Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8aec1981bfaf998…

MALICIOUS

PDF

32.9 KB Created: 2020-03-17 21:43:27 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3e0d6819918aca9652f7c813fc066860 SHA-1: 9537292ff79be057422c809a1c7dcc33b353d370 SHA-256: f8aec1981bfaf9980a8b95f2b8560fda80a4ea344077264fbaffee259ec5cbd1
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, a technique often used for SEO spam or to direct users to malicious sites. The PDF_SEO_LINK_FARM heuristic specifically identified this behavior. No scripts were extracted from this sample. The document body contains garbled text and references to 'Dometic rv air conditioner cover', suggesting a potential lure.

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://youpartyiplan.com/uploads/1/3/0/7/130739087/130739087.html#dometic+rv+air+conditioner+cover
    • http://eaglecreek757.com/uploads/1/3/0/8/130815031/6640887.pdf
    • http://afrocubanforum.org/uploads/1/3/0/7/130775529/gukan.pdf
    • http://expresoelalcaravan.com.co/uploads/1/3/0/7/130738628/godukenawepe.pdf
    • http://webmail.jomehndi.com/uploads/1/3/0/5/130589231/mukikumu_dobit.pdf
    • http://khodgkinsonbuilders.com/uploads/1/3/1/0/131070289/179c43183b863fa.pdf
    • http://www.gateway1cafe.com/uploads/1/3/0/7/130739493/pomotumetuw-musizewidasaw-zoxajanajixa.pdf
    • http://sookehomes.com/uploads/1/3/0/5/130541064/musefamixedipuru.pdf
    • http://eireneathens.com/uploads/1/3/0/5/130550731/537593.pdf
    • http://scahistoricalsociety.com/uploads/1/3/0/5/130545784/61a81d541.pdf
    • http://stephaniepereira.com/uploads/1/3/0/8/130874554/f19f9795d.pdf
    • http://www.theroverchasefoundation.com/uploads/1/3/0/6/130620781/5932411.pdf
    • http://www.intertwinedvintage.com/uploads/1/3/0/6/130639975/13dbad5e9af.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_off000059a2.bin
5aaa39e5d333aeb52b675de77f9d4258a328bc005ad0ab9708ce2fb8ef47fae8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59A2 7360 bytes

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