Malicious PDF — malware analysis report

Static analysis result for SHA-256 b64ec21da312d94a…

MALICIOUS

PDF

34.7 KB Created: 2020-04-09 00:38:27 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7144ca8175e3944f13d3a463f824d49d SHA-1: 3b1d76655c8e1cba0549a025bed49d8356b857f1 SHA-256: b64ec21da312d94a113694b46f47ffacf3f004a212059a5e0d07dbda5ad5b4ce
62 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for PDF_SEO_LINK_FARM, indicating a large number of external links. The document body also contains multiple URLs, including one that appears to be a lure for song lyrics. These elements suggest the document is designed to redirect users to potentially malicious websites, possibly for SEO poisoning or phishing purposes. 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://americanpoolsrvc.net/uploads/1/3/0/9/130969436/130969436.html#paroles+diabolos+koffi+olomide+ultim
    • http://lbibars.com/uploads/1/3/0/5/130588617/9523620.pdf
    • http://mymamaisasocialworker.com/uploads/1/3/0/2/130288707/sibabilizeviviwam.pdf
    • http://mcvminc.com/uploads/1/3/0/8/130874365/famebudu-kefobaxi-degafotogivenut.pdf
    • http://cuisinease.com/uploads/1/3/1/3/131384568/getedebedi.pdf
    • http://adamwileymusic.com/uploads/1/3/0/6/130604429/murik-sunojowilu-wemokilu.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_off00005fb1.bin
0befabd49459dc7aeadb74ec6fb2334becd73144519597e118d83cfa024653a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FB1 8188 bytes

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