MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text that appears to be a lure. The presence of multiple disposable hosting domains and UTM parameters suggests a phishing or scam campaign aimed at redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://yafferge.ru/strik?utm_term=doce+cuentos+peregrinos+la+santa+personajes In PDF document text
- http://antonioita.fun/individualized_teaching_strategies8yvpa.pdfIn PDF document text
- http://pabesubibo.66ghz.com/surface_area_of_a_rectangular_prism_worksheet.pdfIn PDF document text
- https://cdn.sqhk.co/nogupuzejewe/ieijj8a/7965313584.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390373/normal_6048921bb2d31.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471083/normal_601d156fdde6e.pdfIn PDF document text
- https://cdn.sqhk.co/kuruwoke/gfnhbVZ/69078674264.pdfIn PDF document text
- http://about-central.com/75313527200lulb7.pdfIn PDF document text
- http://sushibara.net/51295399890iue50.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://padekapekalerel.rf.gd/dirumogibugifuxolukumi.pdfIn PDF document text
- https://2ac8321c-28d8-41c8-ac7a-99137a6fe030.filesusr.com/ugd/157ee0_bc18a3cd94b5419c844e8ce044d0f9f5.pdf?index=trueIn PDF document text
- https://91ca87c2-c493-4616-adaa-fbcec45394e1.filesusr.com/ugd/6116da_1b77d7709696471ab751360ab60f8634.pdf?index=trueIn PDF document text
- http://jetupilesoz.epizy.com/tekid.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0de58dd8-f593-4843-85e4-6432709c19cb/samsung_vrt_steam_washer_dryer.pdfIn PDF document text
- https://9e730ba1-499c-413e-9a09-8a81f8121270.filesusr.com/ugd/0a0016_2691d360d67746fe99cf416cb2147e47.pdf?index=trueIn PDF document text
- https://dbb1fad9-9c05-458f-9e32-bc0b7f65d7ec.filesusr.com/ugd/451461_830126ff33874fecaea99701d5038362.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/909939c0-4c41-4034-b5b8-2b73a2b5176f/pivada.pdfIn PDF document text
- http://mosasawimip.epizy.com/puxesurazepi.pdfIn PDF document text
- https://3745348a-78a0-42d7-8ff4-af2b45bf5faf.filesusr.com/ugd/02631b_91f21c44865f4e6fa96970b28f29c26a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/de2985dd-4b6c-450a-8e76-f15e0006c94c/accu_chek_fastclix_lancets_cvs.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000104dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104DC | 5176 bytes |
SHA-256: 05690a0f00a346701f11122b81b5ba1b5367faff93b4db7f3da642dcfb042fd6 |
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font_01_sfnt_off00011695.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11695 | 11580 bytes |
SHA-256: 517074b4b184706b6d5ae7304277ed51b13eb6fc4107681733e420d5abec2e9d |
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font_02_sfnt_off00013cb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CB9 | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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