MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to websites hosted on compromised CMS platforms or disposable hosting, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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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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://kliknetezde.cz/admin/obrazky/file/99125497480.pdf In PDF document text
- http://placidlakes.com/larpm/uploads/file/belesibifewikonisepoz.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136db8b58348---48722413469.pdfIn PDF document text
- http://hotel-gerard-dalsace.com/upload/document/tewabozuzeja.pdfIn PDF document text
- http://ozt.zielonetarasy-cieplice.pl/uploads/userfiles/files/43478915807.pdfIn PDF document text
- https://serihosting.com/calisma2/files/uploads/lofinonudewaki.pdfIn PDF document text
- http://kebirbeton.com/userfiles/file/zevazilemagazitigomir.pdfIn PDF document text
- http://fratellibeninca.com/images/file/65686251360.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/godarivasafojugaropozudog.pdfIn PDF document text
- http://intertribo.sk/files/molosekivo.pdfIn PDF document text
- https://aimtronu.org/userfiles/file/99200319314.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc146ccc45---49267759673.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614795b41f415---zamazaxuwakupo.pdfIn PDF document text
- http://www.naturhalles.fr/fckeditor/userfiles/file/tolomenagekazabima.pdfIn PDF document text
- https://superchills.com/userfiles/file/fimudor.pdfIn PDF document text
- http://techmechengineers.com/uploads/kexodenitekoguromug.pdfIn PDF document text
- https://ans5680.preneed91.com/upload/files/nakewisol.pdfIn PDF document text
- http://suarezbeltran.com/aym_images/files/78993263244.pdfIn PDF document text
- http://startent.ru/SITE/files/editor/file/93394615459.pdfIn PDF document text
- http://cofetariafraguta.ro/UserFiles/file/43611473483.pdfIn PDF document text
- http://santeh.md/img/files/dawevowesawemo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=scrcpy+android+tvPDF 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_off0000af67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF67 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c779.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC779 | 19532 bytes |
SHA-256: ac5b921be1fcf4e66d38cbdd10de230e77848d29914fff0d9171636103af7378 |
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font_02_sfnt_off0000fa19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA19 | 10416 bytes |
SHA-256: 4d00ade273a9e5d9075d949889cb8216eb65a22785904f70a7213770f895faad |
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