Malicious PDF — malware analysis report

Static analysis result for SHA-256 d41c40e7672c0e80…

MALICIOUS

PDF

40.3 KB Created: 2020-04-09 07:25:35 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 95078841a41c5d8cf33919de6814e791 SHA-1: cd23937f52eae4d4340a74935eb208db163311dd SHA-256: d41c40e7672c0e804aefea6ddb45e7ce6ab1a7d61793c91cff482d2e8e5932ec
62 Risk Score

Malware Insights

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

The PDF document contains a mass external link farm, with numerous links pointing to PDF files on various suspicious domains. The primary lure appears to be a link disguised as a game, which redirects to a PDF file. This suggests a phishing or redirection campaign aiming to lead users to malicious content hosted on these domains.

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://blackfilmcentre.org/uploads/1/3/0/5/130551714/130551714.html#juegos+de+concentracion+y+memoria+para+adultos+gratis
    • http://spreadthewings.info/uploads/1/3/0/8/130874326/sipumetuburuj.pdf
    • http://weddingplannerkona.com/uploads/1/3/1/3/131380349/a50cd8caa72cd8.pdf
    • http://plussizeweddingdressesvt.com/uploads/1/3/1/1/131163747/f843fd47.pdf
    • http://chlochmhorframing.com/uploads/1/3/1/3/131384492/6e8387d.pdf
    • http://alisha-lmt.services/uploads/1/3/0/8/130813722/4064638.pdf
    • http://healthyserenelife.com/uploads/1/3/0/7/130775897/00daa8076.pdf
    • http://yaoskitchenph.com/uploads/1/3/0/5/130590481/6072492ba4ae.pdf
    • http://sachsinsurancebrokers.com/uploads/1/3/0/8/130874179/tugepitoba.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_off00007274.bin
573aedb6afa0707b780c233a36c197fc24219f047ef6fa6a827a64d2c0a6a911		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7274 8940 bytes

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