Malicious PDF — malware analysis report

Static analysis result for SHA-256 916cbf6a2c5ad291…

MALICIOUS

PDF

35.3 KB Created: 2020-06-07 01:02:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 788a999ec05fee3f4ab9e4b1520e6c5c SHA-1: 324ddadc10ed68fc8437cb498706ff5b8ad3975f SHA-256: 916cbf6a2c5ad2916a4c2acac717367424473d3f92d3aec99fbba5a4e1fd43c3
62 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 similarly structured URLs on different domains. The document body mentions 'Pewdiepie minecraft world download', suggesting a lure to attract users to click on these links. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, likely intended to drive traffic or distribute further payloads. The primary IOC is the first external URI found, which also contains the lure text.

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://enthrone55.pleasingfood.com/uploads/1/3/0/4/130436218/130436218.html#pewdiepie+minecraft+world+download
    • http://fingerfamilytreats.com/uploads/1/3/0/3/130323249/bowobevaz.pdf
    • http://changingspacescampaign.com/uploads/1/3/0/5/130589452/zezexebenelejowe.pdf
    • http://renewnow.me/uploads/1/3/1/4/131453871/f19678.pdf
    • http://lavaimaria.com/uploads/1/3/0/3/130323182/5229951.pdf
    • http://thoroughbredequineservices.com/uploads/1/3/0/4/130483469/6493416.pdf
    • http://stevenecooley.com/uploads/1/3/1/3/131398411/puraxenigovezan.pdf
    • http://nnkn.blog/uploads/1/3/1/4/131437780/lezosekimulefav_sojar.pdf
    • http://skyebluesalon.net/uploads/1/3/1/0/131069763/2c95f8c70041a0f.pdf
    • http://thepinkwidow.com/uploads/1/3/0/2/130287314/juguzawanexekisetuw.pdf
    • http://playahatersleague.com/uploads/1/3/2/3/132302759/1027509.pdf
    • http://mollyparizeau.com/uploads/1/3/0/9/130969760/5018733.pdf
    • http://webmail.fulfordwood.com/uploads/1/3/0/5/130539458/revokuxarikabigovosa.pdf
    • http://felicibini.com/uploads/1/3/1/4/131483197/dedixifunan.pdf
    • https://valoboxad.files.wordpress.com/2020/06/41789325526.pdf
    • https://vumovegop671400088.files.wordpress.com/2020/06/9474813532.pdf
    • https://puzedewufo.files.wordpress.com/2020/06/72806642795.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_off00005d58.bin
274fabe9c7f32f61a0b7c7ded8d16a9c75710abd4ee1352cd95c55541d86fee8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D58 10604 bytes

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