MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by an ML classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits characteristics of a PDF link farm, with numerous embedded URLs pointing to external resources. The primary malicious URL identified is https://ttraff.ru/wix?keyword=sociedad+anonima+unam, which is likely used to redirect users to further malicious content.
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.ru/wix?keyword=sociedad+anonima+unam
- https://static.usrfiles.com/ugd/83b1b3_7c8c028b17cd4808ab334a9fe9c3062b.pdf
- https://static.usrfiles.com/ugd/1a89c8_215e2e7f0c0341c3acd3c4340ffd772f.pdf
- https://static.usrfiles.com/ugd/b8c837_4c41bea29aba489cbd092bdc608078f5.pdf
- https://static.usrfiles.com/ugd/c6ac46_654d8dbc5c20436d8c181bfc9c33eb33.pdf
- https://static.usrfiles.com/ugd/9d869b_269120c7e0de44ce85636e18a1d18765.pdf
- https://cdn.shopify.com/s/files/1/0429/3305/9737/files/32560245947.pdf
- https://cdn.shopify.com/s/files/1/0437/9289/2061/files/libro_breviario_de_los_politicos.pdf
- https://cdn.shopify.com/s/files/1/0435/5407/8871/files/satutaxuxijamolimetidebax.pdf
- https://cdn.shopify.com/s/files/1/0429/5376/9123/files/nobodunakegum.pdf
- https://cdn.shopify.com/s/files/1/0440/0958/6846/files/77331536302.pdf
- https://cdn.shopify.com/s/files/1/0434/8274/2950/files/3487640874.pdf
- https://cdn.shopify.com/s/files/1/0433/3161/6923/files/fozubejed.pdf
- https://cdn.shopify.com/s/files/1/0428/6503/3383/files/bericht_schreiben_muster.pdf
- https://cdn.shopify.com/s/files/1/0436/9242/5384/files/makamenesaz.pdf
- https://cdn.shopify.com/s/files/1/0429/5652/1631/files/99680329310.pdf
- https://cdn.shopify.com/s/files/1/0464/9756/2776/files/39150112876.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_off00008e9b.bin72d05c2c71ceaba391b468576eba19ea0671ff2db1cba3cda6b9ca689588be7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E9B | 4884 bytes |
font_01_sfnt_off00009f13.bin8e1170a02b667b5fde07f856f92a2a30dcf79c7087ccdac0e1d0b56617babd3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F13 | 10832 bytes |
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