MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting. These links likely serve to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://newfrio.com/userfiles/files/fekaxuf.pdf In PDF document text
- https://mobilpetrol.olajpark.hu/files/files/87538418452.pdfIn PDF document text
- http://gearonlaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/norupubamodeg.pdfIn PDF document text
- http://creatinglifeoptions.com/userfiles/files/navazitonakow.pdfIn PDF document text
- http://szkolaprzybranowo.pl/ckfinder/userfiles/files/55863803012.pdfIn PDF document text
- http://arabstina.com/ckfinder/userfiles/files/23218481570.pdfIn PDF document text
- http://pass38.com/images/contentimages/files/90527005237.pdfIn PDF document text
- http://servicedental.it/userfiles/files/nomilifotamamudebed.pdfIn PDF document text
- https://www.scmsgroup.org/ckfinder/userfiles/files/doranakaxovi.pdfIn PDF document text
- http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/22368840377.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139c9f76854c---63374677536.pdfIn PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161416616377a4---5829173797.pdfIn PDF document text
- http://www.predia.cz/userfiles/file/43737810216.pdfIn PDF document text
- https://ixiu-23.com/uploads/files/202109091820135558.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613afc16ef20f---kepuwosejizaz.pdfIn PDF document text
- https://lotte-ppta.net/beta/assets/file/tiwij.pdfIn PDF document text
- https://sowlindia.com/userfiles/file/89431210726.pdfIn PDF document text
- http://utcsp2.rustyramone.com/uploads/files/rotopo.pdfIn PDF document text
- https://pnp-studio.com/fckeditorfiles/file/makajefanatiliziligikolib.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161410f2b90662---xigumewexotidinagor.pdfIn PDF document text
- http://studioiulianella.it/userfiles/files/nojevilum.pdfIn PDF document text
- http://everest-c.ru/ckfinder/userfiles/files/vigitotubejag.pdfIn PDF document text
- https://edenestates.com/ckfinder/userfiles/files/60712888967.pdfIn PDF document text
- http://emusicmarket.com/upfile/board/files/87777817856.pdfIn PDF document text
- http://candientu24h.vn/webroot/img/files/83234600221.pdfIn PDF document text
- http://maquinandoysubastando.com/dleyes/admin/fotos/file/mafomasoxosepera.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=it+chapter+two+full+movie+online+freePDF 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_off0000c435.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC435 | 17532 bytes |
SHA-256: 1d1fafa14aaf26a71274f7e3f5785aebc46483f1b561bc0de363cc647936d233 |
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font_01_sfnt_off0000f1c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1C2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000109d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109D9 | 10780 bytes |
SHA-256: 0ae8f8064773175a5333e07b7e856a7e443db781a4a5eef73d277cd37a5125fc |
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