MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded URLs, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the target URL. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the malicious nature of the redirection. The ML classifier also strongly indicated maliciousness.
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=charles+baudelaire+l+albatros+pdf
- http://files.bttau.com/uploads/1/3/1/6/131606094/4e5f8b0f4.pdf
- http://files.projectgust.org/uploads/1/3/1/8/131871484/6851200.pdf
- http://files.bookhivebeerclub.com/uploads/1/3/0/9/130969910/f65beae6b726.pdf
- https://cdn.shopify.com/s/files/1/0434/0600/0282/files/tratamiento_cetoacidosis_diabetica_ada.pdf
- https://cdn.shopify.com/s/files/1/0432/7328/9894/files/adverbios_de_grado_en_ingles.pdf
- https://cdn.shopify.com/s/files/1/0430/7596/0985/files/kevuwipozolelifozoragawi.pdf
- https://cdn.shopify.com/s/files/1/0431/0528/8352/files/volanabuwisenamuga.pdf
- https://cdn.shopify.com/s/files/1/0434/1720/6946/files/lovonoxikigokuwekifo.pdf
- https://cdn.shopify.com/s/files/1/0435/0607/3759/files/13696982684.pdf
- https://cdn.shopify.com/s/files/1/0432/5883/9198/files/wegategaxixebunuvajafub.pdf
- https://cdn.shopify.com/s/files/1/0434/3945/6423/files/486509377.pdf
- https://cdn.shopify.com/s/files/1/0431/3897/3857/files/digital_ammeter_circuit_diagram.pdf
- https://cdn.shopify.com/s/files/1/0428/0690/2950/files/sri_rudram_namakam_chamakam_telugu.pdf
- https://cdn.shopify.com/s/files/1/0432/9324/5590/files/10431403654.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_off00006a3d.binee1f153496d31dd69ed7f5bef1e2a437bd5f7a4e1782d7b077b65075138eca56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A3D | 5176 bytes |
font_01_sfnt_off00007bc0.binf7ad9fa2abed39e53d6409e194f1232d2dd7883004dd7aa1ac9409e0ab010638 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BC0 | 9992 bytes |
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