MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many of which are part of an SEO link farm designed to redirect users. The primary URL, https://gimoguvi.ru/award?keyword=advanced+trauma+life+support+mcq+pdf, is flagged as a lure for free downloads, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support the malicious nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://gimoguvi.ru/award?keyword=advanced+trauma+life+support+mcq+pdf PDF link annotation
- http://telovajov.medianewsonline.com/rixojagiz.pdfIn PDF document text
- https://wudegilunukoga.weebly.com/uploads/1/3/1/3/131379548/3811895.pdfIn PDF document text
- https://gozaxuvo.weebly.com/uploads/1/3/4/6/134612917/sozojinu.pdfIn PDF document text
- http://saganofodevuset.22web.org/zovaromojuzifajunitep.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://noratev.myartsonline.com/87570532847.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/05996940-4716-4af2-ba4b-0d733bf8788a/46002859922.pdfIn PDF document text
- http://nibizuladode.onlinewebshop.net/kimotumunen.pdfIn PDF document text
- https://s3.amazonaws.com/xufaxoferugod/free_genealogy_tree_template.pdfIn PDF document text
- http://lejemerane.epizy.com/dubbed_horror_movies_in_telugu.pdfIn PDF document text
- https://s3.amazonaws.com/kavalukato/how_to_setup_emerson_wireless_thermostat.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5bee131d-6e2b-40c5-8afb-0f41fa53c237/ms_310_stihl_specs.pdfIn PDF document text
- http://kugogawi.rf.gd/fewarojewababepegodevada.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/effbe83e-ac3f-40ee-9c08-6d2a7e17566c/jiputesajejasozinuv.pdfIn PDF document text
- https://s3.amazonaws.com/kavifunaruvi/hempathane_topcoat_55210_technical_data_sheet.pdfIn PDF document text
- http://nozanela.epizy.com/drug_book_2020.pdfIn PDF document text
- https://s3.amazonaws.com/wefadep/bupopalar.pdfIn PDF document text
- https://s3.amazonaws.com/gixawetopoli/osmosis_and_diffusion_egg_lab_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/banula/89656892537.pdfIn PDF document text
- http://ebookisme.duckdns.org/atls_mcq_question_bank.pdfPageIn 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_off0000e6c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6C9 | 5476 bytes |
SHA-256: 7ae92550e577386c0ef366ab8197d6937f39b13ca1d45b340ca1b133c995cd1b |
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font_01_sfnt_off0000f95c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF95C | 10804 bytes |
SHA-256: 10dfc4a76b8b044d9d340d6d9863b6d581322ffefe04e73de00f4012a0666a92 |
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font_02_sfnt_off00011e45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E45 | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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