MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/123?keyword=webwork+calculus+2+answers'. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to trick the user into visiting a malicious site, likely for phishing or malware distribution. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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.ru/123?keyword=webwork+calculus+2+answers In PDF document text
- https://jelamiwigu.weebly.com/uploads/1/3/1/3/131382248/9773398.pdfIn PDF document text
- https://nutarubanamu.weebly.com/uploads/1/3/4/5/134528768/medajani.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365627/normal_5f87141d950ff.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/454958aa-560e-49cc-89be-2449440c5bd2/27902504100.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cba660a6-086e-4ca4-886d-27b33c420150/77539659291.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c4695117-e77f-4611-ab32-db0acb2c08c8/likezakikaduva.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7829a3fb-8616-406f-9c4d-932367c66072/nemudefowidojive.pdfIn PDF document text
- https://s3.amazonaws.com/susopuzupure/67612235979.pdfIn PDF document text
- https://s3.amazonaws.com/kasuwevovog/great_is_thy_faithfulness_descant.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0095c14e-4c93-4e80-b434-12984a5a61b6/mirujuxu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0b4fd7a3-2ac7-4f0a-b6e6-99e5cb57affe/dawuwikivuvavugipefan.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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004268.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4268 | 5232 bytes |
SHA-256: d310922bccb1c09056aeb98909e3cfa808590c33fb690c0e6a393d00b136e39b |
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font_01_sfnt_off0000545f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x545F | 9472 bytes |
SHA-256: 80c9f670028f6b30eca869e4839054084af60e27d614f47ffd345f891e3a2ba4 |
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