MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, suggests a lure related to an 'English guide'. The presence of numerous links on disposable hosting and the ML classifier's high confidence score further support a malicious intent, likely to redirect users to a compromised site for exploitation or phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://crophysi.ru/123?utm_term=english+guide+for+class+9th In PDF document text
- https://lipuxavevafip.weebly.com/uploads/1/3/1/3/131398459/9215004.pdfIn PDF document text
- https://sitekitenuzuvi.weebly.com/uploads/1/3/2/3/132303150/32763.pdfIn PDF document text
- http://de-bewertung-889562.icu/japedozoxijazaxuwozizuhjkjh.pdfIn PDF document text
- http://sberpodarok2020.online/world_of_guns_gun_disassembly_cheatsgxzt3.pdfIn PDF document text
- http://ig-copyrightviolation.com/darajabolazufajelnjbh1.pdfIn PDF document text
- http://kupimaxi.sportsontheweb.net/vawasejewipovefov.pdfIn PDF document text
- https://bijesuvudapij.weebly.com/uploads/1/3/1/8/131860553/87e376ba.pdfIn PDF document text
- http://bet-info.ru/lonely_planet_russian_phrasebooks4big.pdfIn PDF document text
- http://espaceabonnes.com/822901734994h54x.pdfIn PDF document text
- http://erse.xyz/xokijovarefovutayakca.pdfIn PDF document text
- http://bbcua.site/dasobesazuzobupepiret8crxp.pdfIn PDF document text
- http://rivafigikiwax.medianewsonline.com/18388667041.pdfIn PDF document text
- http://daravto18.ru/bikupuczzgq.pdfIn PDF document text
- http://tumuduwaju.mypressonline.com/ethical_hacking_and_cyber_security.pdfIn PDF document text
- http://gatowixipeba.mywebcommunity.org/boy_in_striped_pajamas_gas_scene.pdfIn PDF document text
- http://gofadivus.mygamesonline.org/roadmaster_vintage_bicycle_serial_number.pdfIn PDF document text
- http://rejemezurufoveg.mywebcommunity.org/95732222825.pdfIn PDF document text
- http://faxixovojaja.sportsontheweb.net/dumaruforufi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/3bf2be54-810e-4b07-b86c-9ab9b2f04a99/pubiminamexuwamisos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a39e7aa6-83ae-44fe-ab47-a53979eb49ac/49757313369.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/988f1c51-59d9-4dec-ab44-65cf3591e83e/best_foods_to_eat_for_anti-inflammatory_diet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b826e8b-b530-4b2f-ab42-aca7e2703174/does_dunkin_donuts_have_keto_options.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00018cc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18CC2 | 5276 bytes |
SHA-256: 2e228a0741b7824e24449570346184ce414e74c521e1fd63d2d1146dd9d0b75b |
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font_01_sfnt_off00019ea1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19EA1 | 9824 bytes |
SHA-256: 914151f978120f47992236cb5d6289f589116ae63cd95e43682aea9d3e23afbb |
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font_02_sfnt_off0001bff0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BFF0 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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