Malicious PDF — malware analysis report

Static analysis result for SHA-256 a26e61aeb3579da8…

MALICIOUS

PDF

39.7 KB Created: 2020-04-05 16:04:10 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 74c63ea8e63a59202f34612702399c1b SHA-1: c593a1275175a99755092ba10fb3d150bb56c39d SHA-256: a26e61aeb3579da83a3f66a652db3d346be13f8a968ee9661936ebb6bd048148
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 to other PDF files hosted across various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The document body contains text fragments that appear to be metadata or remnants of the generation process, rather than user-facing 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://miracleinabucket.com/uploads/1/3/0/6/130604836/130604836.html#omega+psi+phi+stepping+atomic+dog
    • http://regis360.com/uploads/1/3/0/2/130288592/8391845.pdf
    • http://ryaniii.com/uploads/1/3/0/4/130483576/5551c.pdf
    • http://burstingbarnsdesigns.com/uploads/1/3/0/9/130968925/4426294.pdf
    • http://delseronline.com/uploads/1/3/0/5/130550960/xakaru.pdf
    • http://fitbrainclub.org/uploads/1/3/0/9/130969284/019f0a6fe.pdf
    • http://jenniferannehautecouture.com/uploads/1/3/0/6/130603690/8840307.pdf
    • http://bloompreschoolseattle.com/uploads/1/3/0/3/130313024/4275341.pdf
    • http://clarendonnailsspa.net/uploads/1/3/0/4/130483844/63631.pdf
    • http://fuelbrandstrategies.com/uploads/1/3/0/3/130324315/pajix_suxudidisimix_funiperomoziva_niduvexanu.pdf
    • http://hydrowater.shop/uploads/1/3/0/5/130589218/zemuwinamotamos-zoveri.pdf
    • http://uncommonravenmusic.com/uploads/1/3/0/7/130776891/9129872.pdf
    • http://thesmarshshow.com/uploads/1/3/0/7/130740320/nekumimut.pdf
    • http://farmsteadfamilybakery.com/uploads/1/3/0/6/130640078/4136894.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_off000070ff.bin
d473bbc9d41fd6a58acf8a099afffe353800529f58d5452c4d238df5bdb2b876		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70FF 8676 bytes

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