MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous external URIs, many pointing to disposable hosting or compromised CMS uploads, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. While no scripts were extracted, the structure and URL patterns are consistent with a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://micsys.in/userfiles/file/ripofeliparixosizasipunu.pdf In PDF document text
- http://jcbcharpentebois.com/ressource/site-image/files/67445396587.pdfIn PDF document text
- http://feynburg-uhren.de/uploads/vozeguzivanovo.pdfIn PDF document text
- http://goksirkrupskimlyn.pl/img/upload/files/89749459232.pdfIn PDF document text
- http://mspchicagolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/devawij.pdfIn PDF document text
- https://inprovitcentroamerica.com/ckfinder/userfiles/files/rulovovizilazenat.pdfIn PDF document text
- http://www.egymast-segito.hu/uploaded/fck/file/tipopafenejade.pdfIn PDF document text
- http://villamishkan.com/310renonew/front/images/files/ketokip.pdfIn PDF document text
- https://franciscovalles.comtraining.cl/userfiles/files/vupirurafudu.pdfIn PDF document text
- http://club-integra.ru/userfiles/file/66370494962.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613b45e26a925---mugibaxipazisetawiburep.pdfIn PDF document text
- http://etkindenetim.com/resimler/files/nofir.pdfIn PDF document text
- https://nasikampung.info/contents/files/29557846310.pdfIn PDF document text
- http://imosa.asia/uploads/files/202109070334241474.pdfIn PDF document text
- http://slsnn.ru/content/file/38166775524.pdfIn PDF document text
- https://buildingexpertsdirectory.com/ckfinder/userfiles/files/fobevu.pdfIn PDF document text
- https://atasuorganiktarim.com/upload/ckfinder/files/fidefanujorabukave.pdfIn PDF document text
- http://15441707.com/data/board/file/20210910155714.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/161392d264da03---4934161209.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/5a040bcf8265a4bb3af8712f50d685b1/21554485178.pdfIn PDF document text
- http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/jevitozorimukuso.pdfIn PDF document text
- http://xn--9w3b270a7kf.kr/data/editor/file/52605971049.pdfIn PDF document text
- https://qigoodteam.com/uploads/files/202109130450465131.pdfIn PDF document text
- https://abicecream.ru/ckfinder/userfiles/files/74580788222.pdfIn PDF document text
- http://sbairs.com/datas/files/gijajewatixitule.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=best+paid+vpn+mod+apkPDF 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_off0000be6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE6D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d684.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD684 | 10616 bytes |
SHA-256: da6b751cc2c85d56c45d81a2ee8f2b4433fe54d76c9a7a8cad8201d16afa3122 |
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font_02_sfnt_off0000eedc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEDC | 17332 bytes |
SHA-256: d425d805c2e55f9b456125014d81f43697e9d8a06192a95ac0d9dac43251c29b |
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