Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f8c888eb35dc858…

MALICIOUS

PDF

41.8 KB Created: 2020-03-13 03:03:58 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 2a1cb5114eaa19383a950c10fcb379d6 SHA-1: 3c96de16f4d4e910155c5e44497cc3bc35a52598 SHA-256: 2f8c888eb35dc85847c7653055b7b0e02ddb7c9e1b99aff64929eee3922a2328
104 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to other PDF files hosted on similar domains. This technique, identified by the PDF_SEO_LINK_FARM heuristic, is often used to distribute malware or lead users to phishing sites. The presence of the SE_PASSWORD_ARCHIVE_LURE heuristic suggests that the document may also be instructing users to open a password-protected archive, a common tactic to bypass security scanners. No scripts were extracted from this sample.

Heuristics 4

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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://jameshotelandapartments.devsite-1.com/uploads/1/3/0/6/130603874/130603874.html#lg+ac+remote+app+ios
    • http://turnheadcarwrap.com/uploads/1/3/0/5/130543364/zazotejujapigo.pdf
    • http://plumislandweavingco.com/uploads/1/3/0/3/130313145/abfab40.pdf
    • http://dromorens.com/uploads/1/3/0/4/130489343/sapimilanex.pdf
    • http://catterybansit.nl/uploads/1/3/0/5/130588625/ab06f128.pdf
    • http://pwsicecream.com/uploads/1/3/0/6/130621516/477f1dff.pdf
    • http://anamplifiedlife.net/uploads/1/3/0/7/130740536/xovuvosezaxaraxazafu.pdf
    • http://mumujojo.com/uploads/1/3/0/2/130288909/sisevug-xorekebosolivi.pdf
    • http://www.windwardsteam.com/uploads/1/3/0/5/130540186/kuvagatusu.pdf
    • http://southcrestuniversityministry.org/uploads/1/3/0/3/130323449/439093.pdf
    • http://eastonkclothing.com/uploads/1/3/0/9/130969003/zunuvoxavejufas_dapapuwatusuw.pdf
    • http://transformingbunburyswaterfront.com/uploads/1/3/0/7/130738939/damaribugalizamefov.pdf
    • http://dianehenning-luce.com/uploads/1/3/0/5/130590678/7604323.pdf
    • http://myflicktv.com/uploads/1/3/0/6/130640023/7722475.pdf
    • http://www.divetechnical.com/uploads/1/3/0/3/130380002/mipiditidurebug_kazabu.pdf
    • http://hostmaster.foto-langendorf.de/uploads/1/3/0/5/130542968/woketiliguxupopaxu.pdf
    • http://whichstack.com/uploads/1/3/0/3/130323547/9210345.pdf
    • http://nokidszeroworries.com/uploads/1/3/0/2/130292007/wajaxe.pdf
    • http://www.goodolbuy.com/uploads/1/3/0/7/130739510/a3c5932b472.pdf
    • http://rachaelmaephotography.com/uploads/1/3/0/7/130775862/4367619.pdf
    • http://glycogum.com/uploads/1/3/0/8/130873779/9337512.pdf
    • http://hostmaster.audeme.com/uploads/1/3/0/3/130313414/ziguvotu_zotowovifezame.pdf
    • http://inventionk.com/uploads/1/3/0/7/130776102/d20570281.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_off00007afc.bin
f26d13de1ae8c8d56a9d56b834e2d6dfc33b45e8d7064cafd59e5d7ee02d6474		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7AFC 7868 bytes

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