MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though partially obfuscated, includes text related to 'Cochlear nucleus implants mri guidelines' and a URL that appears to be a lure. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM strongly indicate a malicious intent to redirect users to harmful sites, likely for phishing or malware delivery.
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=cochlear+nucleus+implants+mri+guidelines
- http://doduz.lcaclassicalhistory.com/uploads/1/3/1/3/131379732/gasozawi.pdf
- http://files.nwctahosa.org/uploads/1/3/0/9/130968985/0149d7fa856.pdf
- http://files.savoydelegation-usa.org/uploads/1/3/1/3/131382274/725361.pdf
- http://files.cconsultingsa.com/uploads/1/3/0/8/130815726/69d7be8fd.pdf
- https://cdn.shopify.com/s/files/1/0438/5311/9648/files/mysql_basic_command.pdf
- https://cdn.shopify.com/s/files/1/0430/6989/8914/files/ludipaturozo.pdf
- https://cdn.shopify.com/s/files/1/0437/9885/5837/files/cash_flow_statement_analysis_project.pdf
- https://cdn.shopify.com/s/files/1/0435/7790/1219/files/probability_and_statistics_degroot_3rd_edition.pdf
- https://cdn.shopify.com/s/files/1/0433/0379/6894/files/bipurifujafi.pdf
- https://cdn.shopify.com/s/files/1/0431/4421/6730/files/82015869663.pdf
- https://cdn.shopify.com/s/files/1/0432/0709/8529/files/dakajezok.pdf
- https://cdn.shopify.com/s/files/1/0435/2655/3755/files/4615550100.pdf
- https://cdn.shopify.com/s/files/1/0434/5492/2902/files/wupudufekamemevapogabim.pdf
- https://cdn.shopify.com/s/files/1/0429/1110/5183/files/68257159723.pdf
- https://medlineplus.gov/cochlearimplants.html
- 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_off00005e0c.bin1700d0009fa26123536a5e65540711f31e299fa6e7805f89eb0127d1609cc5b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E0C | 5392 bytes |
font_01_sfnt_off00007029.bin1d3d513f90578165e35f364dda64b6a8f09a3a1fb6ebd307381b43f624c9ccb1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7029 | 10072 bytes |
font_02_sfnt_off000092a5.bin1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92A5 | 4324 bytes |
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