Malicious PDF — malware analysis report

Static analysis result for SHA-256 7cd6f70f7f8a975d…

MALICIOUS

PDF

37.1 KB Created: 2020-04-07 14:44:56 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: c732dd124dc68f33d47706ac1adf3f86 SHA-1: 84d02ac91fad489b832fad9eef4b5e18996bd500 SHA-256: 7cd6f70f7f8a975dd2df7956e989315845f46c6153906de4890d880a82600663
110 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs, many of which are part of a link farm, suggesting a phishing or redirection attempt. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document's content likely prompts the user to install a browser extension or update, a common social engineering tactic. The presence of multiple external links and the lure suggest the primary goal is to redirect users to malicious sites for credential harvesting or further malware delivery.

Heuristics 5

  • 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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://impact-active.com/uploads/1/3/0/5/130539922/130539922.html#e-mu+0404+usb+drivers
    • http://lbeckerle.com/uploads/1/3/0/5/130551475/2829860.pdf
    • http://mohammadsajjad.com/uploads/1/3/0/5/130588475/puwijofegoro.pdf
    • http://theevenbetterlife.com/uploads/1/3/1/4/131407253/79db0e73caf.pdf
    • http://bethanylutherancushing.org/uploads/1/3/0/6/130605010/koposisivefirusimat.pdf
    • http://rekacekap.com/uploads/1/3/0/7/130739371/cd7031.pdf
    • http://helpingpawstexas.com/uploads/1/3/0/2/130274301/guruxulu_kokilop_rusunazukisuni_zumoxelokomar.pdf
    • http://acleancuttreeservicellc.com/uploads/1/3/1/4/131406855/7650889.pdf
    • http://doyouartistry.com/uploads/1/3/0/5/130588295/pudatiromuboze-zorumifawifop.pdf
    • http://deardonutman.net/uploads/1/3/1/4/131483265/dateputid-xupupetumuzinif-vusenetonir-kemoxakizof.pdf
    • http://celinto.org/uploads/1/3/0/5/130545396/zafasijup.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_off0000697d.bin
db8cf0662742b1ea1b1dd3a96d74a5b50fba082fa67419a6189c2f229160086b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x697D 7768 bytes

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