Malicious PDF — malware analysis report

Static analysis result for SHA-256 492196f67825ed2c…

MALICIOUS

PDF

32.4 KB Created: 2020-04-13 15:33:21 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6285d4062f2676eed72a72c83c0e2371 SHA-1: c0982ea9f2ac7ad0c223945f2dc068f15bd67bf7 SHA-256: 492196f67825ed2c17ffdded596cc07fb4da14430c78ca997cca7423607e06a9
70 Risk Score

Malware Insights

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

The PDF file contains a large 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 spam operation. The presence of a 'download button' lure further supports the malicious intent of directing users to external content. 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://imaraeats.com/uploads/1/3/0/6/130621854/130621854.html#present+simple+mixed+agendaweb
    • http://naturalwellnessacupuncture.com/uploads/1/3/0/6/130621392/fiwexewoluverik.pdf
    • http://cleverandclovercloset.com/uploads/1/3/0/6/130620456/fevakefotaxaje.pdf
    • http://acraftyday.ca/uploads/1/3/0/4/130476597/d25d023019bf7d.pdf
    • http://cooleysleep.com/uploads/1/3/0/3/130312983/jijasugiras.pdf
    • http://capecove.net/uploads/1/3/0/6/130604538/gusulufemodidow.pdf
    • http://nelighyoungmensclub.com/uploads/1/3/1/3/131383456/lugimadiwixa.pdf
    • http://farmerbrownsproducts.com/uploads/1/3/0/5/130551920/1235635.pdf
    • http://sallyjenkins.com/uploads/1/3/0/4/130435905/8188322.pdf
    • http://jamaicalandoffilm.com/uploads/1/3/1/3/131384412/ec9c92b87c299.pdf
    • http://woowooarts.net/uploads/1/3/0/2/130271121/ditemizurasutim.pdf
    • http://thecartoonboon.com/uploads/1/3/1/4/131438310/tagijaf.pdf
    • http://morganmwilliams.com/uploads/1/3/0/6/130639868/pudalokuxizitiv_nafetunopud.pdf
    • http://aislingrichmond.com/uploads/1/3/0/3/130379612/totiloruzeveri.pdf
    • http://authorkimberlyhodge.com/uploads/1/3/0/7/130739001/2487967.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_off00005904.bin
3ae476875cf888b5ee23d7f08b6a4c3e304267ecdc322f838f6ca0116b9ac8d7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5904 7120 bytes

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