Malicious PDF — malware analysis report

Static analysis result for SHA-256 93be98ee2b6e6fae…

MALICIOUS

PDF

31.4 KB Created: 2020-05-14 18:48:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3bd945260f0cfe0235410a2d8e2de0fe SHA-1: 757551eee81ad50467ac2e5346dfaee44fb54638 SHA-256: 93be98ee2b6e6fae059057ebce25af6a3935cec688533eafbefe4cac37f29d2b
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links to other PDF files hosted on various domains. This technique is often used for SEO manipulation or to distribute further malicious content. No scripts were extracted from this sample, and the document body is heavily obfuscated, making it difficult to determine the exact lure. The primary indicators are the extensive link farm and the embedded URLs.

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://floridarestorativejustice.org/uploads/1/3/0/3/130323471/130323471.html#rewrite+the+stars+violin+sheet+music+pdf
    • http://igotcardid.com/uploads/1/3/0/2/130289479/4741521.pdf
    • http://kenoworldwide.com/uploads/1/3/0/8/130874533/1206815.pdf
    • http://floydcountyproductions.org/uploads/1/3/1/4/131408502/mokenomivajot.pdf
    • http://hilyardtaxidermy.net/uploads/1/3/0/5/130541744/bodarev.pdf
    • http://scrubbadubb.net/uploads/1/3/1/8/131856937/7995887.pdf
    • http://drmarcigalloway.com/uploads/1/3/0/9/130969439/7678852.pdf
    • http://growlerlake.com/uploads/1/3/1/3/131381781/5766570.pdf
    • http://sistersforsocietycorp.info/uploads/1/3/0/7/130776340/1073426.pdf
    • http://bradleyhartmanbakken.net/uploads/1/3/0/2/130271011/wabuviletate.pdf
    • http://ips3-bdpresentation.com/uploads/1/3/0/7/130776687/8398316.pdf
    • http://laurenanddom.com/uploads/1/3/0/4/130435741/bf5d0770fc47.pdf
    • http://heavenly-fathers-sun-shiners.org/uploads/1/3/1/4/131483194/jatopujopar_gunuxemom.pdf
    • http://focusdrive.net/uploads/1/3/0/9/130969340/lerojataxo.pdf
    • http://hyunwooyuk.org/uploads/1/3/0/7/130738735/lugugemuseduj_miwagix_zaropepetekifer_xarapowubose.pdf
    • http://ellapark.info/uploads/1/3/0/7/130739344/4742893.pdf
    • http://the-hemp-life.com/uploads/1/3/0/3/130379163/7c7649be8d.pdf
    • http://lorenzospizzadelivery.com/uploads/1/3/0/7/130776578/tuletotozinawi.pdf
    • http://jessupart.com/uploads/1/3/1/0/131070992/3945707.pdf
    • http://thecellatlas.org/uploads/1/3/0/3/130379182/todevekib.pdf
    • http://pacificpropertycapital.com/uploads/1/3/1/6/131606876/venidiwogudikop.pdf
    • http://loverocks.shop/uploads/1/3/0/9/130969645/2442177.pdf
    • http://mtgileadbaptistchurch.com/uploads/1/3/0/7/130776590/2760213.pdf
    • http://salescolor.nl/uploads/1/3/1/3/131398288/tapatalilepupufe.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_off000052b2.bin
f9de99a13e78e9d8c147ad550a6c684c56a10dd432db4eaf1475d0f54bbcdbfb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52B2 9244 bytes

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