Malicious PDF — malware analysis report

Static analysis result for SHA-256 4797e73ecf13ccf7…

MALICIOUS

PDF

33.2 KB Created: 2020-03-27 10:05:42 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5200e93dc1b513c78bc690738e2a091e SHA-1: 5dfc1d05b648f77c8ba3283dbed36290acf8a241 SHA-256: 4797e73ecf13ccf7010a7deb94e397ba6a31e8d6a5d30127f52abd8ea486d772
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are numerically or generically named and hosted on unrelated domains, indicating a link farm or SEO spam tactic. The document body, though partially corrupted, contains references to 'Kenmore vacuum repair manual' and 'wkhtmltopdf', suggesting a lure to trick users into visiting these sites. The presence of numerous external links points towards a malicious intent to redirect users to potentially harmful content or phishing pages.

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://alphadogs187.com/uploads/1/3/0/7/130740017/130740017.html#kenmore+vacuum+repair+manual
    • http://embroidesign.net/uploads/1/3/0/7/130738902/3155750.pdf
    • http://manbookhandbook.com/uploads/1/3/0/6/130640031/2205566.pdf
    • http://htxheli.com/uploads/1/3/0/2/130271080/varagujorokexi.pdf
    • http://trigamedesign.com/uploads/1/3/0/5/130588288/6976310.pdf
    • http://thegeorgiaquailhunt.com/uploads/1/3/0/7/130775747/1345164b6.pdf
    • http://www.everythingdmvradio.com/uploads/1/3/0/2/130289453/8de84b8e.pdf
    • http://safetyhucs.org/uploads/1/3/0/6/130639958/vulikavibesikimadibi.pdf
    • http://www.dannyderrick.com/uploads/1/3/0/2/130288811/c8c54e17e.pdf
    • http://tnconcealedcarry.com/uploads/1/3/0/7/130738831/nakuxuminofopi-betoz-zutemusakal.pdf
    • http://www.charlottetrolley.org/uploads/1/3/0/5/130542964/vamowesag-soleb.pdf
    • http://medicalmalpracticegeorgia.com/uploads/1/3/0/8/130814492/naxexugarowavi.pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006265.bin
55cbea9b716e6857be2b0d67512f75ac18ad27139fe8b9e0e624bf949f7f43fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6265 7400 bytes

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