MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link that redirects to a known malicious infrastructure, disguised with a search query for 'silent night piano accompaniment sheet music free'. The document body, though heavily obfuscated, appears to contain the same lure text and URLs. The presence of a malicious redirector link and the ML classifier firing strongly indicate a malicious intent to redirect the user to a harmful site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=silent+night+piano+accompaniment+sheet+music+free
- https://cdn.shopify.com/s/files/1/0436/8397/1237/files/84583015389.pdf
- https://cdn.shopify.com/s/files/1/0440/6142/5814/files/organic_chemistry_reagent_guide.pdf
- https://cdn.shopify.com/s/files/1/0437/3141/9287/files/77373293735.pdf
- https://cdn.shopify.com/s/files/1/0430/3316/5986/files/76752722972.pdf
- https://cdn.shopify.com/s/files/1/0433/6808/7711/files/farizupubimadixux.pdf
- https://static.usrfiles.com/ugd/a31856_d06fbd287218440ab7734606a98dc234.pdf
- https://static.usrfiles.com/ugd/9e41f0_96d6f80d63ed4372bae7cda8f9c851d3.pdf
- https://static.usrfiles.com/ugd/de02f3_eabf53a974514f50b68480d4b81f1d7c.pdf
- https://static.usrfiles.com/ugd/b8c837_35396f3a25dc4e48b77620c942a71c0f.pdf
- https://cdn.shopify.com/s/files/1/0434/4581/3413/files/sample_of_recommendation_letter_for_university_admission.pdf
- https://cdn.shopify.com/s/files/1/0433/7680/3990/files/radijilusajeka.pdf
- https://cdn.shopify.com/s/files/1/0428/3426/4220/files/cantata_147_de_bach.pdf
- https://cdn.shopify.com/s/files/1/0462/6726/9277/files/battle_rope_exercises.pdf
- https://cdn.shopify.com/s/files/1/0432/3170/7294/files/sajoruzobawimi.pdf
- https://static.usrfiles.com/ugd/b8c837_136f5b22e5ed455f9f3d9a3404f5ebc9.pdf
- https://static.usrfiles.com/ugd/11f207_34dbce154ac24ba3bb71c240b30416b4.pdf
- https://static.usrfiles.com/ugd/b8c837_3735ce45cf8d44ada527c25b3cb95de9.pdf
- https://static.usrfiles.com/ugd/8d57bd_3aa4f5ef6c6b470696f9d53574b4c7c7.pdf
- https://static.usrfiles.com/ugd/b8c837_84e7eea281714fa3a1c0a06a05a3401c.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006525.bin796210ef9c8f077b8966ccab392281c9db85a02fc2e04cd68a316a96305adae7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6525 | 5532 bytes |
font_01_sfnt_off000077ce.binc030026baace6c0a4f56ec616047f1ab81524dd80c15a5812a8b78dde810a0aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77CE | 10144 bytes |
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