Malicious PDF — malware analysis report

Static analysis result for SHA-256 794bc4f249c8bdce…

MALICIOUS

PDF

46.6 KB Created: 2020-06-05 20:59:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7fbb9185f6717e6179114fdcc9cce8e9 SHA-1: 426f826f963863fe0942b18761ba14a07820b0cc SHA-256: 794bc4f249c8bdce0274f19f0f306b3ced81ce88aa1d72efd9f001b636e072d9
62 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which are hosted on newly registered domains and appear to be part of a link farm. The document body, though partially corrupted, suggests a lure related to 'Les Misérables' and includes a URL that points to a potentially malicious domain. The primary intent appears to be directing users to these external sites, likely for SEO manipulation or to host further malicious content.

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://1l5.undesirable.us/uploads/1/3/0/9/130969751/130969751.html#contr%25C3%25B4le+de+lecture+les+mis%25C3%25A9rables+4
    • http://christophercameronstudios.com/uploads/1/3/0/2/130288722/fijidiliful.pdf
    • http://sewingtheseeds.net/uploads/1/3/1/6/131606241/bofexutesilanem.pdf
    • http://giftguyde.com/uploads/1/3/1/6/131637830/gesilabanej.pdf
    • http://mgrsti5539j.seamlesstech.biz/uploads/1/3/0/2/130271068/gigijomaj.pdf
    • http://hopeforhispaniola.com/uploads/1/3/0/9/130969627/ruxixopex.pdf
    • http://bbqlowell.net/uploads/1/3/0/4/130435556/galegemodev-patadurud-fokefom.pdf
    • http://rivendellgoldens.com/uploads/1/3/2/3/132302921/zoboj_gitetiporetekek_fomefotalik.pdf
    • http://mail.arcmowercounty.org/uploads/1/3/0/7/130776611/pidegakapozafavatobe.pdf
    • http://1l5.undesirable.us/uploads/1/3/0/9/130969751/terms.html
    • http://1l5.undesirable.us/uploads/1/3/0/9/130969751/dmca.html
    • http://1l5.undesirable.us/uploads/1/3/0/9/130969751/policy.html
    • https://jesebenoj.files.wordpress.com/2020/06/44494946467.pdf
    • https://xixajod865448635.files.wordpress.com/2020/06/52412628945.pdf
    • https://befevimupa.files.wordpress.com/2020/06/xamerasiseno.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_off000086a5.bin
ee829c251b0bf469d843cadf74ed0828e390bc2a6bc8bd64b1562a18e0082f1f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x86A5 12128 bytes

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