MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, identified as a link farm, with a critical heuristic firing for a malicious redirector. The primary malicious URL is `https://ttraff.cc/pify?keyword=metodo+descriptivo+explicativo+pdf`. The document body, though heavily obfuscated, also contains this URL, reinforcing the redirection attempt. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=metodo+descriptivo+explicativo+pdf
- http://files.elranchoteencourtfoundation.com/uploads/1/3/1/3/131378899/bb1b8430aa56a.pdf
- http://files.tecnicatest.com/uploads/1/3/1/6/131636843/jadujedojeze_tibut_pujinutizakup.pdf
- http://files.drive-thrudinners.com/uploads/1/3/1/1/131164310/9257529.pdf
- https://cdn.shopify.com/s/files/1/0430/8353/0407/files/45998120448.pdf
- https://cdn.shopify.com/s/files/1/0432/5516/9186/files/gubatakefuduxanujimup.pdf
- https://cdn.shopify.com/s/files/1/0430/5272/8474/files/36054939544.pdf
- https://cdn.shopify.com/s/files/1/0434/2104/0792/files/anatomy_and_physiology_saladin_6th_edition.pdf
- https://cdn.shopify.com/s/files/1/0433/6504/0286/files/17457666738.pdf
- https://cdn.shopify.com/s/files/1/0437/9777/4497/files/16015280488.pdf
- https://cdn.shopify.com/s/files/1/0432/4789/4692/files/carillas_de_resina_paso_a_paso.pdf
- https://cdn.shopify.com/s/files/1/0430/6377/1293/files/sony_5100_manual_espaol.pdf
- https://cdn.shopify.com/s/files/1/0432/5654/5433/files/96734142190.pdf
- https://cdn.shopify.com/s/files/1/0431/1030/1847/files/open_file_c.pdf
- https://cdn.shopify.com/s/files/1/0438/9008/1960/files/85241144999.pdf
- https://cdn.shopify.com/s/files/1/0439/7717/9294/files/gabumoxubawibafafivako.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://cdn.shopify.com/s
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009731.bin0dabb0f5f9f321c09b7ba72975149aca5ac8aeeca325915b6eaa9ef87a04f284 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9731 | 5284 bytes |
font_01_sfnt_off0000a950.bin3cc5f4ad2e359ed5870904b846ccd31b4f9098fe69ec7938f3ad1593709b5a1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA950 | 10244 bytes |
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