Malicious PDF — malware analysis report

Static analysis result for SHA-256 48d042d11b43c7c1…

MALICIOUS

PDF

30.2 KB Created: 2020-04-08 10:32:13 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 923d7e1393eaf44ebe6b7b0376e61346 SHA-1: fd961948885a07b663371fe70f252d2515f09b88 SHA-256: 48d042d11b43c7c1ebf8727bb7207da6a9a0b7c14634f5abea576b35bc5fc7c7
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links pointing to various domains, indicating a link farm or SEO manipulation tactic. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior. The embedded URLs are likely intended to redirect users to malicious content or phishing sites. No scripts were extracted, limiting the analysis of direct payload execution.

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://saraexpress.net/uploads/1/3/1/0/131071076/131071076.html#can%27t+stop+the+feeling+by+justin+timberlake+lyrics
    • http://huronvillas.com/uploads/1/3/0/8/130813782/jimakazenubewaw.pdf
    • http://upperdare.be/uploads/1/3/1/3/131383309/44c03.pdf
    • http://breannavinsonphotography.com/uploads/1/3/0/4/130435499/2cfcc8aa.pdf
    • http://ibandmanagerpro.com/uploads/1/3/1/3/131383515/049b63f3.pdf
    • http://escaperoom.solutions/uploads/1/3/0/6/130621213/tifepis.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_off000051ce.bin
8e4190dafa9b8431583ede734e29f0a5aec00a1e52457da276e64a3d2a9a3e4d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51CE 6528 bytes

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