Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae21486f7aa1def7…

MALICIOUS

PDF

45.3 KB Created: 2020-06-08 04:11:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 57a1d446a1658528942d485efdd59430 SHA-1: 4d14e97dafa353bfd5d54edf366b819cc2eec4e2 SHA-256: ae21486f7aa1def70a5d742ab7f0909610755e3c66f9888578c6828559830cb7
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF file contains a large number of external links, many of which point to other PDF files hosted on similar domains. This behavior is indicative of a link farm or SEO poisoning technique, designed to drive traffic to potentially malicious sites. The document body, though heavily obfuscated, contains references to 'temporal bone ct anatomy pdf', suggesting a lure to attract users searching for medical information. The primary intent appears to be directing users to external URLs, which could host further malware or phishing content.

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://webmail.designsbyshelagh.com/uploads/1/3/1/3/131381720/131381720.html#temporal+bone+ct+anatomy+pdf
    • http://superligenergy.com/uploads/1/3/1/6/131636855/6664834.pdf
    • http://pacificcapitalfinance.com/uploads/1/3/1/3/131398108/9729275.pdf
    • http://sitespecificevents.com/uploads/1/3/0/5/130543318/8744314.pdf
    • http://baobeitrip.com/uploads/1/3/1/4/131407892/ee4d572c93d9e.pdf
    • http://mta-sts.jhaijackson.com/uploads/1/3/0/7/130740433/kuwinutikejil_xujuradezezax_zusuzubajejelex.pdf
    • http://seasonsnc.net/uploads/1/3/0/3/130324206/xegulolip-liropuwoj-wuvat.pdf
    • http://integralmedicalholdings.co.uk/uploads/1/3/0/2/130273610/4926622.pdf
    • https://pixaxaxaluz585082879.files.wordpress.com/2020/06/39813311374.pdf
    • https://nuximozagoge.files.wordpress.com/2020/06/duxapatesuxov.pdf
    • https://getaxigafinu.files.wordpress.com/2020/06/fukebokanibexededu.pdf
    • https://xotokikip.files.wordpress.com/2020/06/47509007516.pdf
    • https://tugujaza.files.wordpress.com/2020/06/62966312526.pdf
    • https://takekagikug.files.wordpress.com/2020/06/9215238981.pdf
    • https://godenodivo.files.wordpress.com/2020/06/pusoniduvomobesumis.pdf
    • https://legidisupim.files.wordpress.com/2020/06/jeripuvezamuf.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_off000085ee.bin
0b31fac0f3e6a4aa3a71c42d05713d1f48f2de446d97c2357242dc3aee503c2a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x85EE 10476 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.