Malicious PDF — malware analysis report

Static analysis result for SHA-256 2595924bcc08101d…

MALICIOUS

PDF

38.4 KB Created: 2020-04-06 10:27:35 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: feabd3c7dd1c324695edc23e66dbe02b SHA-1: eeb16964fd8d547f7e1ba059f9f3f9ac549670ee SHA-256: 2595924bcc08101da02124d69d4f3357812118654d387b5328c978dda02a2347
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body also contains a link to 'http://malibuevents.org/uploads/1/3/1/3/131380263/131380263.html#the+witcher+books+1st'. This suggests the primary purpose is to redirect users to a network of websites, likely for SEO spam 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://malibuevents.org/uploads/1/3/1/3/131380263/131380263.html#the+witcher+books+1st
    • http://reccomms.uk/uploads/1/3/0/6/130621895/da028.pdf
    • http://nashtyweekend.com/uploads/1/3/0/7/130775536/gijogixinadupu.pdf
    • http://zwingervomtraumfaenger.com/uploads/1/3/1/3/131380251/wamusapedip-wupadajidobedik-megepupalup-vemal.pdf
    • http://plumbersmcdonough.com/uploads/1/3/0/7/130775692/tokipewamigo.pdf
    • http://acl-company.com/uploads/1/3/0/8/130873921/5198096.pdf
    • http://engagemoremedia.com/uploads/1/3/0/7/130775850/zotezurut.pdf
    • http://thenxtblog.com/uploads/1/3/0/3/130324207/rebudalezupo.pdf
    • http://craftychics.org/uploads/1/3/0/6/130640116/muloxapezoregofo.pdf
    • http://reclamationhomefurnishings.com/uploads/1/3/0/2/130287973/kilasarozariku.pdf
    • http://spiritofmassachusettsrestaurant.com/uploads/1/3/0/6/130603818/muzib.pdf
    • http://camphopeless.io/uploads/1/3/0/7/130739062/f7e804d7d17e97d.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_off00006d70.bin
d125ebc765c90bc26a3b3f575ce0a69e87e28b5aa0bd63ca1a9bef431036642e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D70 7616 bytes

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