MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The document body contains numerous URLs, with at least one, 'https://ttraff.com/pify?keyword=aprendizaje+significativo+pdf+autores', identified as a malicious redirector. The presence of 14 external PDF links, many pointing to Shopify domains, suggests an attempt to distribute content or traffic through a link farm. 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.com/pify?keyword=aprendizaje+significativo+pdf+autores
- http://files.elliepottsbarrett.com/uploads/1/3/2/6/132696512/jefiwibelexaw_vanajof_fatisokututug.pdf
- http://files.almostwild.org/uploads/1/3/1/8/131857758/davij-meregok-redugez-wewegeta.pdf
- http://files.theburnerdowner.com/uploads/1/3/0/8/130814042/zanirajuzidar.pdf
- http://files.nackip.com/uploads/1/3/2/7/132740378/lipilobid.pdf
- https://cdn.shopify.com/s/files/1/0432/4609/2443/files/food_and_beverage_menu_knowledge.pdf
- https://cdn.shopify.com/s/files/1/0428/6028/2023/files/best_epub_reader_windows_10.pdf
- https://cdn.shopify.com/s/files/1/0428/5900/4070/files/14243869950.pdf
- https://cdn.shopify.com/s/files/1/0430/9614/6074/files/15544981149.pdf
- https://cdn.shopify.com/s/files/1/0440/1712/3493/files/jikapagafuv.pdf
- https://cdn.shopify.com/s/files/1/0432/7669/7760/files/advanced_english_grammar_book_for_class_11_12.pdf
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/77742311313.pdf
- https://cdn.shopify.com/s/files/1/0434/1320/9246/files/37164125948.pdf
- https://cdn.shopify.com/s/files/1/0432/0477/2000/files/54337121890.pdf
- https://cdn.shopify.com/s/files/1/0454/2604/9182/files/sebolumev.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_off00009352.bin083cbbcde8c9f5f84c365038958320a3b139953473133d8f1f6b63b1bf663b17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9352 | 5464 bytes |
font_01_sfnt_off0000a608.bin394936d4dba20a6428b52e5ef96d86f30e9a0d517c6a714ead75b23343b5982f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA608 | 11264 bytes |
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