MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The embedded document body contains a URL that points to a known malicious redirector. The primary attack pattern involves luring users to malicious sites via a large number of links within the PDF. No scripts were extracted, limiting the analysis of direct execution capabilities.
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=adenovirus+humano+pdf
- http://files.sclegendsvbc.com/uploads/1/3/0/7/130738748/4874831.pdf
- http://pimulaba.mysmellysocks.com/uploads/1/3/2/7/132741334/2414175.pdf
- http://files.latinmedianw.com/uploads/1/3/2/3/132303170/wunofafu.pdf
- https://cdn.shopify.com/s/files/1/0435/6079/6318/files/cancionero_liturgico_partituras.pdf
- https://cdn.shopify.com/s/files/1/0430/2936/4889/files/vumigivamufun.pdf
- https://cdn.shopify.com/s/files/1/0429/4891/9450/files/kegovefozafewitosujiku.pdf
- https://cdn.shopify.com/s/files/1/0431/5951/9387/files/wutevexizowodivodi.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0234/files/rational_choice_theory_book.pdf
- https://cdn.shopify.com/s/files/1/0437/6661/2130/files/raci_matrix_project_management.pdf
- https://cdn.shopify.com/s/files/1/0428/7148/8668/files/fasegiw.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/33647917740.pdf
- https://cdn.shopify.com/s/files/1/0437/3997/1736/files/kifofolusebejavew.pdf
- https://cdn.shopify.com/s/files/1/0428/9573/6988/files/tare_zameen_par_cast.pdf
- https://cdn.shopify.com/s/files/1/0431/0607/4780/files/rutopegutuvujepezezuje.pdf
- https://cdn.shopify.com/s/files/1/0430/7641/9744/files/verbier_map.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_off00007e02.bin426088403634041dea25612e4f244e82c2f2400896ec0e7b8e1967c0bff48c75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E02 | 5296 bytes |
font_01_sfnt_off00008fdf.bine8a5267d71d89b32a15ee1e609b03c2b1121fe5e8ddc879ffd3d3d7ce82baad0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FDF | 10092 bytes |
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