MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier and contains a significant number of embedded links, with at least one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/wix?keyword=celluloid+heroes+sheet+music', which is identified as a malicious redirector. The presence of numerous other links suggests a link farm or a phishing attempt designed to lure users to malicious sites.
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.com/wix?keyword=celluloid+heroes+sheet+music
- https://static.usrfiles.com/ugd/c63dba_846a751a1e5144f0a67ece73a1e11a95.pdf
- https://static.usrfiles.com/ugd/469aea_86ade294174a4bd1a1daeced6b6fe7f8.pdf
- https://static.usrfiles.com/ugd/e4ff69_fb211a9d4c6b48428c6983e7b575a950.pdf
- https://cdn.shopify.com/s/files/1/0431/1639/6697/files/volume_of_a_cone_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0432/4986/0765/files/zajuvepal.pdf
- https://cdn.shopify.com/s/files/1/0433/4711/6197/files/android_button_look_like_link.pdf
- https://cdn.shopify.com/s/files/1/0452/2554/1789/files/phoneme_grapheme_mapping_template.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tipibag.pdf
- https://static.usrfiles.com/ugd/b8c837_d75d49960f9c47feb215f5ad939edd75.pdf
- https://static.usrfiles.com/ugd/b8c837_3635a1af29d649b2bb88033299c6ccbd.pdf
- https://static.usrfiles.com/ugd/921909_001e05f1dae8472daca9c94a2a7c946c.pdf
- https://static.usrfiles.com/ugd/b8c837_4ad506e16d354203ab18ad88794e9d11.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/
- https://static.usrfiles.com/ug
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000063d6.bincdcab885824d95f051cb70b932d371bc03fa004f8b7aafe3efd56d7d3ba7ccb6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63D6 | 4876 bytes |
font_01_sfnt_off00007437.bin1b01189b6073e9ade040bc9a559dfa50ea06f1057d167e37c7ad4b65e1645c03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7437 | 9896 bytes |
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