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 domains, indicating a link farm designed to lure users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or trojan payload delivery mechanism. The presence of multiple external URI heuristics further supports the malicious intent of redirecting users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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://crewmak.ru/uplcv?utm_term=vidmate+app+free+download+for+android+mobile+old+version PDF link annotation
- http://cornaredo.gattinonimondodivacanze.it/themes/userfiles/files/23386945659.pdfIn PDF document text
- https://kmkmekanik.com/upload/ckfinder/files/53620736968.pdfIn PDF document text
- https://stgeorgedentalcare.in/ckfinder/userfiles/files/mowevamafijopisig.pdfIn PDF document text
- https://yocarbroker.com/upload/ckfinder/files/povimugekexenuf.pdfIn PDF document text
- http://julianina.dk/upload/file/40179192696.pdfIn PDF document text
- https://hirurgija.me/files/xunifolawipelewak.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/de7fccb8dfkq1f1rptpjctp0uh/64332096467.pdfIn PDF document text
- http://ptaki.info/imgekoprojekty/files/xosigimotigukomipefogaj.pdfIn PDF document text
- https://aramlasmerok.hu/uploads/file/2877241096.pdfIn PDF document text
- http://profil-metall.de/content/uploads/file/guxigukegesejobujowuleti.pdfIn PDF document text
- https://mobilieroccasion.fr/uploads/file/sugafejibufupe.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161447d5e8dd87---40149144792.pdfIn PDF document text
- http://aktifbant.com/resimler/files/2368951188.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/161338da91e2c4---fowowetowivoviximabemu.pdfIn PDF document text
- http://avesta-hmora.boj.se/uploads/userfiles/files/jinawupitibin.pdfIn PDF document text
- http://lamelove-zakryti.cz/userfiles/file/pirukibosu.pdfIn PDF document text
- https://llbyggodesign.se/UserFiles/files/gigixezeduputuravoxewug.pdfIn PDF document text
- http://haisushitogo.com/uploads/files/29925092499.pdfIn PDF document text
- http://studio-orlandini.com/userfiles/files/46149106900.pdfIn PDF document text
- http://yigang-lin.com/uploads/files/202109222125041473.pdfIn PDF document text
- http://lumieye.com/userData/ebizro_board/file/fufazil.pdfIn PDF document text
- https://nidi.mk/ckfinder/userfiles/files/lilezaxivitu.pdfIn PDF document text
- http://capital96.com/userfiles/file/66118985544.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161351494d2f05.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_off0000af14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF14 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c72b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC72B | 10920 bytes |
SHA-256: 23a26a7e0a8ea27d09173b7aacf5e6bcb7fa0ebdf27865eec4a3e5982d25bbb0 |
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font_02_sfnt_off0000e03c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE03C | 14852 bytes |
SHA-256: 7e08046b7017bbd36990ed33810b316d2c9721f49ebe95cc85897b4e01b77526 |
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