MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, with heuristics indicating it's a link farm and a browser extension installation lure. The document body is unreadable, but the heuristics strongly suggest a social engineering attack aimed at tricking the user into downloading and installing malicious software or providing credentials. No scripts were extracted, but the presence of numerous unknown URLs points to a potential payload delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9915
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://abe-rdc.com/userfiles/file/xiruririsi.pdf In PDF document text
- http://s-moonlight.com/CKEdit/upload/files/tepuxavivodo.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e96dc4ad5bc---rerotolasowibavokiv.pdfIn PDF document text
- http://elitvorota.ru/f/file/pidewuri.pdfIn PDF document text
- https://tedvandergulik.nl/userimages/file/dujik.pdfIn PDF document text
- http://ledseoul.com/userData/board/file/vigorono.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdbafd766f8---vofokokebonodifesajiwuze.pdfIn PDF document text
- https://magerp.org/upload/files/zalevujalavetefadatu.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608589dd5705b---tofexojukavom.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9387d2832---20427331719.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/a38f37f065c834d055641f414a7e3f77/15252403872.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/e0df7da025ca636bf4e1be0853cc5813/2452320641.pdfIn PDF document text
- http://fashioneducation.ru/userfiles/file/16726345965.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160795ee1839b4---mubifinilew.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8292362966---bilukanefox.pdfIn PDF document text
- https://askisan.com/upload/ckfinder/files/93956265987.pdfIn PDF document text
- https://doucetplasticsurgery.com/ckfinder/userfiles/files/89967705966.pdfIn PDF document text
- http://studioindelicato.com/userfiles/files/jetapejof.pdfIn PDF document text
- https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/r2bkatrvp0o1g9tjmb2cvgdicn/81317769396.pdfIn PDF document text
- http://camberwelltaxi.com/survey/userfiles/files/mamujepagelero.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1607611aa18f2c---82702250611.pdfIn PDF document text
- https://lescourailleurs.com/upload/editor/file/14550639271.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608383a564f46---42912508912.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/73g29kkeakfolv6hl3kasmqviu/tamawiwusitagamudesoro.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+cast+pixel+3+to+tvPDF 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_off000169fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x169FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001820b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1820B | 2172 bytes |
SHA-256: 27335d077669e35ad73c41353f23a00ad512bdb2f54015b8fb2f4679410023b7 |
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font_02_sfnt_off00018be0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18BE0 | 18740 bytes |
SHA-256: dd46c1ae1c8502944ea100d5c05cc922943ff0de891424099c1321abaa2f4124 |
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font_03_sfnt_off0001bd81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BD81 | 10580 bytes |
SHA-256: eba067f1ae45da27c219ce5c9f581c0d3c80a996ab09e2c8921af8f5cb2def9b |
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