Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d097bfc701fb227…

MALICIOUS

PDF

32.4 KB Created: 2020-04-17 23:00:54 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 601dce5d6e52804cb337e6fae42d63dd SHA-1: 78e7d129418650e6a5a876ac68ac18373b022e3d SHA-256: 7d097bfc701fb227e65dac68350206596a237edab416706c3ddbc39fd945362a
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or a distribution point for further malicious content. No scripts were extracted, and the document body is largely unreadable, making it difficult to determine the exact user-facing lure. The primary attack pattern observed is the mass distribution of external links.

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://priyabery.com/uploads/1/3/0/5/130551192/130551192.html#atletico+san+luis+uniforme+pirma
    • http://no-drift.com/uploads/1/3/0/6/130621784/nuvibibosem.pdf
    • http://angryhealthcoach.com/uploads/1/3/1/3/131381259/lurudijidilaziwebu.pdf
    • http://clevergirlsband.com/uploads/1/3/1/3/131379228/9818314.pdf
    • http://camptonproperties.com/uploads/1/3/1/3/131379948/sojenunutobomukew.pdf
    • http://historicallybeautiful.com/uploads/1/3/0/7/130774993/c765387fb7b5.pdf
    • http://bouncetothebeach.com/uploads/1/3/0/7/130776460/ladefobamodulen.pdf
    • http://melissacastellanos.com/uploads/1/3/0/4/130488213/ralibono.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_off000053c7.bin
981602c66f708f36a5e3aaf5027fc5ca93ffde94119fa8fefe0581657f3ccb24		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53C7 9004 bytes

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