Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0da8036125d5434…

MALICIOUS

PDF

62.7 KB Created: 2020-06-13 12:56:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6d90949f1e4a8628cfaeed0d02de34d6 SHA-1: ee76040c5bb86cd0ce1e464d5703445a0482c16a SHA-256: c0da8036125d54344b01b66d726499eef67297e72aced8bd9d44f9ead5cfb4c5
62 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a large number of embedded external links, a technique often used for SEO poisoning or to redirect users to malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a likely attempt to manipulate search engine results or distribute malware through a link farm. The presence of numerous URLs pointing to various domains suggests a broad distribution effort.

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://teamrhinoup.com/uploads/1/3/0/8/130874316/130874316.html#%25D0%25BA%25D0%25B0%25D0%25BA+%25D1%2585%25D0%25BE%25D0%25B4%25D0%25B8%25D1%2582%25D1%258C+%25D0%25BF%25D0%25BE+%25D0%25BB%25D0%25BE%25D0%25BA%25D0%25B0%25D1%2586%25D0%25B8%25D1%258F%25D0%25BC+%25D0%25B2+%25D0%25BF%25D1%2580%25D0%25B0%25D0%25B2%25D0%25B8%25D0%25BB%25D0%25B0%25D1%2585+%25D0%25B2%25D0%25BE
    • http://mayasprague.com/uploads/1/3/1/0/131070992/c06b39cd8765.pdf
    • http://selfstorageofsanangelo.com/uploads/1/3/0/2/130288380/4109571.pdf
    • http://mgdesign.info/uploads/1/3/0/8/130813416/fojamakakof.pdf
    • http://dakotaadornments.com/uploads/1/3/0/3/130324350/ruvanagigukurij.pdf
    • http://maliakblake.com/uploads/1/3/0/7/130775119/593fbc82.pdf
    • http://3xz.undesirable.us/uploads/1/3/1/4/131407165/8528942.pdf
    • http://hostmaster.xlsoftfruit.solutions/uploads/1/3/1/3/131397973/ruruvebanuke.pdf
    • https://zafujuzokud.files.wordpress.com/2020/06/7087002058.pdf
    • https://nafeneda.files.wordpress.com/2020/06/21933019098.pdf
    • https://tixobumot.files.wordpress.com/2020/06/33659583768.pdf
    • https://bimirofi.files.wordpress.com/2020/06/putonunawakomunofisoxesa.pdf
    • https://wutiwewero.files.wordpress.com/2020/06/miramuduvinozukix.pdf
    • https://gerorixome653430236.files.wordpress.com/2020/06/banepimeribuxujalenowe.pdf
    • https://kutajekutune959063959.files.wordpress.com/2020/06/busefabeloxadafigoz.pdf
    • https://merefipo.files.wordpress.com/2020/06/68744503228.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_off0000bd29.bin
6637e007c9ebbcc1902ec321ff11aafdcf2f178c2a96253e89f5b68e84f947cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBD29 14740 bytes

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