Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d644a2c1c0e81b0…

MALICIOUS

PDF

37.4 KB Created: 2020-04-25 19:06:29 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 2a4b076e75a9edbeed40720d629d6938 SHA-1: ffccd0f3c4ab163986b09618c97f2aa9581e6373 SHA-256: 4d644a2c1c0e81b05a3e5f0eebb98b786d612261ab8aadcda13df3e5c580fe79
92 Risk Score

Malware Insights

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

The PDF contains numerous external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or phishing attempt. The SE_INVOICE_LURE and SE_CALLBACK_LURE heuristics indicate the document's content is designed to trick users into clicking links or engaging further. The primary URL http://jfvdistribution.com/uploads/1/3/1/6/131606631/131606631.html#oregon+driver%27+s+license+format is presented as a potential lure.

Heuristics 5

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://jfvdistribution.com/uploads/1/3/1/6/131606631/131606631.html#oregon+driver%27+s+license+format
    • http://www.koamartialarts.com/uploads/1/3/0/7/130740571/mugozuketajesiw.pdf
    • http://cryptlets.xyz/uploads/1/3/1/4/131409127/nowofegivizir_giwaxo_zejolu.pdf
    • http://kiervoice.com/uploads/1/3/0/3/130323271/05f710e6fc9792.pdf
    • http://retailoriented.se/uploads/1/3/0/5/130589276/9361983.pdf
    • http://marsharussellartist.com/uploads/1/3/0/4/130483587/rusonojuwubat_demaku_virasirad_temijibubelez.pdf
    • http://tokitainc.com/uploads/1/3/1/3/131380601/nerepu.pdf
    • http://ipaintpretty.com/uploads/1/3/1/6/131636903/vefipu.pdf
    • http://artbyartlady.com/uploads/1/3/0/5/130588457/fekadaxodaba_fupunawabusipo.pdf
    • http://free2livefit2live.com/uploads/1/3/0/6/130620975/gesijije-sinamivexa-lenetutu.pdf
    • http://divinemomentstravel.com/uploads/1/3/0/5/130589100/6019204.pdf
    • http://thestarchildmanifesto.com/uploads/1/3/1/3/131384250/6198354.pdf
    • http://faithtack.com/uploads/1/3/0/5/130538869/2205300.pdf
    • http://artbyartlady.com/uploa
    • 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_off000069a4.bin
bbc3a8f1253e47aaf6a5d353d796b1f4b6b5ad442dd1947bf544e7def0b64a78		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69A4 8276 bytes

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