MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as sheet music. It also hosts a large number of other PDF files, suggesting a link farm or SEO poisoning attempt to drive traffic to malicious sites. The ML classifier strongly indicates maliciousness, and the overall structure points to a phishing or malware distribution scheme.
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/pify?keyword=trumpet+sheet+music+hallelujah+chorus
- http://jumevoji.gpbballstore.net/uploads/1/3/1/0/131070152/931369.pdf
- http://files.annettedelcanto.com/uploads/1/3/1/4/131406412/0af1fa5441bb7.pdf
- https://creativecommo
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/8098/2438/files/formulation_of_functional_strategy.pdf
- https://cdn.shopify.com/s/files/1/0436/1384/7714/files/bakikut.pdf
- https://cdn.shopify.com/s/files/1/0430/6547/5226/files/3190644788.pdf
- https://cdn.shopify.com/s/files/1/0435/3146/8951/files/tubaginuka.pdf
- https://cdn.shopify.com/s/files/1/0440/1682/8581/files/78256425404.pdf
- https://cdn.shopify.com/s/files/1/0437/4927/7845/files/massey_algebraic_topology.pdf
- https://cdn.shopify.com/s/files/1/0431/3546/7682/files/97532832860.pdf
- https://cdn.shopify.com/s/files/1/0427/9658/1020/files/50883655927.pdf
- https://cdn.shopify.com/s/files/1/0434/0829/4039/files/89783559145.pdf
- https://cdn.shopify.com/s/files/1/0435/3874/3450/files/xozosakapitixizugugekedij.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_off00004cf2.bin7a9f8361cc2f04b4672998c93de0314b6e879426c47f1a75737b9ce7198edcee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4CF2 | 5196 bytes |
font_01_sfnt_off00005e76.bin3c17629fc395ed0a99c1b72635cc0e1b7e471c5f17961512853cc0807bdfaa3b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E76 | 15160 bytes |
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