MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a deceptive title 'Frog dissection guide answers' to entice users to click on embedded links. The primary link, 'https://ttraff.link/wix?keyword=frog+dissection+guide+answers', is identified as a malicious redirector. The document also hosts a large number of other PDF links, suggesting a link farm for SEO manipulation or further distribution of malicious content. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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.link/wix?keyword=frog+dissection+guide+answers
- http://files.mybodyofknowledge.net/uploads/1/3/0/8/130813731/xopov.pdf
- http://files.mrragersblog.com/uploads/1/3/0/7/130739810/wotasa-ranatusesafefi.pdf
- http://tiwiwof.tiadaghtonvalleyrr.com/uploads/1/3/0/7/130775778/3612400.pdf
- http://velav.708boutique.com/uploads/1/3/1/4/131406592/busadexetagi-zopogi.pdf
- http://files.unidadepastoral.com/uploads/1/3/1/4/131437351/195585ef.pdf
- https://8c35c801-d1a1-4870-a0fa-56aa2a8f19c6.filesusr.com/ugd/4ae4db_f88181f2a6c7480faac5311469dadf7c.pdf?index=true
- https://ddb8ec48-9825-41ef-b3ff-6b2fdc75991d.filesusr.com/ugd/f6a907_9f7ce1fb22da49dd94b4f1d1cb89a21e.pdf?index=true
- https://da56c377-c5a7-4e13-85a7-9d70d4caded1.filesusr.com/ugd/3bca44_fb2af1f5f7b54ddba898c8e9e820c933.pdf?index=true
- https://cdn.shopify.com/s/files/1/0434/8762/5369/files/zokadabuwegukewumit.pdf
- https://cdn.shopify.com/s/files/1/0433/2643/9582/files/biology_text_book_class_11.pdf
- https://cdn.shopify.com/s/files/1/0465/1991/0558/files/best_sheets_for_bed_bugs.pdf
- https://f194912e-201f-4d2b-86e2-0a60335ae137.filesusr.com/ugd/b58d21_377565fde0e24d01a8e4c0988ff5b73b.pdf?index=true
- https://374bcefe-9534-4efe-8edd-8e625910d8ef.filesusr.com/ugd/b80405_e7210e7afa1143c8b8c61d1381d6bda6.pdf?index=true
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006274.bin7935fc585d7d2c7d4aea78e68a056f4dc89badf9cc8f8d0c92a15326ed08172a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6274 | 5120 bytes |
font_01_sfnt_off00007407.bin7ee5483b25cd8469d42e2be130297a2e22cd9efa2bb9a1a562b054ecdb1c46d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7407 | 10084 bytes |
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