MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The primary malicious URL identified is 'https://ttraff.cc/pify?keyword=guia+ada+2020+espa%25C3%25B1ol+pdf+resumen'. Another heuristic identified a large number of external PDF links, many hosted on Shopify, suggesting a link farm for SEO manipulation or traffic redirection. 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.cc/pify?keyword=guia+ada+2020+espa%25C3%25B1ol+pdf+resumen
- http://files.theessentialoilsmethod.com/uploads/1/3/0/7/130738722/tufunuvumafirekowo.pdf
- http://files.counsellingpsychologist.services/uploads/1/3/0/9/130969555/7582248.pdf
- http://files.ksobha.com/uploads/1/3/1/4/131453214/lugukitola-legepuso-nunux.pdf
- http://files.kenneljikinokensha.com/uploads/1/3/2/6/132695531/pirijun.pdf
- http://files.restauranthexagone.com/uploads/1/3/1/8/131856072/1970610.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/figarawevig.pdf
- https://cdn.shopify.com/s/files/1/0434/7143/7984/files/mibatakisujisez.pdf
- https://cdn.shopify.com/s/files/1/0427/7341/4055/files/75084404240.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87899810879.pdf
- https://cdn.shopify.com/s/files/1/0434/7127/4146/files/39150093352.pdf
- https://cdn.shopify.com/s/files/1/0428/4029/3543/files/gunajewodu.pdf
- https://cdn.shopify.com/s/files/1/0432/1483/1780/files/bizowajuxo.pdf
- https://cdn.shopify.com/s/files/1/0437/3318/8769/files/jezibugabuxu.pdf
- https://cdn.shopify.com/s/files/1/0431/2167/2341/files/zonemenozevuxemeruxibobox.pdf
- https://cdn.shopify.com/s/files/1/0430/5331/8306/files/32054867176.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_off0000ef0b.bin37eb6c97e0a6d1a4562b8050ca47451d17e78926e6398c59f627f00cd5e68c02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF0B | 5504 bytes |
font_01_sfnt_off0001015d.bin733f82f1a3b940fcd17e14bdc774b6be5c3fb93bc53bb971e8d3ed680f4893bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1015D | 10272 bytes |
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