MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, with numerous URLs pointing to potentially compromised WordPress sites and other domains, likely intended to redirect users to malicious content or phishing pages. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a pattern of using disposable hosting for these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a1a64296fd---77369469278.pdf In PDF document text
- https://doan295doson.vn/namthuan/images/news/files/gakavas.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a21cdb3b367---7506402709.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/56245492626.pdfIn PDF document text
- https://mamo-tato.ro/userfiles/file/gaxisemewivugateg.pdfIn PDF document text
- http://www.tekkoo.net/images/library/File/21650582481.pdfIn PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/826917999cab15aca0f11266d90180ac/laridabupaxixalumevunilaf.pdfIn PDF document text
- http://soldresold.com/Shradhdha-Mehra/soldresold/final/ckeditorimage/files/tuligabebikiburamaw.pdfIn PDF document text
- http://status-go.net/gfx/userfiles/files/49912390540.pdfIn PDF document text
- https://drproperty.in/userfiles/file/mosatamekowinatibovi.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6b24b9851---tavorefipobibesew.pdfIn PDF document text
- http://maxbrio.kr/files/files/33499097072.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/167f1120fa20aee4ee33319cfe770e80/68768388604.pdfIn PDF document text
- http://ned.ru/uploads/files/73210307770.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/ruboxewag.pdfIn PDF document text
- http://warraichmeats.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077546f31098---7479150229.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d6aed003d---zenitibukivefonuworifagas.pdfIn PDF document text
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160c997bdd9b21---9581349349.pdfIn PDF document text
- https://soudurelausiere.ca/upload/editor/file/fatewesefil.pdfIn PDF document text
- http://linker-apps.com/files/86600207757.pdfIn PDF document text
- http://atthaya.com/file_media/file_image/file/vibejewagavavakixod.pdfIn PDF document text
- https://artinterior.bg/userfiles/file/bixuvusudokijodiripav.pdfIn PDF document text
- https://habibitours.net/ckfinder/userfiles/files/labevewilimogegizibizeb.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=concierto+de+aranjuez+joaquin+rodrigo+pdfPDF link annotation
- 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_off0000db2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB2F | 11048 bytes |
SHA-256: d7f44cd4a18f73a9426e995b2b92e5013f4d291dbeb787e46104cd6e970bd7b6 |
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font_01_sfnt_off0000f488.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF488 | 19944 bytes |
SHA-256: 7acacb5d93ad33988c4bdb347923ca32b84b2ff4102238af79b4282e4aa659be |
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font_02_sfnt_off000127de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127DE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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