MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable domains, suggesting a link farm or SEO poisoning tactic. The embedded URL `https://mezovuduw.ru/123?utm_term=artritis+reumatoide+juvenil+pdf+2017` is particularly suspicious, disguised as a medical document search result. ClamAV and ML classifiers also flagged this PDF as malicious, indicating a phishing or trojan distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://mezovuduw.ru/123?utm_term=artritis+reumatoide+juvenil+pdf+2017 PDF link annotation
- http://gagimubu.mywebcommunity.org/nukegadeparamafuduj.pdfIn PDF document text
- http://nout-prodat.site/zaxewiwolokepur524.pdfIn PDF document text
- http://wide-do.top/qu_beneficios_tiene_el_zinc4vn7x.pdfIn PDF document text
- http://dommasters.site/wegiwexeyki4q.pdfIn PDF document text
- https://wizisenax.weebly.com/uploads/1/3/4/3/134320615/4201571.pdfIn PDF document text
- http://powerhdniy.space/6334024962654d07.pdfIn PDF document text
- https://momiweporav.weebly.com/uploads/1/3/4/7/134745900/judamadamim-tatamenotozumef-mobozelagilar-xinazepeb.pdfIn PDF document text
- https://pojojozujivalim.weebly.com/uploads/1/3/1/1/131164399/db183970.pdfIn PDF document text
- http://italylife.pro/pokemon_go_map_tampavtquk.pdfIn PDF document text
- https://kabudededawizo.weebly.com/uploads/1/3/1/3/131383409/6366753.pdfIn PDF document text
- https://mifavawuzizadax.weebly.com/uploads/1/3/5/9/135977912/6140376.pdfIn PDF document text
- http://mavaxur.mywebcommunity.org/ain_t_i_a_woman.pdfIn PDF document text
- http://kedugobepuged.mywebcommunity.org/o_evangelho_maltrapilho_brennan_manning.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/1eff63bc-d89f-473c-bc6b-0f40eddda277/pokemon_sun_and_moon_anime_episodes_serebii.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c0a9111-4f9f-448d-a94a-0fa6e54b76e4/pimanumijanivojizo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/692f6454-d164-4251-ac58-774f58a5e282/how_to_do_a_basic_drum_beat.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c95ef1b8-a5c9-41e8-a397-078558ce6ef9/mary_shelley_frankenstein_summary_in_hindi.pdfIn PDF document text
- http://pexofapu.myartsonline.com/booting_process_of_operating_system.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0ce0bd0e-2aca-4682-82c2-06c9e5876be2/lipijivutorevujapeviwasaz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/49f3b024-b741-4598-b24a-53e3e60d31c1/wedupet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f4a89590-d750-4ab4-82ed-c0839890cd51/62686392221.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_off00017c91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17C91 | 5720 bytes |
SHA-256: d7a58560e8eb93c8f669d8e22908dec90a8270df168be3958c43124248666595 |
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font_01_sfnt_off00019005.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19005 | 13736 bytes |
SHA-256: 3757081ea4abce99f2f91ccf29b2ddcb26c8af6ae3962e4f9707bc3e94c24bd9 |
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font_02_sfnt_off0001bbe7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BBE7 | 16232 bytes |
SHA-256: f9e711f2bfa3a8b6ac2e655ede59d1153c5b1845b6ef0bf43f0f7514c3c7ee70 |
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