Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd26b7f839b68b10…

MALICIOUS

PDF

35.8 KB Created: 2020-06-05 16:33:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4099124e0b23dd3419da42c113f108cb SHA-1: f82595aa87254f6151f48c219f4eb9e52083d2ff SHA-256: cd26b7f839b68b10ada6b7613f67c4c83ca179914ca746d11801cae857f3413b
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are hosted on domains that appear to be part of a link farm. The document body mentions 'P90x free download', suggesting a lure to trick users into clicking these links. The heuristic 'PDF_SEO_LINK_FARM' indicates a high volume of generated SEO links, reinforcing the malicious intent of distributing links to potentially harmful content. No scripts were extracted from this sample.

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://rv1.voyagerwebsites.com/uploads/1/3/0/6/130605325/130605325.html#p90x+free+download
    • http://foobur.com/uploads/1/3/0/4/130483086/narukabazipe.pdf
    • http://pamelacote.com/uploads/1/3/0/8/130813997/5674499.pdf
    • http://orlandoflweddingphotographers.com/uploads/1/3/0/4/130483204/27266fd0.pdf
    • http://choclity.com/uploads/1/3/0/3/130379319/2266851b480cf4.pdf
    • http://mta-sts.mx.wallingfordanddidcotosteopathy.com/uploads/1/3/0/6/130621125/nubusixinutexijopawo.pdf
    • http://kdv-kidshome.nl/uploads/1/3/1/3/131398117/xibesesafomirox.pdf
    • http://eurythmy-at-home.com/uploads/1/3/0/7/130740097/fotoxot-xoxokor-powitisesemozi.pdf
    • http://pro360security.net/uploads/1/3/1/8/131856257/59690.pdf
    • http://do-protect.com/uploads/1/3/1/4/131453539/norufuvixidoril_jukadotixu_wopuz.pdf
    • http://74-123-75-166.mgwnet.com/uploads/1/3/0/5/130540619/xavesavizitegagugofa.pdf
    • http://twofatolives.com/uploads/1/3/0/6/130604780/d3a3a5bc26cc9af.pdf
    • http://rv1.voyagerwebsites.com/uploads/1/3/0/6/130605325/terms.html
    • http://rv1.voyagerwebsites.com/uploads/1/3/0/6/130605325/dmca.html
    • http://rv1.voyagerwebsites.com/uploads/1/3/0/6/130605325/policy.html
    • https://wukajex634484872.files.wordpress.com/2020/06/62397761575.pdf
    • https://zapagupita.files.wordpress.com/2020/06/nikitosalusexogen.pdf
    • https://dulibigimum.files.wordpress.com/2020/06/940211098.pdf
    • https://kebesunaxi.files.wordpress.com/2020/06/1207897113.pdf
    • https://dakisil.files.wordpress.com/2020/06/pepejofarodavumatoti.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004e50.bin
16fa0231369ea446dba157f46d3dd059256bd4fbe5157d3f3413d8762d9934f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E50 9224 bytes
font_01_sfnt_off00006e26.bin
c988415812f594187b0a0ed75dc52802e798e1695b49bd300f8412a65040a449		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E26 16204 bytes

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