Malicious PDF — malware analysis report

Static analysis result for SHA-256 bdb8ba80a6fe8db8…

MALICIOUS

PDF

73.0 KB Created: 2020-06-04 14:30:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 98532086dcc4605c35c15684a63c7581 SHA-1: 01785a101b46f93b228f3914a72b934c070f4e60 SHA-256: bdb8ba80a6fe8db80821475497d3172a700b89738a979ec54551658c9204907e
70 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, characteristic of a link farm or SEO poisoning technique. The heuristic 'SE_INVOICE_LURE' indicates the document's content is designed to trick the user into clicking these links, likely for malicious purposes. The embedded URLs point to various domains, suggesting a broad distribution effort.

Heuristics 4

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://hostmaster.findhornmarina.com/uploads/1/3/0/7/130775965/130775965.html#the+adjusting+entry+to+record+deprec
    • http://floressencecards.com/uploads/1/3/0/4/130483109/vobugaponufosi.pdf
    • http://purdueicm.org/uploads/1/3/0/5/130540402/518321.pdf
    • http://deannorrie.biz/uploads/1/3/0/3/130379137/wuruzizemofazof.pdf
    • http://mail.izziemac.com/uploads/1/3/1/0/131070161/bc813e0.pdf
    • http://srisspain.es/uploads/1/3/0/5/130546209/e1c40be608c6dd.pdf
    • http://aawphotography.com/uploads/1/3/0/4/130476161/xexoxu.pdf
    • http://hostmaster.findhornmarina.com/uploads/1/3/0/7/130775965/terms.html
    • http://hostmaster.findhornmarina.com/uploads/1/3/0/7/130775965/dmca.html
    • http://hostmaster.findhornmarina.com/uploads/1/3/0/7/130775965/policy.html
    • https://kugigoke149047822.files.wordpress.com/2020/06/jupubaxerolidekobev.pdf
    • https://tiwipur.files.wordpress.com/2020/06/19483613154.pdf
    • https://ponusufos.files.wordpress.com/2020/06/kilinob.pdf
    • https://napatogunan.files.wordpress.com/2020/06/82708409152.pdf
    • https://jesebenoj.files.wordpress.com/2020/06/ponawirusekididifogafuv.pdf
    • https://serumaputafe.files.wordpress.com/2020/06/38584522329.pdf
    • https://sumexarit.files.wordpress.com/2020/06/bidobixasusigu.pdf
    • https://zajiwirit.files.wordpress.com/2020/06/wijuzaduvenotifujago.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_off0000f36c.bin
41fc2804ba137f9fe45e500bb4a1e538f28532a845f4e3185c1dcc5397713155		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF36C 10848 bytes

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