Malicious PDF — malware analysis report

Static analysis result for SHA-256 51eed848bf47e043…

MALICIOUS

PDF

16.6 KB Created: 2020-10-23 23:29:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: fa857f438401a006c7982481746d34ba SHA-1: ee54a46c376cee56717bec4c44ba013ec7fa3018 SHA-256: 51eed848bf47e043d6eb5471d4ceb3f02c670f5d49a9071f2a1f4b3455acbb58
92 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL which is likely intended to trick the user into downloading further malicious content. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9984

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.me/aws?keyword=corona+render+tutorials+pdf In PDF document text
    • https://cdn-cms.f-static.net/uploads/4367650/normal_5f8b6af218685.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370737/normal_5f9153ec77070.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388063/normal_5f8f5b87ee358.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0268/7382/3415/files/50549806563.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/6680/9241/files/yatharth_geeta_book_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0494/1152/2727/files/89849586982.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/463e6c5d-39ae-4f20-b566-ca18db8ebb4f/954426810.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8ef53587-94ff-4e62-b4f3-fd79aaf2c454/rodizoxomibakugepela.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/01da51a3-5168-42ae-869b-521c4f0c07b1/43176758925.pdfIn PDF document text
    • https://s3.amazonaws.com/sugaguxagu/synchronous_and_asynchronous_data_communication.pdfIn PDF document text
    • https://s3.amazonaws.com/leguvefu/ncert_environment_and_ecology_in_hindi.pdfIn PDF document text
    • https://s3.amazonaws.com/widofafane/8214877288.pdfIn PDF document text
    • https://s3.amazonaws.com/mejifavo/catalogo_cedulas_do_brasil_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/gupuso/anatomy_and_physiology_book_in_urdu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/9082/8194/files/77481315528.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0266/8694/7509/files/kexanazewu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0498/3455/7602/files/shinrei_tantei_yakumo_light_novel.pdfIn PDF document text

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