Malicious PDF — malware analysis report

Static analysis result for SHA-256 c42bfd9a8f7c7403…

MALICIOUS

PDF

35.0 KB Created: 2020-08-23 18:53:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 614971a4252865c9894bbda8dfd021b6 SHA-1: a55223ce69addee961b885ea6271d432a20222ea SHA-256: c42bfd9a8f7c740332a59b1c78de729dc00abac314e85f8e5491cd6272188256
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, 'https://ttraff.ru/pify?keyword=bora+bora+song++320kbps', is the primary indicator of malicious intent. The document body, though heavily obfuscated, also contains this URL, reinforcing the redirection attempt. The file's purpose appears to be luring the user to a malicious site.

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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 https://ttraff.ru/pify?keyword=bora+bora+song++320kbps
    • http://vebakax.glaciercitygardener.com/uploads/1/3/1/3/131384240/dewalokuvukor_kifuponunotidi_dojose_jujow.pdf
    • https://cdn.shopify.com/s/files/1/0447/9988/5463/files/sawodufudeseseviwesu.pdf
    • https://cdn.shopify.com/s/files/1/0450/7946/2040/files/kalabhairava_ashtakam_in_telugu_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/2068/9306/files/kiwidifana.pdf
    • https://cdn.shopify.com/s/files/1/0434/0174/0439/files/fundamentals_of_financial_accounting_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/1425/7820/files/tamakek.pdf
    • https://cdn.shopify.com/s/files/1/0430/1779/7785/files/vubitevekujijiko.pdf
    • https://cdn.shopify.com/s/files/1/0433/1605/2123/files/tazijotejun.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_off00004049.bin
5e282d9587e37cfcee83203b8e063461679e0303529fd39f7ccac5a3daa8ce56		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4049 5648 bytes
font_01_sfnt_off00005388.bin
7a81816ca6455a59aa864a5f8232f62fae1d473453cbbba31431b105c8680de6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5388 13552 bytes

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