MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to disposable domains, suggesting a link farm or SEO poisoning tactic. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution. The embedded URL 'https://dugedepap.ru/award?keyword=ielts+essay+brainstorming+pdf' and the link farm URL 'https://static.s123-cdn-static.com/uploads/4445558/normal_5ff37048ca2a8.pdf' are the most suspicious IOCs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://dugedepap.ru/award?keyword=ielts+essay+brainstorming+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4445558/normal_5ff37048ca2a8.pdfIn PDF document text
- http://nutejujaxi.66ghz.com/cheat_engine_apk_how_to_use.pdfIn PDF document text
- http://tifetatujuvib.22web.org/codycross_answers_group_209_puzzle_1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446492/normal_601d565e79cd9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427295/normal_604f6b79eb71c.pdfIn PDF document text
- http://safagiko.iblogger.org/jopibuwagoferipezalokoz.pdfIn PDF document text
- http://witaseru.iblogger.org/26504201452.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/103e7cbd-0c49-4253-a222-faa365526358/how_to_connect_a_hp_envy_printer_to_wifi.pdfIn PDF document text
- https://87164119-88a6-4d6d-a72f-b109cf2d88b9.filesusr.com/ugd/bd0a66_166c2f6ffd1745e69376c3f4edc5ece6.pdf?index=trueIn PDF document text
- http://mirokuf.rf.gd/merge_excel_sheets_power_query.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/75748694-aa78-4284-8fdf-ca7a22fc767f/84516283135.pdfIn PDF document text
- http://mufiwajonutewom.rf.gd/how_to_factor_trinomials_easy_way.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9babe689-7ea0-47ec-beda-a15229552164/is_presonus_a_good_brand.pdfIn PDF document text
- https://661c91a2-68a2-4ae3-aaac-ef96b6cc7894.filesusr.com/ugd/b926a8_cf95ba1068324f84a8d31e26a86acdeb.pdf?index=trueIn PDF document text
- http://rutogul.rf.gd/xapawa.pdfIn PDF document text
- https://99442e0c-e188-470f-b1e9-a2082f9e7f28.filesusr.com/ugd/2274a7_c14cc0e3e9a94445a0104f5388301c84.pdf?index=trueIn PDF document text
- http://tojegazanet.rf.gd/croatia_tourist_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f1e68dfd-4600-4d95-ac33-6c65bac6d6ba/how_to_do_simple_macro_in_excel.pdfIn PDF document text
- http://pojoxonofed.rf.gd/62149699155.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/586e0125-2bcb-4559-8c6e-7ddc1cb8733e/26033396775.pdfIn PDF document text
- http://vovugawe.rf.gd/29870004162.pdfIn PDF document text
- https://7c3dd69e-6649-485e-b385-36acc2971cd6.filesusr.com/ugd/cf9ff1_bfcb5d77b18041b082d90022f4e705ed.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/317f6e47-9e7d-4978-9a51-6f6fef802f8b/21250040776.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dac1b765-de85-4ee3-9e33-26e7636e61a3/soccer_resistance_band_exercises.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_off00010a01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A01 | 5540 bytes |
SHA-256: 78a8d33a21151241453fbd50c9558ed7c6d3822256dcfe1af353d40a19a18e79 |
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font_01_sfnt_off00011cc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CC7 | 11132 bytes |
SHA-256: 39010676f5107e4aade2a43d71d3e36c46c303dc914afc6b401532a8098aa094 |
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