MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous embedded URLs pointing to compromised websites and disposable hosting, characteristic of a link farm used to distribute phishing content or malware. The heuristic 'SE_SECURITY_BYPASS' suggests the document may also instruct users to disable security measures, further increasing the risk.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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://oniceh.ru/uplcv?utm_term=how+to+put+music+in+imovie+on+mac PDF link annotation
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/mn3giar5ns5rko1emhi2uf8u73/goxuxufajeragagoxab.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608d899c66267---732897212.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc22c4b07b---zutanowed.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed8ba7a47f---xoruxitave.pdfIn PDF document text
- https://weeb.nu/userfiles/file/326647209.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/2e53334c865f5b8fc5548abe0bf29a81/fajelabilotekusexav.pdfIn PDF document text
- http://zaun-produzent.de/userfiles/file/26216815487.pdfIn PDF document text
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/qbkm2jdkgho1pv2q6pc9ss4iat/35724852250.pdfIn PDF document text
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3303a10e8---63723454114.pdfIn PDF document text
- http://naturallabs.de/userfiles/file/gezok.pdfIn PDF document text
- https://lensprovn.com/ckfinder/userfiles/files/bigifipukezafa.pdfIn PDF document text
- http://cuspsurgeons.com/userfiles/file/nupetuxumoxapa.pdfIn PDF document text
- https://bachson.net/upload/file/39338723972.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/32812018093.pdfIn PDF document text
- https://pioneerlift.com/upfiles/editor/files/30717660340.pdfIn PDF document text
- http://christschoolblr.in/userfiles/file/37958324423.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/xirizugemubored.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_off0000e4d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4D7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fce9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCE9 | 17480 bytes |
SHA-256: 847153d3677a8dc768336ccf9cf6f6ca5a624cda2c2271d8187cd87410f1bc9b |
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font_02_sfnt_off00012a99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A99 | 10632 bytes |
SHA-256: c24f2a5aee320e72ee0801427a5855cc644bb3307c1b01ef079f7fc47f251414 |
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