MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm and a direct link to a known malicious redirector. The document body text, though heavily obfuscated, contains the string 'Descargar musica grupera' and the malicious URL, indicating a lure to download potentially unwanted or malicious content. The ML classifier also strongly flagged this PDF as malicious.
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=descargar+musica+grupera
- http://virefix.myswagbag.org/uploads/1/3/0/8/130874474/zopipejesewas_gefuviwuvi_gemezapetisi_xefaxuxomelis.pdf
- https://cdn.shopify.com/s/files/1/0433/4639/5304/files/37382523193.pdf
- https://cdn.shopify.com/s/files/1/0431/9612/1252/files/49029811895.pdf
- https://cdn.shopify.com/s/files/1/0439/1282/2939/files/78519453134.pdf
- https://cdn.shopify.com/s/files/1/0433/7745/9363/files/86252269167.pdf
- https://cdn.shopify.com/s/files/1/0434/5095/7991/files/unicode_text_converter.pdf
- https://cdn.shopify.com/s/files/1/0431/2514/5760/files/10518668014.pdf
- https://cdn.shopify.com/s/files/1/0428/1165/4307/files/js_scroll_to_element.pdf
- https://cdn.shopify.com/s/files/1/0431/4474/1015/files/android_os_features.pdf
- https://cdn.shopify.com/s/files/1/0440/8636/2264/files/75767721024.pdf
- https://cdn.shopify.com/s/files/1/0434/2225/3208/files/celsius_fahrenheit_chart.pdf
- https://cdn.shopify.com/s/files/1/0446/0855/3123/files/46160366881.pdf
- https://cdn.shopify.com/s/files/1/0435/3445/0840/files/17768101973.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000059ac.bin96bb1593e215ba2745614c1690127c775fef9a2387b6eb0ec6f999e50e4c82aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59AC | 5220 bytes |
font_01_sfnt_off00006b52.bin53194ddd84c3c107330ea3f95a64e265991c13ccacaa9dbf9d33c4b07892070e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B52 | 3596 bytes |
font_02_sfnt_off00007939.binf342f6e8a3163626d1ad2885a84cea71f46955cb6ba1fb38e481bce0c6c47119 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7939 | 13644 bytes |
font_03_sfnt_off0000a4d5.bin226a8e4e528c820945b068501793868e9b71e899c703a7ad804f9a2f424011a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4D5 | 16384 bytes |
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