MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by a machine learning classifier and ClamAV. It functions as a link farm, containing numerous URLs pointing to potentially compromised WordPress upload directories. The primary purpose appears to be directing users to external, possibly malicious, content through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ae0c6f6413a---66958078887.pdf In PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/odfhj06hovl6chpqdfir0bq4se/babibagunu.pdfIn PDF document text
- https://pensiuneavalentina.ro/app/webroot/file/25044888554.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/je9uje9p3i8njof1f913147ev2/muzezafabalomim.pdfIn PDF document text
- http://vet-arrighicolangelicristilli.eu/userfiles/files/33751449571.pdfIn PDF document text
- http://krukewittfarms.com/userfiles/file/27199576042.pdfIn PDF document text
- https://www.cittadelmiele.it/wp-content/plugins/super-forms/uploads/php/files/0ab72ac3bb5a17b6bd3bc3193916929d/dibilenebekogumip.pdfIn PDF document text
- http://timnhanhonline.com/upload/files/81059075407.pdfIn PDF document text
- https://ph2020.org/FCKeditor/file/pigipozone.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/1ba67812d3cfd20acb27af6625ce994e/gezafoxarojobojemuxag.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f93b057b6---69828576988.pdfIn PDF document text
- https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/ee5820881903f36353a1e0d8f21ef43c/nunefotosinekifubukel.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/2dd69694241b682a1f38a22420bc9a21/32430256057.pdfIn PDF document text
- https://datawire.gr/files/files/dolub.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609289c616eab---73322256867.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160ed9eec325ae---bebejugoluvozugagozulitu.pdfIn PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/57e9b3d324b987b459a9423878ff9bb4/50140646493.pdfIn PDF document text
- https://circolodelpistone.ch/userfiles/file/xubamamigo.pdfIn PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/1608c6f09059c2---87075878998.pdfIn PDF document text
- http://dui-antidote.com/images/userfiles/file/92294570302.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d51ae0ea2---56268355807.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160dd7d950c8a6---19104411765.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609207ca1500e---90804709195.pdfIn PDF document text
- http://omgmediatank.com/userfiles/files/34264836688.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c54f6f70401---kimozokagijajototirop.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=infiniti+g35+for+sale+coupePDF 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_off0000bc0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC0D | 16456 bytes |
SHA-256: c4208029f5a7a974c2182361c965e7b6a817c0f13fe8e930011363a73d46d799 |
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font_01_sfnt_off0000e6cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fee3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE3 | 11012 bytes |
SHA-256: 0656cf6428aba73960263906315359007759a745335eb9c413d909312a466d39 |
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