Malicious PDF — malware analysis report

Static analysis result for SHA-256 41cc8846f5592b0f…

MALICIOUS

PDF

61.8 KB Created: 2020-04-05 02:41:53 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7acb60b748a8e137c27709b4afce75e9 SHA-1: 058abb8adf3b67dabd429ecab7d1eeff70073341 SHA-256: 41cc8846f5592b0f35f2d6185a2dd226d318aa07ea0988b5faaaf4a407a90d79
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to similarly structured URLs on different domains. This suggests a link farm or SEO poisoning technique designed to drive traffic to potentially malicious content. The document body, though heavily obfuscated, contains a URL that matches one of the extracted external links, indicating an attempt to direct the user to a specific resource.

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://ghosttownopertionscom.com/uploads/1/3/1/3/131398362/131398362.html#que+es+un+reportaje+periodistico+pdf
    • http://pathoflifefoundation.org/uploads/1/3/0/7/130740504/nevogumoj.pdf
    • http://sahameed.com/uploads/1/3/0/6/130621407/wudaguwebabulip-gikanirasefebu-sagogiligul-wikupazebelo.pdf
    • http://shadowhorseprodcutionsllc.com/uploads/1/3/0/6/130620843/abd77f4cfa.pdf
    • http://thefamilymatterscenter.org/uploads/1/3/0/4/130436272/2d2191.pdf
    • http://ismartcommunications.com/uploads/1/3/0/7/130775489/2206a92e19eb.pdf
    • http://bush-film.com/uploads/1/3/1/3/131398204/sebosasebeb.pdf
    • http://marcloschiavo.com/uploads/1/3/1/4/131410662/62761fa949e3b.pdf
    • http://kellyslay.com/uploads/1/3/0/5/130543653/cd04850fc2a.pdf
    • http://mccoysbuckskinlabs.com/uploads/1/3/0/7/130738603/vitifaki.pdf
    • http://bomaderrytigersafl.com/uploads/1/3/0/5/130588403/natikefutefijod.pdf
    • http://dossys.com/uploads/1/3/0/7/130739927/5640383.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_off0000c80d.bin
fe13b61c03fe6214b3e150b0881c11a4f8ec7736f51f08a1afbe47027887d9f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC80D 8968 bytes

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