Malicious PDF — malware analysis report

Static analysis result for SHA-256 a085c44d5dedebe2…

MALICIOUS

PDF

39.1 KB Created: 2020-04-06 06:22:06 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4d802da2c692e28e16f2c8302853527e SHA-1: 3b5a99f57fc343923a647d82967f5b704b3ccd32 SHA-256: a085c44d5dedebe2f5cd6239ab2619cb4259d006effeced6cf62ab7b46a20231
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or distribution mechanism. The embedded URLs and the document body text, though partially obfuscated, reinforce the presence of these external links. 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://dcveteranscoalition.org/uploads/1/3/0/6/130639270/130639270.html#runes+witches+cave+god+of+war
    • http://wildfantasycat.com/uploads/1/3/1/4/131409709/90938e59d75812b.pdf
    • http://elisabragagastronomia.com/uploads/1/3/0/6/130605044/polilivisuper_pefuwoxuxi_butarexofawes.pdf
    • http://yorkshiredigitalconsulting.com/uploads/1/3/1/3/131383549/lilerubufuvizu-wodipadifu-javimumimudafa.pdf
    • http://pof-call.net/uploads/1/3/0/7/130739002/semularenadivufod.pdf
    • http://manpaii.com/uploads/1/3/0/4/130489001/dovaf_mifajojiwofo.pdf
    • http://stonehandssculpture.ca/uploads/1/3/0/2/130289731/e2aa9c82aed416.pdf
    • http://rosieriggir.com/uploads/1/3/0/7/130740124/piwewikexujati.pdf
    • http://lasthit.eu/uploads/1/3/0/3/130313024/8563152.pdf
    • http://pareguide.com/uploads/1/3/1/4/131454731/1389516.pdf
    • http://chloeoboutique.com/uploads/1/3/0/5/130544437/9755890.pdf
    • http://reddotinvestors.com/uploads/1/3/0/4/130475932/ed2001140.pdf
    • http://protrip.cz/uploads/1/3/0/2/130289662/2321e86bbc4e173.pdf
    • http://mikepaganrealtor.com/uploads/1/3/0/4/130476161/dixosunurip.pdf
    • http://3lmboutique.com/uploads/1/3/0/9/130969714/a0006f.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_off00007115.bin
9e0bf043a02878edeed3b5e15d10523aafc696d0c624c3530ff69e5f5c3f18c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7115 7760 bytes

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