MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector infrastructure at https://ttraff.com/pify?keyword=validity+in+testing+pdf. The ML classifier strongly supports the malicious nature of this PDF. The document body, though heavily obfuscated, contains the same redirector URL, indicating a lure to external malicious content.
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.com/pify?keyword=validity+in+testing+pdf
- http://files.alanflemingtournament.net/uploads/1/3/0/9/130969129/86d1bfe.pdf
- http://files.lo-phi.com/uploads/1/3/2/6/132682528/5287344.pdf
- http://files.pureloveandlightcentre.com/uploads/1/3/2/8/132814306/f371f5a00c16.pdf
- https://cdn.shopify.com/s/files/1/0437/6897/1418/files/solo_leveling_novela_ligera_descargar.pdf
- https://cdn.shopify.com/s/files/1/0430/9480/2583/files/54706915587.pdf
- https://cdn.shopify.com/s/files/1/0428/9213/2508/files/85931337228.pdf
- https://cdn.shopify.com/s/files/1/0432/0490/3069/files/27045654433.pdf
- https://cdn.shopify.com/s/files/1/0431/8940/3810/files/51983027245.pdf
- https://cdn.shopify.com/s/files/1/0445/8142/1215/files/theoretical_studies_in_islamic_banking_and_finance.pdf
- https://cdn.shopify.com/s/files/1/0428/9436/0743/files/wesuzini.pdf
- https://cdn.shopify.com/s/files/1/0434/0164/2135/files/penguin_books_elementary.pdf
- https://cdn.shopify.com/s/files/1/0432/7351/9269/files/r_plot_axis.pdf
- https://cdn.shopify.com/s/files/1/0441/1287/1576/files/nugupevaregeliwu.pdf
- https://cdn.shopify.com/s/files/1/0432/3858/8584/files/22547956639.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_off0000608b.binea7e8f343a981639c389bac1eb8d731bf5346e090cba23d219ea9b30d6403355 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x608B | 5180 bytes |
font_01_sfnt_off0000724e.bina903d15ed7c40c5d638cc2f32fc15b6749d6c74cc0863069f5d5aeec15b8ab6d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x724E | 10020 bytes |
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