MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector identified by heuristics. The primary intent appears to be directing users to malicious infrastructure, likely for further exploitation or credential harvesting.
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/pify?keyword=tratamento+cirrose+hepatica+pdf
- http://files.linlinkyawhtet.com/uploads/1/3/0/7/130776489/7908300.pdf
- http://pesuzu.burtonsmaplewoodfarm.com/uploads/1/3/1/1/131164239/2461496.pdf
- http://files.healthymamahappymama.com/uploads/1/3/1/4/131454151/3e94d773.pdf
- https://cdn.shopify.com/s/files/1/0428/1355/4855/files/49873505484.pdf
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/importance_of_behavioural_objectives.pdf
- https://cdn.shopify.com/s/files/1/0432/6565/4939/files/96918671375.pdf
- https://cdn.shopify.com/s/files/1/0439/4260/9051/files/13029309330.pdf
- https://cdn.shopify.com/s/files/1/0433/3918/6344/files/naive_bayesian_classifier.pdf
- https://cdn.shopify.com/s/files/1/0431/8691/3431/files/vuvovuvub.pdf
- https://cdn.shopify.com/s/files/1/0429/2735/8115/files/82268879405.pdf
- https://cdn.shopify.com/s/files/1/0428/4848/5535/files/85115484718.pdf
- https://cdn.shopify.com/s/files/1/0431/4942/6839/files/juriwopa.pdf
- https://cdn.shopify.com/s/files/1/0430/9463/8749/files/kabevoketivikilumikak.pdf
- https://cdn.shopify.com/s/files/1/0440/6693/0840/files/ragowazuzerupir.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000631a.bin299824e709bf35391e2b32cbbcc89e7bd2db6048068eb4acc66aea36631a75f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x631A | 5100 bytes |
font_01_sfnt_off00007435.bin923e2f3fc05c078a45abc34d33f87de16e34b19e98be05ba6f00be64528d261e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7435 | 10320 bytes |
font_02_sfnt_off00009788.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9788 | 4324 bytes |
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