Malicious PDF — malware analysis report

Static analysis result for SHA-256 2662f4292dc06158…

MALICIOUS

PDF

46.0 KB Created: 2020-04-15 09:03:27 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 485bc356763ca99c6a0d44b6a15fe711 SHA-1: b9090f0da07cb160b0e3307496d131994235ed51 SHA-256: 2662f4292dc061583c5e979e7c859b59e7e42cdbc928f7f0ebecd583727d9623
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many pointing to domains that appear to be part of a link farm. The document body, though heavily obfuscated, contains a URL that is also present in the heuristics. This suggests the primary purpose is to redirect users to potentially malicious or SEO-abused content hosted on these external domains. 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://rgsconsultations.com/uploads/1/3/0/8/130873983/130873983.html#viewmodel+in+android+tutorial
    • http://cdconline.store/uploads/1/3/1/4/131406453/vijesutotoz.pdf
    • http://canadianproperty101.com/uploads/1/3/0/7/130739433/9594c96.pdf
    • http://coastalvapers.com/uploads/1/3/1/6/131606256/2700453.pdf
    • http://gwencampbellandassociates.com/uploads/1/3/0/9/130969945/jajawalurofak.pdf
    • http://massagechairoutlet.net/uploads/1/3/0/8/130813769/jevodojixerejaxade.pdf
    • http://caremanagementgroupllc.com/uploads/1/3/0/7/130775465/e12eaa61db717.pdf
    • http://fixmyscrubber.com/uploads/1/3/0/6/130621596/muzedida.pdf
    • http://cardiganriverllc.com/uploads/1/3/0/4/130483766/9120427.pdf
    • http://looneybabies.com/uploads/1/3/0/3/130324136/7156192.pdf
    • http://goeppingercapital.net/uploads/1/3/0/5/130545484/695706.pdf
    • http://pipyritinsure.com/uploads/1/3/0/6/130621211/7fc9a55fc8b.pdf
    • http://arisilbermann.com/uploads/1/3/1/4/131437454/bd1d0a3.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006c4b.bin
69ab34c06703e3276b965dcabee20431a03b15b30d35b9576cfde59d6cab24be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C4B 7968 bytes
font_01_sfnt_off00008b41.bin
aca4435cccc0d9c36164fed8683cc2dea1c82fd86838c84cec1761011f42cfd2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B41 2640 bytes
font_02_sfnt_off000096a2.bin
af5193c642abb2986cbeecb071c0b51ace5d8717fe1e5272765f708e3aba17ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x96A2 17216 bytes

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