Malicious PDF — malware analysis report

Static analysis result for SHA-256 cdc9e00de874015d…

MALICIOUS

PDF

35.9 KB Created: 2020-06-14 12:07:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 875173eabcc69a21a2b5c37db07b45fe SHA-1: 6b5b0c0a96ef7914e5a32d7a8bd849746cf91b4f SHA-256: cdc9e00de874015d4e8576fcf1bf39d14cbf9254b74154dfea641aa335ffcbc0
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 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 a distribution mechanism for further malicious content. The document body, though heavily obfuscated, also contains some of these URLs. 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://hootnanniegame.com/uploads/1/3/0/7/130775820/130775820.html#river+island+mens+shirt+size+guide
    • http://mta-sts.mail.harringtonstreetgallery.com/uploads/1/3/1/1/131164573/6220332.pdf
    • http://atribecalledhern.com/uploads/1/3/0/7/130775567/lomuwibales.pdf
    • http://susiemann.com/uploads/1/3/1/4/131452947/5882519.pdf
    • http://drakonblustudios.com/uploads/1/3/1/4/131454394/e94f5c3b8cb4a.pdf
    • http://4w.undesirable.us/uploads/1/3/1/4/131438234/valutipasedadiw.pdf
    • http://proteus-mrighifu.net/uploads/1/3/1/3/131380604/suruj_befewafotol_meselonebojaf.pdf
    • http://barbedwirestudio.net/uploads/1/3/0/8/130813635/fazonupegifivat_fakazogo.pdf
    • http://centagonhr.com/uploads/1/3/0/5/130589360/xujaguwiwepaxus_nagate.pdf
    • http://webdisk.happyfamilyhealthyhome.com/uploads/1/3/0/7/130775393/454867.pdf
    • http://hostmaster.cystitiscure.co.uk/uploads/1/3/0/7/130774999/3d30d51.pdf
    • http://riazzis.com/uploads/1/3/0/7/130740242/wugivezubisodalekoju.pdf
    • http://zond.com.au/uploads/1/3/1/3/131381782/fobuxu-lolurisojibid-xeturedado.pdf
    • http://philsheridanstudio.com/uploads/1/3/1/3/131381612/jorifidokoxasoren.pdf
    • http://rachelsbakehouse.com/uploads/1/3/0/4/130483273/fikorisini_lizunuwef_xebiwinuz.pdf
    • https://rolabetupi.files.wordpress.com/2020/06/litabuj.pdf
    • https://wurumopo.files.wordpress.com/2020/06/sajeli.pdf
    • https://xekakir790276190.files.wordpress.com/2020/06/10910969794.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_off00005d5d.bin
78650a26588b2997026954ed6182d19aaf5532bb6a435e4bca474dc16a878c28		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D5D 10748 bytes

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