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 appears to be obfuscated or corrupted, but the presence of numerous external links suggests a link farm or phishing lure. The primary attack pattern involves redirecting users to potentially harmful 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.ru/pify?keyword=ascensores+hidraulicos+pdf
- http://files.kookykrayons.co.uk/uploads/1/3/0/9/130969322/4713650.pdf
- http://xefezifit.diamondavestudios.com/uploads/1/3/2/6/132695569/f68e77ccec.pdf
- http://files.rhondamills.com/uploads/1/3/0/7/130740349/4000646.pdf
- https://cdn.shopify.com/s/files/1/0430/7448/6421/files/30426652348.pdf
- https://cdn.shopify.com/s/files/1/0432/9046/0324/files/button_mushroom_compost_formula.pdf
- https://cdn.shopify.com/s/files/1/0440/5002/2550/files/lowes_colerain_ave.pdf
- https://cdn.shopify.com/s/files/1/0435/1148/0472/files/31516175542.pdf
- https://cdn.shopify.com/s/files/1/0435/2039/3375/files/mitotic_cell_cycle.pdf
- https://cdn.shopify.com/s/files/1/0434/2553/0005/files/ralavegawumukefegupelino.pdf
- https://cdn.shopify.com/s/files/1/0431/2216/3866/files/calculus_ii_lecture_notes.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/denikiv.pdf
- https://cdn.shopify.com/s/files/1/0434/2556/2775/files/sujet_brevet_2020_histoire_geo_emc.pdf
- https://cdn.shopify.com/s/files/1/0434/5459/5224/files/autarquias_locais_em_moambique.pdf
- https://cdn.shopify.com/s/files/1/0447/7750/4925/files/bajrangi_bhaijaan_full_movie.pdf
- https://cdn.shopify.com/s/files/1/0438/3241/0272/files/96599806199.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_off00005f46.bin1d59e5d6faf099d27502f8bc07f61934988a4ce7f099da7a7c081b4d8ddd6b03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F46 | 5232 bytes |
font_01_sfnt_off000070fd.bin608fe45b4d41d49728cc211dacab3643cc53bc0868d4636923a1bbb67446644b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70FD | 10868 bytes |
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