MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector infrastructure, indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The embedded URL, 'https://cctraff.ru/strik?keyword=the+allyn+and+bacon+guide+to+peer+tutoring+pdf', is the primary indicator of malicious intent. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the same URL, suggesting a lure to trick users into clicking the malicious link.
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://cctraff.ru/strik?keyword=the+allyn+and+bacon+guide+to+peer+tutoring+pdf In PDF document text
- http://files.aristotelisd.com/uploads/1/3/0/7/130739398/puremiziguj.pdfIn PDF document text
- http://files.excelfitnesscenter.net/uploads/1/3/0/7/130775431/nidufibefetob-tawawix.pdfIn PDF document text
- http://kanofuf.uniontownartclub.org/uploads/1/3/0/7/130739974/c38b0dcec15636.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/9aef047d-b670-4e9b-9754-40db2d849d82/zukazikulerugapomutevubug.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2be6dab2-8853-4159-ab56-b85f03789492/84550154876.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/99c4894d-270d-4ed2-84ae-097eb115ec1d/6567559317.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a7a84bdf-8e0d-4ced-a251-cc94f106f76d/jomaxelozobuvivukitiberi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8e1d5e5c-fba6-4076-80b7-cccabe954603/silibajumikabafokifa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2839/7732/files/chocolat_cell_phone.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f8be2e0d-f113-434f-9bef-c77fc664b36a/27491790198.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d4056282-5bbc-4544-b550-fc137053ec10/sifoxevosokojet.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_off00005952.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5952 | 5428 bytes |
SHA-256: daee5fe427670d0655f3dcd7677c4ef703f7b62db037fcadae243df02073a56c |
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font_01_sfnt_off00006bc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BC8 | 10256 bytes |
SHA-256: 61b308c49b1ee719bd4e54a3495abacd2a836f0abccdcd791001209f2ce8e791 |
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