MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector URL (https://ttraff.ru/pify?keyword=autismo+pdf+articulos). The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The ML classifier strongly indicates maliciousness, and the overall structure points to a link farm designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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=autismo+pdf+articulos
- http://files.allied-integral.com/uploads/1/3/1/4/131438036/9839870.pdf
- http://files.wellsfamilyministries.org/uploads/1/3/0/7/130775828/kadixawaroxa_debokudurez_sonogelevufo.pdf
- http://files.jdryart.com/uploads/1/3/0/8/130814226/xugin.pdf
- http://lizobep.bayportaerodromesociety.org/uploads/1/3/2/3/132303382/a51c378698.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/7923/6774/files/honda_rancher_service_manual_free_download.pdf
- https://cdn.shopify.com/s/files/1/0427/5693/1751/files/excel_2020_function_list.pdf
- https://cdn.shopify.com/s/files/1/0431/9150/0961/files/19034487317.pdf
- https://cdn.shopify.com/s/files/1/0433/7929/4358/files/90898088772.pdf
- https://cdn.shopify.com/s/files/1/0434/4469/9288/files/medical_fitness_certificate_format_for_bank.pdf
- https://cdn.shopify.com/s/files/1/0432/1175/1588/files/moferufupewinuwoxesi.pdf
- https://cdn.shopify.com/s/files/1/0433/7994/9718/files/vinux.pdf
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/vepesafax.pdf
- https://cdn.shopify.com/s/files/1/0431/5670/1348/files/savetijatubizuperidevi.pdf
- https://cdn.shopify.com/s/files/1/0439/2475/0504/files/rupapu.pdf
- https://cdn.shopify.com/s/files/1/0429/8942/0695/files/35949389465.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b033.bin0b42b9270bff9c41db5009c2695437bc3a5da113d7189da0d1c2a531cedde338 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB033 | 5288 bytes |
font_01_sfnt_off0000c218.bin8623f71afcbfa08203bc4fa9c49856b011ab5d3a94dbd97e9e71334c8194511d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC218 | 10288 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.