Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd56c5b364ef7ac4…

MALICIOUS

PDF

22.3 KB Created: 2020-03-17 17:02:38 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7e8ad3d149daa47ed19e9e1213ae9c80 SHA-1: 2df9ca4c536371b41043ea98fef6ee7ae349d96e SHA-256: cd56c5b364ef7ac4a758b84e06c0dbd8a3bd400a804532c341356739ce816e41
82 Risk Score

Malware Insights

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

This PDF is identified as an image-only lure, typical of phishing campaigns. It contains a click-outward action pointing to a remote HTML file, which in turn links to numerous other PDF files. This structure suggests a link farm or redirection mechanism to host malicious content or facilitate SEO spam. The primary IOC is the initial external URI that leads to the chain of redirects.

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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 22 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://carnivalincovington.org/uploads/1/3/0/6/130621531/130621531.html#preschool+language+scale+5+test+forms
    • http://sidestreet.com.au/uploads/1/3/0/6/130621461/wirava-xonotivigijud-dagonurukaz-salubatezed.pdf
    • http://grupounicert.net/uploads/1/3/0/9/130969026/xopepolewolewaban.pdf
    • http://northoftime.com/uploads/1/3/0/7/130775558/mijirow-tetoda-ganubexeno.pdf
    • http://googleinc.online/uploads/1/3/0/4/130491179/350b3.pdf
    • http://foodforthoughtandprofit.com/uploads/1/3/0/6/130639877/20ab88cd153.pdf
    • http://biosforza.com/uploads/1/3/0/4/130483479/ce12747.pdf
    • http://nataliekasdan.com/uploads/1/3/0/6/130604090/maxanekoru.pdf
    • http://sabaschmehlwedding.com/uploads/1/3/0/9/130969570/8219860.pdf
    • http://mx.garamchaietc.com/uploads/1/3/0/8/130813945/demavogisoj.pdf
    • http://mse265.com/uploads/1/3/0/3/130313221/c3f4018bc.pdf
    • http://adielgrace.com/uploads/1/3/0/3/130313390/258a7.pdf
    • http://londonrpas.com/uploads/1/3/0/6/130639548/xagilox.pdf
    • http://kendrickslan.com/uploads/1/3/0/7/130740465/721e3576c7ce8.pdf
    • http://teachtotransformanation.com/uploads/1/3/0/9/130969260/edf09187833ea.pdf
    • http://exploringchiangmai.com/uploads/1/3/0/8/130813698/2853580.pdf
    • http://actuallycoppingshoes.com/uploads/1/3/0/5/130539078/zovurajuto.pdf
    • http://www.artbodysoulstudios.com/uploads/1/3/0/2/130291676/gakelegefomidu.pdf
    • http://ssbi.us/uploads/1/3/0/6/130639450/7555316.pdf

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