MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URLs, many hosted on compromised or disposable domains, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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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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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://pistant.ru/uplcv?utm_term=android+media+projection+screen+capture PDF link annotation
- http://studio70.eu/userfiles/files/21911230188.pdfIn PDF document text
- https://brihat-group.com/assets/userfiles/files/57381057750.pdfIn PDF document text
- http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/linurawuka.pdfIn PDF document text
- http://hanlacsclub.com/ckupload/files/21791576559.pdfIn PDF document text
- http://hagelkonzept.com/userfiles/file/77903654154.pdfIn PDF document text
- http://techbis.pl/files/file/kofizuzudowida.pdfIn PDF document text
- http://2safe4u.cz/UserFiles/File/zogegawofokovavad.pdfIn PDF document text
- http://baltic-rt.ru/ckfinder/userfiles/files/21048165079.pdfIn PDF document text
- http://alsace.annuaire-regional.com/ckfinder/userfiles/files/98241503424.pdfIn PDF document text
- http://jtylek.pl/Upload/file/48443491392.pdfIn PDF document text
- http://www.icareonline.net.au/ckfinder/icare/files/82183681148.pdfIn PDF document text
- http://elandtour.com/FileData/ckfinder/files/20210903_700AFD2B769F0270.pdfIn PDF document text
- http://studiolauramoschini.it/userfiles/files/38417836144.pdfIn PDF document text
- https://yukkumpulgroup1.com/contents/files/31670133900.pdfIn PDF document text
- http://rambud.pl/uploaded/file/weriruxokufuwipesiji.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613dfc4a6ab8d---85909875211.pdfIn PDF document text
- https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/55682259233.pdfIn PDF document text
- https://bloomland.com/sites/bloomland.com/files/daxavumetadapelokizukul.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/7ab4074ea2854acce69c26d78a600095/fuvonapugifedokutudar.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/161424f76d7ed8---69112818502.pdfIn PDF document text
- http://studiocinti.eu/userfiles/files/66336965890.pdfIn PDF document text
- https://nguyenvanhuongloc.vn/app/webroot/files/images/pages/files/37509253938.pdfIn PDF document text
- 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_off0000affa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFFA | 16252 bytes |
SHA-256: 498aa44e7e5f45d36918c360b316688ff906799daf3ad0b6ebd8408ca7e46385 |
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font_01_sfnt_off0000d9e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9E8 | 10840 bytes |
SHA-256: 021aa84398cc777587b542fa80a59b21d00f88a8c5e3c675d6192438dac5bb03 |
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font_02_sfnt_off0000f2e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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