MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://queure.ru/uplcv?utm_term=britax+allegiance+convertible+car+seat+manual PDF link annotation
- http://jyotiacademicpress.org/uploads/file/vebamefi.pdfIn PDF document text
- https://livre-d-art.com/ckfinder/userfiles/files/35093014333.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/fe03d403bcd860269ccd8890f8e755f1/jexudajivelugobomipiwevo.pdfIn PDF document text
- https://weeb.nu/userfiles/file/11109779092.pdfIn PDF document text
- http://chornakorn-packing.com/ckfinder/userfiles/files/61805761598.pdfIn PDF document text
- http://ulleungroadtour.com/FileData/ckfinder/files/20210721_2BEF15C006AA541D.pdfIn PDF document text
- https://annjulieskarpmo.com/userfiles/file/88487656602.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/9e71e641813f6b83c60d6826070c474d/4542504385.pdfIn PDF document text
- http://kondicionery-fryazino.ru/upload_picture/file/3737873630.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609f29c90c4dd---97229285002.pdfIn PDF document text
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086be3b087bb---83885605101.pdfIn PDF document text
- http://thcsnguyenvanhuyen.hoaiduc.edu.vn/ckfinder/userfiles/files/lupebewojegowe.pdfIn PDF document text
- https://anpheatingandac.com/nbloom/fckuploads/file/19852048340.pdfIn PDF document text
- http://pantryscan.com/123cars/imagefck/file/15363561643.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a6bd67b4a6d---8726397654.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/80fb93e1509a3fd03d8ba1ab19506b5d/67085287648.pdfIn PDF document text
- http://salon-urody-bellis.pl/images/file/rakotunabazufevo.pdfIn PDF document text
- http://branpc.in/ckfinder/userfiles/files/fipalipezajenafe.pdfIn PDF document text
- http://terremeraude.com/userfiles/file/36649534322.pdfIn PDF document text
- http://www.videocopilot.net/assets/public/ckfinder/userfiles/files/88297015846.pdfIn PDF document text
- http://coachhouse.info/assets/file/zigalumipab.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/dvtghu9rjti9pakenju9to2dc0/rojasosobavikubasujunu.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://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_off0000b52d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB52D | 14636 bytes |
SHA-256: b35a109282e0a6c0b8168f545f92893367d5b3f6e97ccaa95fc0ae91e5945b2c |
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font_01_sfnt_off0000d9cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f1e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E4 | 11032 bytes |
SHA-256: 6e69cb5165d4a39df724f740b014e8808e2df4416eb0d57eb2e6cfb7652eaf65 |
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