MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that point to a redirector URL, which is a common tactic for delivering malicious payloads or phishing pages. The document body, though heavily obfuscated, contains text suggesting it is related to sheet music, likely a lure. The presence of multiple external PDF links, some benign and some potentially malicious, indicates a link farm or redirection strategy.
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=river+flows+into+you+violin+sheet+music
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/361045_9e4b673556284be9974092dd756c7f41.pdf
- https://static.usrfiles.com/ugd/c7ef1a_f67f70f15d114f06957252fb9e6b3388.pdf
- https://static.usrfiles.com/ugd/1f6d71_c8bfc9b45c0b4c1f8dd3c78831969154.pdf
- https://cdn.shopify.com/s/files/1/0461/7820/5850/files/75177897919.pdf
- https://cdn.shopify.com/s/files/1/0447/0718/4793/files/a_modern_utopia_h_g_wells.pdf
- https://cdn.shopify.com/s/files/1/0428/1909/2647/files/linkedin_profile_url_format.pdf
- https://cdn.shopify.com/s/files/1/0432/0644/3176/files/31976402659.pdf
- https://cdn.shopify.com/s/files/1/0428/2092/7644/files/2668304408.pdf
- https://static.usrfiles.com/ugd/eed56f_843f4b0a1c1f4fbf845bc2af2ff39287.pdf
- https://static.usrfiles.com/ugd/585b1d_ff96562a7eb547aa8f96c69984b1dc5d.pdf
- https://static.usrfiles.com/ugd/defdb4_476a8bdab4264253b2cc104f1df0598a.pdf
- https://static.usrfiles.com/ugd/24853a_b6a04fd952be4d458691303d7ebc98ef.pdf
- https://static.usrfiles.com/ugd/b8c837_fae215fcc8554218abf0cf5653c3ead0.pdf
- https://static.usrfiles.com/ugd/b8c837_6a7f1cb66f4347cf9df3c1238c4691dc.pdf
- https://static.usrfiles.com/ugd/f84671_4c32d27090ba43aeae422c394709cb59.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_off000064e2.bin42bc62223c113e60e941879adf65f5e16998a458e0fe25f987f1fe79227e45c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64E2 | 5172 bytes |
font_01_sfnt_off00007678.bin64aae54bdfe9cdf11334cff1ca5630fcce4d0efdef967c7e90c2090fed55fcbc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7678 | 10436 bytes |
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