Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cfda49720065b0f…

MALICIOUS

PDF

47.1 KB Created: 2020-08-07 06:45:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 86003dff33bb8a7684fc76b79d86b78b SHA-1: 286546358916add1362ef208e3f65378ce84c653 SHA-256: 2cfda49720065b0ffb0ee760ac88abe7e20df016b17271aac09d55acbe768a46
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'javascript tutorial point pdf download' and the malicious redirector URL. This suggests the PDF is designed as a lure to redirect users to potentially harmful content, likely for phishing or malware distribution.

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.cc/pify?keyword=javascript+tutorial+point+pdf+download
    • http://files.cyrshandmade.com/uploads/1/3/0/8/130813616/6ae386d36480a10.pdf
    • http://files.hillcountryyoungmarines.com/uploads/1/3/0/8/130814397/xuletomuta-mabuworum-xawotirizotip-tegomezo.pdf
    • http://files.besedin.org/uploads/1/3/1/4/131437276/6071c2ec86.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tikodizexosuva.pdf
    • https://cdn.shopify.com/s/files/1/0434/0868/7269/files/kajuv.pdf
    • https://cdn.shopify.com/s/files/1/0440/4881/0149/files/gapejibotuzoka.pdf
    • https://cdn.shopify.com/s/files/1/0440/6099/9830/files/43419769424.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/puneson.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/21884581804.pdf
    • https://cdn.shopify.com/s/files/1/0430/8592/2466/files/24228721215.pdf
    • https://cdn.shopify.com/s/files/1/0430/2418/7549/files/49039295579.pdf
    • https://cdn.shopify.com/s/files/1/0434/1448/7190/files/bopedibabejunuposofi.pdf
    • https://cdn.shopify.com/s/files/1/0430/0197/0837/files/watch_the_avengers_online_free.pdf
    • https://cdn.shopify.com/s/files/1/0434/0780/2518/files/algorithmic_trading_basic_to_advanced_strategies.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_off00006e06.bin
2f6e2477ce1f128b03030bf6d86e0e1d965b75d20a3c1fb5331b4a82e77f517f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E06 5292 bytes
font_01_sfnt_off0000802e.bin
eb03b4bc5cb2e5807ba90804ccd24a7d34ac6ab5929ff728357d5c14a2924059		 pdf-font-stream PDF embedded font (sfnt) at offset 0x802E 15040 bytes

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