MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as a phishing trojan. The document body, though heavily obfuscated, contains keywords related to search results, reinforcing the lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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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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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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External URI info PDF_URIPDF contains an external URL action
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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://mezovuduw.ru/award?keyword=epfo+ssa+result+2020+pdf PDF link annotation
- http://taforojujutusig.mygamesonline.org/algebra_de_baldor_ejercicio_98_pag_161.pdfIn PDF document text
- http://mikiduvedopavu.22web.org/80682539125.pdfIn PDF document text
- http://lokubakodo.getenjoyment.net/avatar_photoshop_template.pdfIn PDF document text
- http://nariwunuzaw.scienceontheweb.net/memuxaxokolu.pdfIn PDF document text
- http://pawezujexas.mywebcommunity.org/microsoft_onenote_manual.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kalasoziluxolim.myartsonline.com/saxebare.pdfIn PDF document text
- http://kadoxosin.atwebpages.com/lelaroniz.pdfIn PDF document text
- https://c3d762b3-5d50-4891-ab6d-43710edd2423.filesusr.com/ugd/3254bf_aab85884c51a4599ac7f446be47a2781.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/462b8782-f785-438e-807f-6e8b55c84887/how_to_reprogram_maytag_centennial_washer.pdfIn PDF document text
- https://6440a9f6-5e82-4153-977b-4ffe9374ec4a.filesusr.com/ugd/7182f3_58cc0cc71cb549f4836e9db230b3244c.pdf?index=trueIn PDF document text
- https://5a2ada08-5b6c-402a-b0df-3636415b461e.filesusr.com/ugd/434ae6_4a0788dbd61e4267bbb2e56d6dea549d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/326849a9-7914-469e-a4a9-cf5906658db4/best_air_fryer_toaster_combo_2020.pdfIn PDF document text
- http://nasotigide.rf.gd/free_online_english_learning_materials_to_download.pdfIn PDF document text
- https://4ac36a2f-1533-488b-b282-cf34cdace458.filesusr.com/ugd/bcfc12_5ec3c65f3ba04ba49013c6ca8dfda662.pdf?index=trueIn PDF document text
- https://dd907c4b-492b-4b4d-bf3c-9f0b7a2bd2c7.filesusr.com/ugd/96a426_e0952d803a2e4eb7a160e2c7efadccc6.pdf?index=trueIn PDF document text
- http://rosevasejila.myartsonline.com/nasiwumonari.pdfIn PDF document text
- http://mukenoveran.rf.gd/16946636865.pdfIn PDF document text
- https://cae2aa39-5014-47ec-b549-0fed73f36d02.filesusr.com/ugd/c8683e_19056447192e456c8f32df347342ab40.pdf?index=trueIn PDF document text
- https://144c9d4d-401b-437b-b89f-6a5816d7da47.filesusr.com/ugd/cd33f5_7458ddabf8324ebaba4090505d8d60e7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9a7cfcdc-a251-4ed2-844a-c940ba5bd91b/80593256301.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e61f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE61F | 5264 bytes |
SHA-256: 01cd2b0802f9d41d861dd3f890140d93d4645fb93f05915115698a69a3ed397b |
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font_01_sfnt_off0000f819.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF819 | 11864 bytes |
SHA-256: fcd82cd8ba3b223acec398ab2c8038b9324406421d7c59a28c52f0e7c719fc48 |
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