MALICIOUS
186
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 or SEO spam campaign. The embedded URLs, such as 'https://midufefew.ru/award?keyword=antonio+machado+biografia+pdf', are likely used to redirect users to malicious or spam content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
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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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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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://midufefew.ru/award?keyword=antonio+machado+biografia+pdf PDF link annotation
- http://modezewop.mygamesonline.org/do_gas_water_heaters_have_a_pilot_light.pdfIn PDF document text
- https://cdn.sqhk.co/lawafopugu/igjgjeB/mamewifujopidilowegagusu.pdfIn PDF document text
- https://vomuzubedabop.weebly.com/uploads/1/3/0/9/130969103/a736c536955.pdfIn PDF document text
- http://myvenza.ru/86901268393ao0m1.pdfIn PDF document text
- http://voiprormul.xyz/bosch_glm_15_manualm8p31.pdfIn PDF document text
- https://baxiboxizalitif.weebly.com/uploads/1/3/3/9/133987723/zapixixegi.pdfIn PDF document text
- https://cdn.sqhk.co/jabakujivim/aRgdOf5/govolabitagemuf.pdfIn PDF document text
- http://paselon.getenjoyment.net/tosabajeru.pdfIn PDF document text
- https://dibasipelop.weebly.com/uploads/1/3/0/7/130738559/ledivikiboxepira.pdfIn PDF document text
- http://wutanumijejol.sportsontheweb.net/68537543988.pdfIn PDF document text
- http://vbnmcxz.xyz/schaums_outline_of_college_physics_9th_ed_solution_manual1dahh.pdfIn PDF document text
- https://cdn.sqhk.co/rilowikapaz/jcjijbg/cat_wars_lion_vs_cheetah.pdfIn PDF document text
- http://mizizufiku.mywebcommunity.org/what_kind_of_questions_are_asked_in_a_nursing_school_interview.pdfIn PDF document text
- https://cdn.sqhk.co/vozaxodep/h49Xaig/notes_for_my_son_book_maria.pdfIn PDF document text
- https://zufulakoloti.weebly.com/uploads/1/3/5/3/135301661/xaziviberugoku.pdfIn PDF document text
- http://namelesssouth.xyz/xobofotijaug7q9.pdfIn PDF document text
- https://cdn.sqhk.co/dedenijikal/a6sjbZA/checkers_online_with_friends_app.pdfIn PDF document text
- https://padubutidosose.weebly.com/uploads/1/3/3/9/133997835/4280284.pdfIn PDF document text
- http://hellochildren.online/android_based_development_boardvad60.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://968bac2e-1409-45a7-bd11-2c37eba47390.filesusr.com/ugd/c81504_9814d614f78d4755880d1eca80f9fead.pdf?index=trueIn PDF document text
- https://d17f4099-ecc1-42b1-9c73-51521793457c.filesusr.com/ugd/4a2613_a5c34bbf6241475a8a61c5c82cffb04d.pdf?index=trueIn PDF document text
- https://2e5cbe44-7de3-4e3f-b94c-8a8567814465.filesusr.com/ugd/f96b02_c206e4c1b30b41f1a20b5f7646008116.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/29132109-abf2-4d40-bdac-c7041a84d33b/bmw_e30_repair_manual_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a8cb65ff-afe8-45bc-a0c9-94671e8b8fe9/how_to_make_garlic_sauce_from_dominos.pdfIn PDF document text
- https://a4edf7fa-b057-49b5-8014-e5fd436fbef3.filesusr.com/ugd/c8b2c5_7f2f081b58e34b3a86467d4a394544ea.pdf?index=trueIn PDF document text
- https://413f70bc-0247-4a04-a3fc-eabb14e2b93f.filesusr.com/ugd/f18ee6_ce35b74a7b43459a89c523f834482bd8.pdf?index=trueIn 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_off0000f607.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF607 | 5488 bytes |
SHA-256: c637301c4f91a7d2b78d4a02b84ffe17e687e83731e84c7d985e2dcf50ef2101 |
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font_01_sfnt_off00010883.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10883 | 11160 bytes |
SHA-256: 8f2ee11df99328b8133d6235108cec3352f09ff18ee012086f87d1543e266212 |
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