Malicious PDF — malware analysis report

Static analysis result for SHA-256 266e655b09b0971f…

MALICIOUS

PDF

44.1 KB Created: 2020-08-12 00:49:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ae0c6b77d2df2361ac174b2cdc1efe93 SHA-1: de132ba239bde8f59528eca45a0f655c51b50dd0 SHA-256: 266e655b09b0971f9025158217d023909b455167b0091526b83147d45718f123
150 Risk Score

Malware Insights

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

The PDF contains numerous links, including one to a known malicious redirector at ttraff.com. This redirector is likely used to obscure the final destination of the malicious payload. The document body, though heavily obfuscated, contains the URL that likely triggered the redirector, suggesting a lure to download further content. The presence of multiple Shopify links suggests an attempt to blend in with legitimate content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • 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.
  • 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.com/pify?keyword=charismatic+leadership+advantages+and+disadvantages+pdf
    • http://files.treasuresofjoy.org/uploads/1/3/2/7/132740564/3401013.pdf
    • http://files.richardmarshall-hardy.com/uploads/1/3/0/8/130874012/32143ebc8df59d.pdf
    • http://files.starstufftravel.com/uploads/1/3/1/4/131453086/6f3694a5c7.pdf
    • https://cdn.shopify.com/s/files/1/0437/4626/3201/files/84424765321.pdf
    • https://cdn.shopify.com/s/files/1/0431/6738/3713/files/astm_a351_gr_cf8m.pdf
    • https://cdn.shopify.com/s/files/1/0435/2134/3647/files/63499686660.pdf
    • https://cdn.shopify.com/s/files/1/0435/7141/3151/files/sobukowokufusosofevorat.pdf
    • https://cdn.shopify.com/s/files/1/0429/2768/5798/files/biology_textbook_campbell.pdf
    • https://cdn.shopify.com/s/files/1/0432/2079/5556/files/makuleredokiw.pdf
    • https://cdn.shopify.com/s/files/1/0430/2507/2282/files/18692769955.pdf
    • https://cdn.shopify.com/s/files/1/0436/6372/0613/files/minecraft_tekkit_launcher.pdf
    • https://cdn.shopify.com/s/files/1/0430/1576/6177/files/kapurutelewimurisegetiz.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_off00006e6b.bin
39a1bbe74db6554310ce5f1a4166188b82cedba160bd4611d678f0d2f2d65826		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E6B 5532 bytes
font_01_sfnt_off0000811c.bin
5cb6d66be389781134878ad2a80a9dafcc29d2c71492a7b4e5cbfb9cdde65b42		 pdf-font-stream PDF embedded font (sfnt) at offset 0x811C 10088 bytes

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