MALICIOUS
154
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 the primary malicious redirector identified as https://ttraff.ru/wb?keyword=toxicologia%20ambiental%20john%20duffus%20pdf. This URL is part of a link farm strategy, aiming to lure users to malicious content through seemingly legitimate but ultimately harmful links. 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.ru/wb?keyword=toxicologia%20ambiental%20john%20duffus%20pdf
- http://files.faloonaagency.com/uploads/1/3/2/8/132814958/30892.pdf
- http://files.slsareascouts.org/uploads/1/3/0/9/130969830/287d92604.pdf
- http://files.ktskinandbeauty.co.uk/uploads/1/3/2/6/132683292/9bc203e.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94766401197.pdf
- https://cdn.shopify.com/s/files/1/0438/5102/2501/files/61289911590.pdf
- https://cdn.shopify.com/s/files/1/0438/0190/3264/files/88748124578.pdf
- https://cdn.shopify.com/s/files/1/0431/8117/9037/files/49124943647.pdf
- https://cdn.shopify.com/s/files/1/0435/5253/8773/files/gmc_topkick_service_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/7252/0352/files/tufexipemofewumafotexuxon.pdf
- https://cdn.shopify.com/s/files/1/0430/3834/3322/files/honda_service_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/63529720688.pdf
- https://cdn.shopify.com/s/files/1/0429/5095/1066/files/84431927414.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/beloromawodosuxaso.pdf
- https://cdn.shopify.com/s/files/1/0431/9238/5700/files/xukuwogigikox.pdf
- https://cdn.shopify.com/s/files/1/0437/2529/1674/files/29744548635.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_off000060d5.bincd71e8da147c0c1bfb9696158f641ef464835d7ffaf94f94b6527679d8671836 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60D5 | 5704 bytes |
font_01_sfnt_off00007428.binfd84e0cf173c4a30a253340411887647479458dbc7b632d76b709c36f8383d82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7428 | 11380 bytes |
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