MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL 'https://cctraff.ru/strik?keyword=textbook+of+microbiology+for+dental+students+by+baveja' is directly associated with this malicious activity. The document body also contains other URLs that are likely part of the same distribution chain, suggesting a phishing or malware download attempt.
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=textbook+of+microbiology+for+dental+students+by+baveja In PDF document text
- http://joxamifi.blvdpub.com/uploads/1/3/1/4/131410952/5122731.pdfIn PDF document text
- http://lipep.mrslambsroom.com/uploads/1/3/1/4/131437252/1867971.pdfIn PDF document text
- http://vutupemo.mainecla.org/uploads/1/3/0/7/130776167/fodoxuvedi_korunefilotilaj.pdfIn PDF document text
- https://site-1041412.mozfiles.com/files/1041412/73009397096.pdfIn PDF document text
- https://site-1037024.mozfiles.com/files/1037024/47866623665.pdfIn PDF document text
- https://site-1048479.mozfiles.com/files/1048479/kazezivakize.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4677/2646/files/3327973129.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2358/0830/files/20380641153.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0484/8979/1643/files/89587099437.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000439a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x439A | 5800 bytes |
SHA-256: 24b809fffbaaedf000ffe370b1bffe6803e23306673d6d9ab302f35e6d1c24ed |
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font_01_sfnt_off00005755.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5755 | 10000 bytes |
SHA-256: bb90bc75860b0844e5599f5227a6fabd2d79b150f9c3d9586d13c3b2181d813c |
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font_02_sfnt_off000079b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79B7 | 16164 bytes |
SHA-256: ead7fd593d7f5feef6f283420e9b55f8fa4552f107c64b0063d474dd3355abd8 |
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