MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, including one to a known malicious redirector, ttraff.com. The document body, though obfuscated, contains text related to 'Concierto de aranjuez violin sheet music pdf' and includes the malicious URL, suggesting a lure to trick users into clicking. The ML classifier also strongly indicated maliciousness.
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=concierto+de+aranjuez+violin+sheet+music+pdf
- http://files.madlyeclectic.com/uploads/1/3/1/4/131483253/nuwitoduku_xafozovininu_lekilirox_navagad.pdf
- http://files.heatherkinser.com/uploads/1/3/2/3/132302966/7634812.pdf
- http://files.wightmantennis.org/uploads/1/3/1/3/131383823/5cc153d.pdf
- http://files.mschurchofchrist.net/uploads/1/3/1/3/131384436/7672464.pdf
- https://cdn.shopify.com/s/files/1/0429/5183/5801/files/dipavixejobirina.pdf
- https://cdn.shopify.com/s/files/1/0432/1758/4283/files/sewuteke.pdf
- https://cdn.shopify.com/s/files/1/0436/4081/5774/files/8162880241.pdf
- https://cdn.shopify.com/s/files/1/0449/4393/3595/files/89559716969.pdf
- https://cdn.shopify.com/s/files/1/0428/9980/0217/files/ziraxizopebixagatogevi.pdf
- https://cdn.shopify.com/s/files/1/0429/2729/2582/files/lobularozov.pdf
- https://cdn.shopify.com/s/files/1/0432/9085/3531/files/79208634011.pdf
- https://cdn.shopify.com/s/files/1/0432/0709/8529/files/peratizesiju.pdf
- https://cdn.shopify.com/s/files/1/0436/0726/1341/files/troybilt_tuffy_tiller.pdf
- https://cdn.shopify.com/s/files/1/0429/5213/0716/files/nagifo.pdf
- https://cdn.shopify.com/s/files/1/0436/4474/7929/files/vozetakib.pdf
- https://cdn.shopify.com/s/files/1/0436/9501/4042/files/91707258438.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/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000698f.bin392b3a069479bb1336e0d82ecdc46da62895f9d10ac7957dd4be3d6446a08ae0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x698F | 5488 bytes |
font_01_sfnt_off00007c1a.binbf67a0cf892cf7970d9c066eb98ebc600e2216e3e9fa1773a8dcfc0ab874d40c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C1A | 10444 bytes |
font_02_sfnt_off00009fe6.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FE6 | 4324 bytes |
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