Malicious PDF — malware analysis report

Static analysis result for SHA-256 02d9052d0a312e76…

MALICIOUS

PDF

42.2 KB Created: 2020-11-09 11:21:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: fef5a023fd52ad4f8fbba039d9141862 SHA-1: 80e3ddc6a4b961bb61b858fea6a2584d80361ce0 SHA-256: 02d9052d0a312e764834c32533f977f15a9f76ce5c10ccdbd506f6414dd0f7fa
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded link to the known malicious redirector infrastructure at `https://traffine.ru/aws?keyword=walt+disney+leadership+quote`. This indicates the document is likely a lure designed to redirect users to a malicious site, potentially for phishing or malware delivery. The ML classifier also strongly flagged this PDF as malicious.

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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://traffine.ru/aws?keyword=walt+disney+leadership+quote In PDF document text
    • https://cdn-cms.f-static.net/uploads/4402951/normal_5f9d0e0d7a864.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476566/normal_5fa8bd299100d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368998/normal_5fa8e176ddf3d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368468/normal_5fa07cc8c8748.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366339/normal_5f8cc930a2dd7.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/11d37c3a-1bc3-4bf5-8d9a-fd0ec398c08a/17460340968.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/55d84cc6-6c80-4749-a53f-8ea358672d54/mijonasurolawujuja.pdfIn PDF document text
    • https://s3.amazonaws.com/mijedusovineti/tusegof.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1eb58029-6006-4351-923d-c5815eef79c6/conan_exiles_ymir_armor.pdfIn PDF document text
    • https://s3.amazonaws.com/negonanopix/apk_minecraft_free_download_windows_10.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/39709ab3-5061-402a-8c2a-09adef5cc671/53925313218.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1b4063a2-18d3-40c7-8fe2-62b42f158b69/13632672062.pdfIn PDF document text
    • https://s3.amazonaws.com/sojaxub/posogudinew.pdfIn PDF document text
    • https://s3.amazonaws.com/zikeko/33217722392.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/040a0bea-83e6-419b-a93b-68daee64de36/yamaha_g22_gas_golf_cart_wiring_diagram.pdfIn PDF document text
    • https://s3.amazonaws.com/febopa/14451495641.pdfIn PDF document text
    • https://s3.amazonaws.com/gagagakigibapo/soa_exam_fm_study_guide.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000066fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66FD 5288 bytes
SHA-256: e65b992c41854dc6bec5a46c814e9ce40a16631253a29ff40fd00ebe1784d5ef
font_01_sfnt_off00007902.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7902 10284 bytes
SHA-256: 71b8c22f51d73507e6bee81c91493ef4ae13141f01a44b7ec96f98dd5083f54a

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