Malicious PDF — malware analysis report

Static analysis result for SHA-256 d145ecef8f8a5710…

MALICIOUS

PDF

37.2 KB Created: 2020-04-13 01:51:02 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 93e1522812994c2bf8ae3b4d6cd326a6 SHA-1: 05af914ebb9623bfeb5ccef466be150d3acb9636 SHA-256: d145ecef8f8a5710ca6e8c90242cd243a4c14cf855e5f744d0376e2e94adf10a
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, many of which are dynamically generated and point to unrelated domains, indicating a link farm for SEO manipulation or to host malicious content. One specific URL, 'http://allamericanhandyman.org/uploads/1/3/0/6/130639136/130639136.html#cuisinart+coffee+keurig+maker+recall', is directly embedded and suggests a lure related to a product recall. 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://allamericanhandyman.org/uploads/1/3/0/6/130639136/130639136.html#cuisinart+coffee+keurig+maker+recall
    • http://mypccabenefits.com/uploads/1/3/1/1/131163917/wavaraxagabu-tanuwazujew-bigovu-danafinu.pdf
    • http://portlandwhiskeycompany.com/uploads/1/3/0/5/130538994/e9642b720de66a1.pdf
    • http://juliespetals.com/uploads/1/3/0/7/130775677/f362270fc36d637.pdf
    • http://vortexwaterproofing.com/uploads/1/3/0/6/130620423/db6bd73b1e8b.pdf
    • http://beelerinsgroup.com/uploads/1/3/1/4/131483547/7590972.pdf
    • http://okcyardcards.com/uploads/1/3/0/7/130740357/wesusopubofowuxar.pdf
    • http://scrappingfairy.com/uploads/1/3/0/5/130539108/3906444.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_off00006af6.bin
28cea9761b0ef1b3c0ab892f3823c9d8b633bcebc2b0cab9b021f7c80b9c86be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AF6 7784 bytes

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