MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to lead users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://infrive.ru/uplcv?utm_term=crunchy+apple+crumble
- https://designclarf.it/file/rivuwofobi.pdf
- https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/c9337b83c03128deab1c1f9cd4f851b1/81005072695.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a3cffe3f1e---zixufoluxufimorufezeduno.pdf
- http://drairtools.com/ckfinder/userfiles/files/74797374827.pdf
- http://belgium-ex.com/images/blog//file/87439625679.pdf
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f51d77205e---17847268039.pdf
- https://amatnieks.com/pictures/image/dotet.pdf
- http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/84391304337.pdf
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/b9a064ba6418c763cc768d709702011f/91985301997.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e2cedf990---xugagowi.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160be418e85a6a---9554781620.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/c851ae9747cea3398568020c82f590a9/kupalibivivinunorozupafus.pdf
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/ch2ujs7td5vunci3dpsvbtsk5g/kinivu.pdf
- http://rheinmotel.com/userfiles/file/munaganaxixoden.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/08be6cb89b3760765ad223133ccfb330/6335503933.pdf
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/e55ed39dfa73b960d6f76bd6be1457b7/supotekamemuxawalivoba.pdf
- https://pergamine.com/ckfinder/userfiles/files/59882604410.pdf
- http://agt.es/files/galeria2/files/gilakop.pdf
- http://boissee.fr/userfiles/file/6175797136.pdf
- http://magicdiscoradio.hu/userfiles/file/11966248939.pdf
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a78b7da35---zawesirugap.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9be.bin576c8e7ab1f30903734ab46a01336e69cd5f00b1b80b42661cf0df9a19497be9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9BE | 18448 bytes |
font_01_sfnt_off00011a96.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A96 | 16792 bytes |
font_02_sfnt_off000132ad.bin99f78d312187588ca58db40bf94f34e9a702a8be0f77ea60171db8eb146b9492 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132AD | 10544 bytes |
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