MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=algorithme+arbre+pdf' which is a known malicious redirector. This suggests the document's primary purpose is to lure users to malicious sites.
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=algorithme+arbre+pdf
- http://files.nightsongpettingzoo.com/uploads/1/3/1/6/131606121/zegodikaxa.pdf
- http://files.delaneydrywall.com/uploads/1/3/0/7/130776542/gukameluzoro.pdf
- http://files.perrywoodard.com/uploads/1/3/1/3/131379844/kodutunifasizej_tepesebelajewa.pdf
- http://files.dorsetheartdoctor.com/uploads/1/3/0/7/130775759/torijinizekow-jiravigazuf-zulukabolopud-pufoziwiguluz.pdf
- https://cdn.shopify.com/s/files/1/0435/3789/1480/files/39411381435.pdf
- https://cdn.shopify.com/s/files/1/0434/0151/1068/files/talos_principle_b4_star.pdf
- https://cdn.shopify.com/s/files/1/0427/7311/9143/files/44075178727.pdf
- https://cdn.shopify.com/s/files/1/0429/7519/9391/files/75535227105.pdf
- https://cdn.shopify.com/s/files/1/0434/0423/0805/files/8301526171.pdf
- https://cdn.shopify.com/s/files/1/0437/6369/5770/files/tezawabekoxoliwix.pdf
- https://cdn.shopify.com/s/files/1/0434/5335/0053/files/2016_subaru_outback_owner_s_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/5016/2583/files/libro_balun_canan_gratis.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/99203043279.pdf
- https://cdn.shopify.com/s/files/1/0434/6904/5926/files/fubusowakaxuwisomit.pdf
- https://cdn.shopify.com/s/files/1/0439/8841/8718/files/sobifipupisosakel.pdf
- https://cdn.shopify.com/s/files/1/0434/6091/9446/files/tenureme.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_off0000795c.bina076cef495298180ad415ed3912a262ae32c9e0a3cb6026ad6866c8c5b8734bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x795C | 5408 bytes |
font_01_sfnt_off00008b8e.bin4d3b795e1d3138a587178f8b23d27320e28d59cb6d03f6337d04cdcb243a73c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B8E | 16364 bytes |
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