.org/uploads/1/3/0/7/130775029/sozufipifa.pdf
    • http://dianadalmasy.com/uploads/1
    • 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_off00006489.bin
881fe94d817c7a3ddabdadad36860f2b8ffb17313d94277a1f665d2e69a7b478		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6489 8332 bytes

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