Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0a8b0bf0ce519c7…

MALICIOUS

PDF

45.7 KB Created: 2020-08-07 23:01:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 737a12aa7770c52adf134a254b21ad66 SHA-1: b4440f7a35f96724f5bc5d887bef6c49d3ddd300 SHA-256: e0a8b0bf0ce519c7f9bfc04f75ce875695a7757d6dfe66ae900995f443fd95b6
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded links, identified as a PDF link farm. One of these links, 'https://ttraff.com/pify?keyword=alginato+de+calcio+com+prata+pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to this URL, suggesting an attempt to trick users into visiting malicious sites, likely for further exploitation or credential harvesting.

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=alginato+de+calcio+com+prata+pdf
    • http://files.the-beaver-house.com/uploads/1/3/1/6/131636792/bexax.pdf
    • http://files.carolinadancecenter.com/uploads/1/3/1/6/131636642/murenuduvurikoka.pdf
    • http://files.tiffanyarivera.com/uploads/1/3/1/6/131637043/zimavovixe.pdf
    • https://cdn.shopify.com/s/files/1/0434/1907/4712/files/clicker_heroes_hack_android.pdf
    • https://cdn.shopify.com/s/files/1/0448/9238/9531/files/toto_africa_piano_sheet_music_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/5981/4306/files/47273970960.pdf
    • https://cdn.shopify.com/s/files/1/0437/8699/3816/files/wuwekivaz.pdf
    • https://cdn.shopify.com/s/files/1/0430/6265/7177/files/madowidemasupenudixave.pdf
    • https://cdn.shopify.com/s/files/1/0432/8462/7614/files/53128055899.pdf
    • https://cdn.shopify.com/s/files/1/0429/5009/9107/files/pufutov.pdf
    • https://cdn.shopify.com/s/files/1/0436/4494/4542/files/harold_kerzner_project_management_11th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0436/9635/7530/files/pakexuvuwixedap.pdf
    • https://cdn.shopify.com/s/files/1/0428/5900/4070/files/84139801679.pdf
    • https://cdn.shopify.com/s/files/1/0433/8325/9301/files/sanomopurexi.pdf
    • https://cdn.shopify.com/s/files/1/0433/2371/9845/files/roxuxewosumejunadafisaxe.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006454.bin
71f90bc07ada97560597f8ff2bd62e3c1c198a9483ef6bbcc8fa5dbcf802959d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6454 5072 bytes
font_01_sfnt_off00007573.bin
9ca7bc2c66dfd73108f813354b604029f1d0b0ce0f100aba9aee80bd996481e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7573 11236 bytes
font_02_sfnt_off000099ef.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x99EF 4324 bytes

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