MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code or redirecting users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous extracted URLs, many pointing to potentially compromised or disposable domains, suggest a phishing or content-luring campaign. ClamAV also detected this as 'Pdf.Phishing.Trojan'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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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://calendarsunrooms.com/userfiles/files/roxanivak.pdf In PDF document text
- http://szyqjsj.com/UploadFile/file/20210923194851048.pdfIn PDF document text
- https://minervatech.work/js/ckfinder/userfiles/files/sutevetulavej.pdfIn PDF document text
- https://dunaweb.co/bg_image/files/duwuxojawo.pdfIn PDF document text
- http://mintaialuminum.com/d/files/36252432120.pdfIn PDF document text
- http://sarkar.ie/userfiles/file/ximogekujagazanodisela.pdfIn PDF document text
- https://tckontrola.hr/files/39667149934.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/qa6gbisou6qffd2dnm4db745qc/nivuzokijebobakufobabojaj.pdfIn PDF document text
- http://scuolascifondocortinadolomiti.it/userfiles/files/40298807844.pdfIn PDF document text
- https://intervalhousehamilton.org/ckfinder/userfiles/files/48142251333.pdfIn PDF document text
- http://3xlove.com/uploadfile/file/8609752092.pdfIn PDF document text
- http://goodfortune.hk/UpLoadFile/file///98663598622.pdfIn PDF document text
- https://tessuno.com/upload/files/613f208508979.pdfIn PDF document text
- http://aatmicscience.org/asuserfiles/file/29936198210.pdfIn PDF document text
- http://stepasidemedical.ie/images/uploads/file/debokizagawixek.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/10b31e20bb8de3f236d8ec7aef9a20e5/rusex.pdfIn PDF document text
- https://branchennachweis.eu/userfiles/file/roduzolu.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/16145fc85dc409---digutapomediviraride.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/f74b94f39843dd23b95356bcd85eb0cc/8427222183.pdfIn PDF document text
- https://hunde-katzen.at/soubory/4990004547.pdfIn PDF document text
- https://jeevandeepspecialcare.com/ckeditor/ckfinder/userfiles/files/87500543758.pdfIn PDF document text
- http://tythb.cn/uploadfile/files/8534117271.pdfIn PDF document text
- http://dxczx.com/ckfinder/userfiles/files/20210921_041347.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=organic+chemistry+sorrell+pdfPDF 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_off0000b8b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8B6 | 16616 bytes |
SHA-256: bb75ec5c550a96e62b9d85d2283639ca721e1da1ebf3adb717522ce9ece32e35 |
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font_01_sfnt_off0000e3f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3F5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC0C | 11208 bytes |
SHA-256: 282ec1b2f111f33ca0a52cb3af88e74239e6f9f4f73add44368460d989bfff52 |
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