Malicious PDF — malware analysis report

Static analysis result for SHA-256 97be4d4069fdd20c…

MALICIOUS

PDF

45.2 KB Created: 2020-04-05 11:48:55 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 28b5250f72ea6d1c840000d399901e52 SHA-1: 6a507ccccba1dcb7f9a5c173475e2cd1481a6f87 SHA-256: 97be4d4069fdd20c3e8afd0ad5583b7eab0401df8ea6b5573ea5f3a01f76623e
72 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or SEO manipulation tactic. The presence of a 'download button' lure further supports the idea that the document is designed to trick users into navigating these links. No scripts were extracted from this sample.

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://artforahome.com/uploads/1/3/0/4/130483848/130483848.html#advantages+and+disadvantages+of+just+in+time+production+system
    • http://imaginehealed.com/uploads/1/3/0/6/130603959/4444578.pdf
    • http://cakespinners.info/uploads/1/3/0/6/130621772/nifiketigana_sajupezolab.pdf
    • http://lficd.com/uploads/1/3/1/3/131383854/fojekowinesawijeg.pdf
    • http://summitatrailroadsquare.com/uploads/1/3/0/4/130435762/ruwojijawekizo.pdf
    • http://wgacupuncture.com/uploads/1/3/1/4/131438348/kiwomusizamuxo.pdf
    • http://jawsuit.com/uploads/1/3/0/6/130621709/lanamusomexux_bobepabageb.pdf
    • http://shanellandaaron.com/uploads/1/3/0/9/130969879/2181214.pdf
    • http://rifugiovallegrande.biz/uploads/1/3/0/6/130621665/sijunufogo-wuzudad-pefimufimu-bitokojemimezev.pdf
    • http://whitlockintl.com/uploads/1/3/1/3/131381539/2456244.pdf
    • http://frequencygatherings.org/uploads/1/3/0/2/130289270/bce54ff5712e.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_off0000889d.bin
4f6807c7e0be95ff3ac2ed8e6c047e944bef8617fe7ec776320222fb9cee711e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x889D 7928 bytes

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