MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with a critical heuristic firing indicating a link farm pointing to a malicious redirector. The primary malicious URL identified is 'https://ttraff.link/pify?keyword=roland+barthes+empire+of+signs'. The document body, though heavily obfuscated, also contains this URL and other PDF links, suggesting a lure to external, potentially malicious, content. The ML classifier strongly supports the malicious nature of this PDF.
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.link/pify?keyword=roland+barthes+empire+of+signs
- http://files.spaatthecolonnade.net/uploads/1/3/0/8/130814926/f0ca605e8407c4a.pdf
- http://files.progettiarduino.com/uploads/1/3/0/8/130874240/9458604.pdf
- https://cdn.shopify.com/s/files/1/0436/4537/0518/files/hierarchical_taxonomic_system_of_classification.pdf
- https://cdn.shopify.com/s/files/1/0428/4982/9023/files/excel_vlookup_function_two_sheets.pdf
- https://cdn.shopify.com/s/files/1/0429/3502/5831/files/financial_separation_agreement_template_uk.pdf
- https://cdn.shopify.com/s/files/1/0437/7693/4042/files/55832758552.pdf
- https://cdn.shopify.com/s/files/1/0430/2936/4899/files/1483532752.pdf
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/jubexonamix.pdf
- https://cdn.shopify.com/s/files/1/0433/9925/0072/files/aids_day_information_in_marathi.pdf
- https://cdn.shopify.com/s/files/1/0432/5464/4894/files/lesasilawagisefesiwowan.pdf
- https://cdn.shopify.com/s/files/1/0435/6869/3407/files/88825955281.pdf
- https://cdn.shopify.com/s/files/1/0440/5637/9557/files/16554396003.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_off0000770e.bin57f10c5a9e807746561d2dc85d330fc38fd753fbd101e51b1ee6ec2ad6a659b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x770E | 5600 bytes |
font_01_sfnt_off000089e9.bin8cb47accba2edd078368039ea4dbf9fd04d33c738dfeaca5326a08c7a5f4c063 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89E9 | 9980 bytes |
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