Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d96ea015cd0a359…

MALICIOUS

PDF

55.1 KB Created: 2020-07-28 17:49:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6102a72720a0a28d63d3bbd83ea0a12b SHA-1: cb8dc416d36ea7e498f26ba2f4bdf2b3bd085fb4 SHA-256: 9d96ea015cd0a359110cff05ca30b077ab2ea3aa1ffaed4fe7cb32b8dfe051e2
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one heuristic specifically identifying a malicious redirector at 'ttraff.com'. Another heuristic indicates a mass external PDF link farm, with 'cdn.shopify.com' being a dominant host. The document body, though heavily obfuscated, appears to be a lure related to a book title, suggesting a phishing or malware delivery attempt.

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=el+anarquista+y+otros+relatos+pdf
    • http://files.hungerfightersoregon.org/uploads/1/3/1/0/131071277/vozepamijujusi.pdf
    • http://files.hazelrosegibson.com/uploads/1/3/1/6/131606325/lewazosuzepodawud.pdf
    • http://files.jariosvega.com/uploads/1/3/0/7/130775672/acde0.pdf
    • https://cdn.shopify.com/s/files/1/0430/3529/5905/files/dekodip.pdf
    • https://cdn.shopify.com/s/files/1/0436/6237/7113/files/nalotis.pdf
    • https://cdn.shopify.com/s/files/1/0433/2371/9845/files/xusupolevuliminogolikeba.pdf
    • https://cdn.shopify.com/s/files/1/0429/9931/6639/files/88100650077.pdf
    • https://cdn.shopify.com/s/files/1/0433/6946/3959/files/ribukimetarokavuvudemafo.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/3785448733.pdf
    • https://cdn.shopify.com/s/files/1/0434/5013/8784/files/zolotidisaxosa.pdf
    • https://cdn.shopify.com/s/files/1/0433/1392/2206/files/filenugivox.pdf
    • https://cdn.shopify.com/s/files/1/0435/0319/0181/files/wipinidasasopemuj.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/
    • https://cdn.shopify.com/s/files/1/0433/6946/3959/files/ribukimetarokavu

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007b99.bin
bebbce3c87d13cb3e26f5657a00c74374522a550fa910f76b1cc8ab243807d9a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B99 5104 bytes
font_01_sfnt_off00008cff.bin
4b509282131fd9e4a1469306b28cb49a923f3200c231789adb598c433e112531		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8CFF 1980 bytes
font_02_sfnt_off000095d7.bin
77aab6fc0333f52d9b85a972a8d8391130e29632f97d710754f361fd086e42ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x95D7 10808 bytes
font_03_sfnt_off0000b94f.bin
7186dee91f03ca8da3905a8f70552699c0601a825ad8e1fd8774930d369dcbc9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB94F 16224 bytes

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