Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd0b1b3831e2d198…

MALICIOUS

PDF

37.4 KB Created: 2020-04-10 07:44:42 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 782627e9f7bdd157e0c92248e85b2a86 SHA-1: 31f8a7cd6674c23777983eede85d852b310d10eb SHA-256: cd0b1b3831e2d198a6de02c66b6b690a44b45c51223376f0fae55b764c23d806
70 Risk Score

Malware Insights

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

The PDF file contains a link farm of 10 external PDF documents, likely intended to deceive users into downloading malicious content. The document body text, though partially corrupted, includes a URL that appears to be part of this lure. The heuristic 'PDF_SEO_LINK_FARM' strongly indicates a malicious intent to distribute further payloads or lead users to phishing sites.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://technosphereinnovation.com/uploads/1/3/0/6/130620619/130620619.html#period+repair+manual+lara+briden
    • http://dralanlogan.com/uploads/1/3/0/5/130588517/pepejopawu-korifojogodeju-guduzipa.pdf
    • http://closeandpaschalauction.com/uploads/1/3/0/8/130874102/34552c1.pdf
    • http://alwaysready.pro/uploads/1/3/0/5/130541881/7371127.pdf
    • http://kinnidesigns.com/uploads/1/3/0/5/130546237/8476059.pdf
    • http://sarahjaynedesigns.com/uploads/1/3/1/3/131383297/kovaz.pdf
    • http://leatherbestyle.com/uploads/1/3/0/7/130740130/dixozew.pdf
    • http://freefromlimitation.com/uploads/1/3/1/4/131483281/zuvobujojemofoxob.pdf
    • http://musasbridal.com/uploads/1/3/0/6/130604373/xeteviguf_tatib_wiridikita.pdf
    • http://devinalmonte.com/uploads/1/3/0/6/130640175/669424.pdf
    • http://eaglesnesthomeinspectionsllc.com/uploads/1/3/0/2/130271023/e955f6bfddc2.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_off00006895.bin
b89e06b136c2ea6626a348be20a5af94c82fa6f88d9ce243e98c4d6c36a9c5b0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6895 8024 bytes

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