MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, https://ttraff.club/pify?keyword=avengers+theme+trumpet+solo+sheet+music, is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to sheet music and the malicious URL, suggesting a lure to a phishing or scam site.
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.club/pify?keyword=avengers+theme+trumpet+solo+sheet+music
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/3273/1038/files/74889424849.pdf
- https://cdn.shopify.com/s/files/1/0439/3913/5643/files/35773573491.pdf
- https://cdn.shopify.com/s/files/1/0436/4537/0518/files/biocalculus_calculus_for_life_sciences_james_stewart.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4024/files/kejikiweb.pdf
- https://cdn.shopify.com/s/files/1/0432/3957/1616/files/79429794861.pdf
- https://cdn.shopify.com/s/files/1/0429/2080/4518/files/universal_documents_converter.pdf
- https://cdn.shopify.com/s/files/1/0436/0595/0626/files/vujesewaxemafunijagebo.pdf
- https://static.usrfiles.com/ugd/cafc24_3a12d7f7b6034556af1919412f3bb9e0.pdf
- https://static.usrfiles.com/ugd/b8c837_fc8816c180874509a23d4219fb655ebf.pdf
- https://cdn.shopify.com/s/files/1/0429/6019/1651/files/65762583787.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/5081520916.pdf
- https://cdn.shopify.com/s/files/1/0427/9664/6556/files/barefoot_investor_2020_free.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_off0000404a.bin1befcd822576220fe5942565727a1f35a3e27dfef7f3dd993fe4a088fc63b2e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x404A | 5184 bytes |
font_01_sfnt_off000051d9.bin273134ba0a30db5e7ee1cff3027964725ed8d0b11cae5e3f86400a2b75a796d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51D9 | 9776 bytes |
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