MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF containing embedded JavaScript, which is often used to download and execute further payloads. Heuristics indicate the PDF contains a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting an attempt to distribute malicious files. The presence of a visual download button further supports a phishing or social engineering lure. ClamAV detection confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 8
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://re-view.online/fckFiles/file/35149098470.pdf In PDF document text
- https://cpsguffanti.com/uploads/file/53760212599.pdfIn PDF document text
- https://okna-kursk.ru/page_edit/_samples/userfiles/files/41612866735.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/e975e219592b88c5de379a6424fa781e/xawakigafarinubikizawezor.pdfIn PDF document text
- https://houstoncoinshow.org/FCKeditor/file/56494995894.pdfIn PDF document text
- http://ugyvednok.hu/userfiles/file/19949676410.pdfIn PDF document text
- https://ietc-oman.com/userfiles/files/86829370014.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f1074320052---lazax.pdfIn PDF document text
- http://isemya.by/modules/ariol/static/ariol/ckfinder/files/lavonikamebomopun.pdfIn PDF document text
- https://perfectprojects.ro/userfiles/file/jirojosiripekubidu.pdfIn PDF document text
- https://unicorn.mn/js/ckfinder/userfiles/files/tuzimu.pdfIn PDF document text
- https://dimensioninteractive.com/WYSIWYGImage/file/vegabewaromu.pdfIn PDF document text
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/90a4e4928359a97ea3ad0cbd10072cdc/78404233613.pdfIn PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/kazupoxiwapif.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/99869155292.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bac4fea089e---50535603746.pdfIn PDF document text
- https://rubyyadav.com/nbloom/fckuploads/file/91031018836.pdfIn PDF document text
- http://xiaohecollege.com/d/files/kasinitaw.pdfIn PDF document text
- http://dulwichtaxi.com/survey/userfiles/files/12566646602.pdfIn PDF document text
- https://aslplastic.com/ckfinder/userfiles/files/lafedori.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f17e63370a---85657254985.pdfIn PDF document text
- http://www.saveurspoitoucharentes.com/admin/ckfinder/userfiles/files/pibilufovenepu.pdfIn PDF document text
- http://warraichmeats.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081af6e34f97---3744332469.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086f943359f6---19558159548.pdfIn PDF document text
- https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/vapamekuzabemik.pdfIn PDF document text
- http://inwallendorf.de/userfiles/file/wigikoganof.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=high+end+yaariyan+full+movie+download+hd+720p+worldfree4uPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00018873.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18873 | 16120 bytes |
SHA-256: 19fb3e0837d6f9ee728c5331d7bb33e1bff3d595bd4ca4a0aae7833d7d421d60 |
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font_01_sfnt_off00019dcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19DCD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001b5e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B5E4 | 11408 bytes |
SHA-256: c8de3a56a88c42d4ffe6661457678337e285bcb942d9a2f3b0df456feb888d47 |
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font_03_sfnt_off0001d073.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D073 | 19192 bytes |
SHA-256: f117f1ea7ea79733647268efdc9a9af57b8eaa8b07927f9387c013c052929688 |
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