MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file detected by ClamAV as Pdf.Phishing.Trojan. It contains numerous external links, many pointing to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users. The ML classifier also strongly flagged this PDF as malicious. The presence of multiple PDF link farm heuristics indicates a deliberate effort to obscure the final destination and potentially distribute malware or conduct phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://kapsalonvogue.nl/files/file/lusarevakix.pdf In PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130510ba41b1---60962985529.pdfIn PDF document text
- http://diamantina-joaillerie.com/ckfinder/userfiles/files/98451941939.pdfIn PDF document text
- https://ateliersmq.com/pevron/www/img/file/wanagiravidexogamodefa.pdfIn PDF document text
- https://galaxytraining.examinationonline.com/files/90989011169.pdfIn PDF document text
- http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fowifajigoz.pdfIn PDF document text
- http://xn----7sbev0bhje.xn--p1ai/images/news/file/wozemaledonoritozojoxuvol.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/59bff61d0ccb9ffe44d903fdc1ce3db2/54568077890.pdfIn PDF document text
- https://aymfly.com/aym_image/files/3521546891.pdfIn PDF document text
- http://harmonie-avion.fr/actualite/files/figojizur.pdfIn PDF document text
- http://soupworld.de/upload/file/39779599994.pdfIn PDF document text
- https://lhorizon.ca/uploadHorizon/file/75747829671.pdfIn PDF document text
- http://shriramashramps.org/userfiles/file/44002575955.pdfIn PDF document text
- https://www.sudicobank.com/ckfinder/userfiles/files/dudezivawonavotum.pdfIn PDF document text
- http://holidayservicemarsala.it/userfiles/files/rilekovogulapaxibi.pdfIn PDF document text
- http://trufeel.com/ckeditor/ckfinder/uploadfile/files/31073610652.pdfIn PDF document text
- http://arabic.cz/ckfinder/userfiles/files/35490053520.pdfIn PDF document text
- http://a2kat.ru/userfiles/file/87168414690.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc9071fb62---60830979484.pdfIn PDF document text
- https://mar3ol.com/Files/files/56269167877.pdfIn PDF document text
- http://4chan.ro/UserFiles/file/85455615406.pdfIn PDF document text
- http://ledspectrumthai.com/ckfinder/userfiles/files/57396016930.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=new+code+in+all+star+tower+defensePDF 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_off0000e7a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A6 | 10532 bytes |
SHA-256: ca8f3ee5daa41eaeccca6c694768c434f6e03a2762f8a14dbc7209c2ad403366 |
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font_01_sfnt_off0000ffce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFCE | 18336 bytes |
SHA-256: fa2d7dc6681af408af6d0e43e5fcd90e66f094e1081ce452ce9df432b1d4202c |
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font_02_sfnt_off00012f24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F24 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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