MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/wix?keyword=marco+antonio+solis+discografia+desc, which is identified as a malicious redirector. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources, suggesting an attempt to manipulate search engine rankings or distribute content through a network of linked documents.
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.ru/wix?keyword=marco+antonio+solis+discografia+desc
- https://static.usrfiles.com/ugd/b8c837_8c79d1e4fec24a21b436b33c2cb6f765.pdf
- https://static.usrfiles.com/ugd/b8c837_5b0760ebcf8242cf9a594d4b66f2709a.pdf
- https://static.usrfiles.com/ugd/b8c837_3b55d7aa8a7e486188f28762806ae8be.pdf
- https://cdn.shopify.com/s/files/1/0429/3070/0455/files/11992981979.pdf
- https://cdn.shopify.com/s/files/1/0432/8924/7894/files/nuwozupoxedenuga.pdf
- https://static.usrfiles.com/ugd/b8c837_9c2b4949788c4213a65bdd99df67cc4b.pdf
- https://static.usrfiles.com/ugd/b8c837_965c8c0373814048ad8d9eb9b11ac205.pdf
- https://static.usrfiles.com/ugd/b8c837_cccd7666d35b4f31b5006d3dee36f7cc.pdf
- https://static.usrfiles.com/ugd/b8c837_83065d9ecf9b4092bf1dee369d265a87.pdf
- https://static.usrfiles.com/ugd/b8c837_e7e31de259ed46b0b528bd05ec5f20e9.pdf
- https://cdn.shopify.com/s/files/1/0434/2326/9014/files/sibijitepebitetosi.pdf
- https://cdn.shopify.com/s/files/1/0429/0058/6649/files/59368447654.pdf
- https://cdn.shopify.com/s/files/1/0430/1481/5901/files/duzezoritikibusanumepevef.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/55079075607.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_off00006b35.binc81a0f84b4638c2703de8ab18a0e573b27861ffcaba5916bb1ecfe55b6fdea4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B35 | 5196 bytes |
font_01_sfnt_off00007ce6.bin400f10ca9c811ca288dc8e03f3adb97ba6700244f4e8c4346cd08acc95090d33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CE6 | 10948 bytes |
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