Malicious PDF — malware analysis report

Static analysis result for SHA-256 45536090dce05f3c…

MALICIOUS

PDF

36.0 KB Created: 2020-06-22 03:53:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f635d3bd341f48d5146ed5843fcfe8f6 SHA-1: 67f25872cb18cd407ae53520719cd2e56bed7a0c SHA-256: 45536090dce05f3c9d38834b120f18d0682989758c7e47eb9de100ead132805e
70 Risk Score

Malware Insights

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

The PDF contains a significant number of external links, many of which are numerically or generically named, suggesting a link farm or SEO abuse tactic. The document body, though partially corrupted, indicates a lure related to an 'Orange county election guide' and includes a call-to-action phrase. This combination strongly suggests a phishing or redirection attempt to malicious sites.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://magicaltransport.net/uploads/1/3/1/4/131453302/131453302.html#orange+county+election+guide
    • http://katharinaundsven.com/uploads/1/3/0/5/130590461/52d0e8fae1e.pdf
    • http://thebloodisracing.com/uploads/1/3/0/7/130739049/nubupikefelom_gerilatarezo_momopagidazudut_kurit.pdf
    • http://xinpujingyulechengzaixian.br3h.com/uploads/1/3/0/5/130543979/4151858.pdf
    • http://mx.rdonmcleod.org/uploads/1/3/1/1/131164293/6878854.pdf
    • http://hostmaster.suepedley.com.au/uploads/1/3/1/3/131398380/8136161.pdf
    • http://emsdrama.com/uploads/1/3/0/3/130313786/1001936.pdf
    • http://autodiscover.hamilkerrchallenge.com/uploads/1/3/0/5/130540493/8291983.pdf
    • http://tammileeoak.com/uploads/1/3/0/6/130604332/55ea32928.pdf
    • http://childrensmuseumofnewnan.com/uploads/1/3/0/5/130589140/712d465375.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004f75.bin
1d017b418ac9800bb13d53f0cb3db87d811010b0c7ab011ff0bade78e1e89786		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4F75 4940 bytes
font_01_sfnt_off00006050.bin
f247aaddd0f395f4780e075df9019a2d6e99f92b18fbdec5736d2e553e69a445		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6050 10284 bytes

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