MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users to malicious sites. The presence of external URIs and link farms indicates an attempt to lead the user away from the document to a potentially harmful destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079ccc51f9d5---659167787.pdf In PDF document text
- http://coaching-scolaire.net/userfiles/file/87053114333.pdfIn PDF document text
- https://deshpanday.com/ckfinder/userfiles/files/nesusatuduwubalipuxuseviz.pdfIn PDF document text
- http://silesiacapital.eu/data/file/monawuvubewut.pdfIn PDF document text
- http://tangiahoang.com/skinkorea/Images_upload/files/23283440630.pdfIn PDF document text
- http://valeneighbors.com/userimages/69922318032.pdfIn PDF document text
- https://negaratoto.com/contents//files/firuk.pdfIn PDF document text
- http://autoscuolepintozzi.it/userfiles/files/22753442582.pdfIn PDF document text
- http://partnerplus30.ru/images/fornews/files/jojigiselelaloxekegekore.pdfIn PDF document text
- http://fouladsazanco.com/Upload/file/22381914748.pdfIn PDF document text
- http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/47561627096.pdfIn PDF document text
- http://forumcutuca.com/ckfinder/userfiles/files/dewodobalodafupapipemu.pdfIn PDF document text
- http://velapower.com/glwh/UploadFile/file/2021081613233673499.pdfIn PDF document text
- http://www.ddu-hk.cz/ckfinder/userfiles/files/73231914369.pdfIn PDF document text
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/cbkglhj4po14kqufua3kerkask/kurogajakesem.pdfIn PDF document text
- http://dagmar-e.de/userfiles/file/29034941490.pdfIn PDF document text
- http://catgarner.com/clients/873270/File/1159458399.pdfIn PDF document text
- http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/8054136200.pdfIn PDF document text
- http://bindashnews.com/userfiles/file/xikunuzipizorisupi.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1f74bbfeb---bafelufatavelulizupej.pdfIn PDF document text
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/t4dacmqt6gr47h0qkr8dh9grb2/birewog.pdfIn PDF document text
- http://gldbirdgel.com/user_img/files/joxuripuraridogod.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c26d1c9ae---53127227333.pdfIn PDF document text
- https://faresaldabbous.com/uploads/files/56150337040.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=speakout+pre-intermediate+2nd+edition+pdf+free+downloadPDF 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_off00014ae7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14AE7 | 22160 bytes |
SHA-256: 81ba708e1f9ed6a44a0a0e5e49ce84897667a6fe52b35ca563b476d7ed5de285 |
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font_01_sfnt_off00018517.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18517 | 11000 bytes |
SHA-256: a80189f882e1321887e5542445c739f070677ede4c932af4dfce9cd2c264e8ca |
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font_02_sfnt_off00019ec8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19EC8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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