Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fb0d35d3b94f10a…

MALICIOUS

PDF

38.8 KB Created: 2020-06-02 21:42:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5096f7d68042bed083c073ccd04736f1 SHA-1: d96c39231b8e21e848b33f6a68e04f1a68775c01 SHA-256: 2fb0d35d3b94f10a6810913aebcc23b65fc98932181cbada47ee38fe4def4238
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF file contains a large number of external links, many of which point to domains that appear to be part of a link farm. The document body, though partially corrupted, suggests a lure related to motivation. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, and 'PDF_URI' confirms the presence of external URIs. These elements strongly suggest the PDF is designed to redirect users to malicious or phishing websites.

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://8128.work/uploads/1/3/0/7/130775842/130775842.html#drive%253A+the+surprising+truth+about+what+motivates+us
    • http://emeliemattholie.com/uploads/1/3/1/8/131857598/dosed-mejozapu.pdf
    • http://threekingspoultry.com/uploads/1/3/0/4/130435753/d96cb9cee641633.pdf
    • http://meetkellymcdonald.com/uploads/1/3/0/4/130476062/3951083.pdf
    • http://roussey.org/uploads/1/3/0/7/130775889/4306021.pdf
    • http://gemstonecopywriters.com/uploads/1/3/0/5/130543377/e574862b8.pdf
    • http://funtimevacations.org/uploads/1/3/1/4/131407898/fuvajok.pdf
    • http://8128.work/uploads/1/3/0/7/130775842/terms.html
    • http://8128.work/uploads/1/3/0/7/130775842/dmca.html
    • http://8128.work/uploads/1/3/0/7/130775842/policy.html
    • https://lukejif.files.wordpress.com/2020/05/1729558297.pdf
    • https://wemolugiwade.files.wordpress.com/2020/05/84302948111.pdf
    • https://vimolor.files.wordpress.com/2020/05/jaxarimutemogidinedela.pdf
    • https://revipob.files.wordpress.com/2020/06/pinirilafimena.pdf
    • https://nudademexu.files.wordpress.com/2020/05/19014232652.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_off000065bc.bin
a263fb8333779a531c56587070cf2b5839b81deb85a13a428acec0e04a1722b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65BC 14560 bytes

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