MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to 'https://ttraff.cc/wix?keyword=cello+suite+no+1+piano+sheet+music'. It also exhibits characteristics of a PDF SEO link farm, with numerous external links. The document body, though heavily obfuscated, contains the same malicious URL and appears to be a lure related to sheet music.
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.cc/wix?keyword=cello+suite+no+1+piano+sheet+music
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_0ce99a55629c4b23afebda09f8cda3de.pdf
- https://static.usrfiles.com/ugd/b8c837_da5208c95279464f8ddee75f4edd6cd7.pdf
- https://static.usrfiles.com/ugd/0e6328_33bb89ad7f244208bb71d7172747e539.pdf
- https://static.usrfiles.com/ugd/63022f_a0e4b48578d3471a99908f02fd86b6e8.pdf
- https://static.usrfiles.com/ugd/45e30f_71d1f74cd32d4fc3920592b86b8f8fdb.pdf
- https://static.usrfiles.com/ugd/b910ae_269aca2b939a46459d0339cb183e56a4.pdf
- https://static.usrfiles.com/ugd/39cb9d_791f5187aded402ca601dff5947d3668.pdf
- https://cdn.shopify.com/s/files/1/0431/0440/3613/files/64511141516.pdf
- https://cdn.shopify.com/s/files/1/0431/2249/1541/files/50_cent_21_questions_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0427/5427/7532/files/miniwubapuvekuviviku.pdf
- https://cdn.shopify.com/s/files/1/0432/2089/3851/files/90067957144.pdf
- https://cdn.shopify.com/s/files/1/0430/4620/7637/files/workkeys_applied_technology.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_off000047dc.bin5f15d71386ebe9b0e4f5471230d8f6c6cd7054b2564ac2fb249d54d57deb18e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x47DC | 5032 bytes |
font_01_sfnt_off000058d5.binc58f7a0952ed3b94d898f251ff3f7c558b58a97cb6eb94901584336c4cc9e4d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58D5 | 11528 bytes |
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