Malicious PDF — malware analysis report

Static analysis result for SHA-256 7dd8ff67685e95f5…

MALICIOUS

PDF

38.5 KB Created: 2020-05-19 01:57:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ce48d0e83055d1910c2420424e4d72b SHA-1: d4a195d71c4720e80693954edf3d0e83ebb8447e SHA-256: 7dd8ff67685e95f52897799d331572d276fcdd3979f582985a2b07a6490efd96
62 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files on various domains. This technique is often used for SEO manipulation or to distribute malicious content indirectly. No scripts were extracted from this sample, and the document body is heavily obfuscated, making it difficult to determine the exact nature of the lure. The primary attack pattern observed is the mass linking to external resources.

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://proverbs31inspired.com/uploads/1/3/0/5/130538902/130538902.html#media%252Fsociety+industries+images+and+audiences+free+pdf
    • http://jmjremodeling.com/uploads/1/3/1/6/131636965/mepokuxutozixug.pdf
    • http://phoenixtowtruckcompany.com/uploads/1/3/0/6/130640142/zirimatexapulezog.pdf
    • http://lunaleephoto.com/uploads/1/3/0/4/130489800/wikumonexepa.pdf
    • http://jlsconsulting.eu/uploads/1/3/0/7/130775537/jixewezuru.pdf
    • http://livingmydogsbestlife.com/uploads/1/3/1/8/131856669/e2d64.pdf
    • http://mathlandinc.com/uploads/1/3/0/5/130543976/tetamiturifimus.pdf
    • http://discovervirtualagencyllc.org/uploads/1/3/1/4/131437099/3577dee.pdf
    • http://phoenixmp.org/uploads/1/3/1/4/131452944/padekosonikow.pdf
    • http://coloradodachtoberfest.com/uploads/1/3/0/5/130545954/6992691.pdf
    • http://danaligt.com/uploads/1/3/0/3/130313153/megelas.pdf
    • http://theminiaturepainter.com/uploads/1/3/0/9/130969931/5442615.pdf
    • http://eagletowerfund.com/uploads/1/3/1/4/131453847/7901884.pdf
    • http://blackhoneydew.com/uploads/1/3/0/9/130969499/5503225.pdf
    • http://nord-intech.com/uploads/1/3/0/5/130590678/morovazuzagulo.pdf
    • http://momentumlifecoach.org/uploads/1/3/0/7/130739945/ladin.pdf
    • http://liveplex.live/uploads/1/3/1/0/131069762/77db717db4.pdf
    • http://potnuts.me/uploads/1/3/0/8/130814329/f7e9759eb.pdf
    • http://mckinneyroofingservice.com/uploads/1/3/0/5/130540077/6909979.pdf
    • http://elvissafeandsound.com/uploads/1/3/1/4/131437607/kiverizidevuvef.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_off00006bf8.bin
770e560b917e39856dc6912aba1c2800c84167494d4ff09cfc31dce8a5c6ca96		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BF8 10024 bytes

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