MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains numerous links, masquerading as a free sheet music download, that redirect to malicious infrastructure. The primary malicious URL identified is ttraff.club, which is flagged as a redirector. The document also contains a large number of links to other PDFs, likely part of a link farm to improve search engine ranking and obscure the malicious intent. No scripts were extracted, but the PDF structure itself facilitates the redirection.
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/wix?keyword=arpeggio+sheet+music+free
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/cb4a18_317a4290eb8f465488dfa1559cc97d6a.pdf
- https://static.usrfiles.com/ugd/eb4c03_b64d570696d54945981cc74454465c2a.pdf
- https://static.usrfiles.com/ugd/3283b0_aaceaff8d3134aca9ed0ef42f4a55561.pdf
- https://static.usrfiles.com/ugd/07ef24_3db7942b06ae48f8b258fce20fba4964.pdf
- https://static.usrfiles.com/ugd/e42ee3_a03df1687c8b4b0ba8d9c1717ed0067d.pdf
- https://static.usrfiles.com/ugd/0286dd_d7c5ea23c9a140ac9a223f4e4c66c749.pdf
- https://static.usrfiles.com/ugd/6f53d7_c41474775a114627a319639abb3b62a5.pdf
- https://static.usrfiles.com/ugd/b8c837_0d86661d72384d4a871cc108e663307e.pdf
- https://static.usrfiles.com/ugd/df73ab_5857646b5d5645d6add406a64da37865.pdf
- https://static.usrfiles.com/ugd/2f7489_9024ddb06aed46aa90dc31aaa0744a2c.pdf
- https://static.usrfiles.com/ugd/fd4c29_50f6f4f9f1784b668b90a94e1618fef8.pdf
- https://static.usrfiles.com/ugd/8ba634_33c0b7ac9654447d82eeedb0c800b00b.pdf
- https://static.usrfiles.com/ugd/735424_b5e9e6f29a19448f91fe950a1d67744d.pdf
- https://static.usrfiles.com/ugd/49f5ef_3646631a9009468189c79de764eb51a0.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_off00007a47.bin3a6f6afe598a387a05d60549347e58aaf396df1b277347a64c96eb2fcd0b7c3f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A47 | 5176 bytes |
font_01_sfnt_off00008bcc.bin22b534812c50845d0ec0b08723d4f5b31e9b2e38983d8858a8424e0c073d5b91 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BCC | 10572 bytes |
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