Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb3084bbb8e9b60d…

MALICIOUS

PDF

70.0 KB Created: 2020-04-02 11:13:59 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7311cf3a226b1b1de13dc73199dd209c SHA-1: 66fc98c800cf5432b157b0dfd7be1b27e112141c SHA-256: bb3084bbb8e9b60db60c9325f477a2d5e4425749fddddffbbf53b5859e30ffe2
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. These links point to various domains, suggesting an attempt to manipulate search engine results or redirect users to potentially malicious content. The document body contains text related to patents, which may be a lure to disguise the malicious intent. 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://zumarock.org/uploads/1/3/0/6/130620401/130620401.html#que+son+las+patentes+en+derecho+mercantil
    • http://ncahrmm.com/uploads/1/3/0/8/130874470/4020fbf9d7a.pdf
    • http://luvlifeaz.com/uploads/1/3/1/0/131070431/ab25fd6b20a214.pdf
    • http://lilisgardenrebloomed.com/uploads/1/3/0/2/130272582/8731333.pdf
    • http://newbirthdoula.ca/uploads/1/3/0/7/130739218/jifakivumugi.pdf
    • http://tincantob.com/uploads/1/3/1/0/131069832/3c52bcc8d1.pdf
    • http://msr2mng.com/uploads/1/3/0/5/130550846/jegugiwo.pdf
    • http://michelledgregory.com/uploads/1/3/0/6/130621542/pekuzupomos_xewekozakamef_nopenejod.pdf
    • http://theweeklyoutlook.com/uploads/1/3/0/7/130775254/mifiwolazet-gesunajugumo.pdf
    • http://darkmoonastrology.com/uploads/1/3/0/3/130323516/98adbfc9db533.pdf
    • http://quvr.us/uploads/1/3/0/4/130488395/3946980.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c4ac.bin
d4385b19037b3e2b0fc94dd6991cb39d42e0f10ee3e96eeceef7edf0e24ce91d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC4AC 10388 bytes
font_01_sfnt_off0000e9d1.bin
e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE9D1 2652 bytes
font_02_sfnt_off0000f338.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF338 16036 bytes

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