MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, with a critical heuristic identifying one as a malicious redirector. The document body, though heavily obfuscated, contains text related to sheet music and the malicious URL. The presence of a large number of external PDF links suggests a link farm or SEO manipulation tactic to distribute malicious content.
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.com/wix?keyword=journey+to+the+past+sheet+music+with
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kivamusefelozadadazub.pdf
- https://cdn.shopify.com/s/files/1/0436/5107/2153/files/intro_stats_deveaux_4th_edition_free.pdf
- https://cdn.shopify.com/s/files/1/0448/1168/1958/files/64594382532.pdf
- https://cdn.shopify.com/s/files/1/0429/7624/7971/files/22950458246.pdf
- https://cdn.shopify.com/s/files/1/0429/2775/1321/files/tupaxosavizedusikaxaxitit.pdf
- https://cdn.shopify.com/s/files/1/0427/9628/6111/files/nalegegodageriwovo.pdf
- https://cdn.shopify.com/s/files/1/0434/1828/8277/files/96705157303.pdf
- https://cdn.shopify.com/s/files/1/0430/6750/6849/files/vawejisorevenigepejaj.pdf
- https://static.usrfiles.com/ugd/b8c837_ffb192fea79f455997aa342fe78ed78c.pdf
- https://static.usrfiles.com/ugd/136d07_08fc33cc52ce42edbde479894639bca4.pdf
- https://static.usrfiles.com/ugd/b8c837_a45926fb051d41e8aacf8757528a5a29.pdf
- 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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b6b7.bin25fb44a0a7dd00de04f4692e8de3161660be917d7c455ea0884a0ce3cd26f1fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6B7 | 5324 bytes |
font_01_sfnt_off0000c8ba.bin7c5b7a181f8fe9c1c68b7e8166924fac50520624fd344c70694b137eb16e7e8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8BA | 10980 bytes |
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