MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://cctraff.ru/strik?keyword=analysis+worksheet+samples'. The ML classifier also strongly flagged this PDF as malicious. While no scripts were extracted, the embedded URL is the primary indicator of malicious intent, likely serving as a lure for phishing or malware delivery.
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=analysis+worksheet+samples In PDF document text
- https://cdn-cms.f-static.net/uploads/4372383/normal_5f89f25c3d5e9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379842/normal_5f8beb5fd25f4.pdfIn PDF document text
- https://xavoxoxuda.weebly.com/uploads/1/3/1/3/131379246/2850776.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369912/normal_5f9d469ab2fc6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372735/normal_5f92b45d7a3af.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/vonusirukete/southern_live_oak_tree_tattoo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c2ea4b24-585e-49d9-83ec-064f3e763891/physics_halliday_resnick.pdfIn PDF document text
- https://s3.amazonaws.com/tejuvonixag/oxford_dictionary_english_to_hindi_file_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0479/3132/6631/files/rose_guns_days_stage_play.pdfIn PDF document text
- https://s3.amazonaws.com/loxopudizus/saregudemidepifivesane.pdfIn PDF document text
- https://s3.amazonaws.com/bisegilupuf/genetic_engineering_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/mejawiwomak/jekabonapevizetebijas.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_off000064f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64F9 | 5308 bytes |
SHA-256: c2cf18d42a4ab2b571837912c5b512636d64581e3dddcf95a026f416de5fbe7b |
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font_01_sfnt_off000076f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76F4 | 10612 bytes |
SHA-256: 9bd81d25e142b9bba6fc62c2d26927a08ce722ebb8ed7552d5179f89a3c0d118 |
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