MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link disguised as sheet music, which redirects to a malicious URL. This is supported by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic and the embedded URL. The ML classifier also strongly indicated maliciousness. The document appears to be a lure to redirect users to potentially harmful 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.link/wix?keyword=piano+sheet+music+for+way+maker
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/3794ad_87f1b66c12cf4bdba8a2758a081f823b.pdf
- https://static.usrfiles.com/ugd/07625c_a3082d634e06463d8f067ca51a16149a.pdf
- https://static.usrfiles.com/ugd/724fb5_a8c22a5ab302459e84466031c3c2f1af.pdf
- https://static.usrfiles.com/ugd/429b25_44c2e699f249425fa11bd2e489f673db.pdf
- https://static.usrfiles.com/ugd/b8c837_feb4ded13b18475f87ee62feb8003bf0.pdf
- https://static.usrfiles.com/ugd/857e61_b57428e3c97841f0a51894df71361d78.pdf
- https://static.usrfiles.com/ugd/b8c837_bb978c7614344c0fbfc7e0f353724bc2.pdf
- https://static.usrfiles.com/ugd/44b221_c3734aac1d384b459325d0c48aee95cd.pdf
- https://static.usrfiles.com/ugd/9421c8_057f9f186d3945aab4914d2a5872e43a.pdf
- https://static.usrfiles.com/ugd/158fb9_da363092a69a483991a5c37c978b39e1.pdf
- https://static.usrfiles.com/ugd/964009_7064fdb96d9c46c1b9dd25f25a59dc7e.pdf
- https://cdn.shopify.com/s/files/1/0437/7706/5121/files/historia_de_la_bandera_de_espaa.pdf
- https://cdn.shopify.com/s/files/1/0434/4017/7308/files/gulivavabomepuda.pdf
- https://cdn.shopify.com/s/files/1/0437/4472/3098/files/xasonona.pdf
- https://cdn.shopify.com/s/files/1/0441/2653/5832/files/takota.pdf
- https://cdn.shopify.com/s/files/1/0436/4691/0624/files/imci_guidelines_2018_ppt.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_off000047a1.bin399337e5982bfe8aac81e8b1154ba2815d07bb9290c7621de8bb594e7616ebf7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x47A1 | 5348 bytes |
font_01_sfnt_off000059c2.bin18f0632c65b802edc1ed1c8c50141f95973716c2fe13d6a9477239f1a025f521 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59C2 | 9872 bytes |
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