Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d000b7a40d3b945…

MALICIOUS

PDF

35.3 KB Created: 2020-06-07 02:51:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 75a8f214dd79a5de6210956a50870c13 SHA-1: d96c14d65a33b238674d1bbb13dcf165e50cf37a SHA-256: 3d000b7a40d3b945c0ca7b3aa3a4975ea73b83d14309ce81d9ff546ca80fcfcf
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 are hosted on domains that appear to be part of a link farm. The document body, though partially obfuscated, contains text related to a 'Vauxhall insignia 2.0 cdti workshop manual', suggesting a lure to entice users to click on the embedded links. The heuristic 'PDF_SEO_LINK_FARM' strongly indicates a malicious intent to redirect users to potentially harmful content. 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://1qy.undesirable.us/uploads/1/3/0/2/130270832/130270832.html#vauxhall+insignia+2.0+cdti+workshop+manual
    • http://uk-track-help.co.uk/uploads/1/3/0/4/130483142/ad0322a.pdf
    • http://mail.stuckonwords.com/uploads/1/3/0/6/130639054/3000913.pdf
    • http://the-sunflower-queen.com/uploads/1/3/0/6/130639709/2421884.pdf
    • http://thunderheadcafe.com/uploads/1/3/0/2/130289241/vedaj.pdf
    • http://mintofarm.ca/uploads/1/3/0/4/130436162/4211490.pdf
    • http://tranquilityhilllodge.com/uploads/1/3/0/6/130639093/monamedutuj_jipazose.pdf
    • http://mrshowtimeexpressllc.com/uploads/1/3/0/2/130287441/tafapedada-kinekoro-daketuxexonox.pdf
    • http://instructeurstraining.com/uploads/1/3/0/5/130588627/gopawuvopopoz_nozebadugoli_lonifijaz.pdf
    • http://airporti10businesspark.com/uploads/1/3/1/8/131857315/3335483.pdf
    • http://mail.stuijvesant.be/uploads/1/3/0/6/130639311/5338385.pdf
    • http://branchingoutadvocates.com/uploads/1/3/0/6/130639703/9418336.pdf
    • http://colasysllc.info/uploads/1/3/0/7/130738625/zozemuvalijeranetu.pdf
    • https://raxoxatubu.files.wordpress.com/2020/06/mixono.pdf
    • https://todufedok.files.wordpress.com/2020/06/42950085662.pdf
    • https://vogupiboje.files.wordpress.com/2020/06/komowudek.pdf
    • https://numowikabap.files.wordpress.com/2020/06/lusif.pdf
    • https://xuwafudigele.files.wordpress.com/2020/06/modadiwekarozaku.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_off00005b9e.bin
6544fb81ce1f2cb496312810c8f11b40a9590a2a419e29e1ea16e3606904f9be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B9E 10700 bytes

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