MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories. These links likely lead to further malicious content or phishing pages, indicating a spearphishing attachment attack vector. The document body is heavily obfuscated and unreadable, providing no direct clues to its intent beyond the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa88c57b460---42530855848.pdf In PDF document text
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/8b9b0714ee9691739e4599fb11419510/wuvavawevepugejeli.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1af34e6637---70362957970.pdfIn PDF document text
- http://ore-processing.ru/d/files/92874258621.pdfIn PDF document text
- http://skkouty.cz/ckfinder/userfiles/files/mokobuju.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/23c0835df1623ac7130b9b3a90f2620d/fimibojeposejulasodawavu.pdfIn PDF document text
- http://linker-apps.com/files/33409505193.pdfIn PDF document text
- http://didula.ru/img/file/nafavetuwazulotalu.pdfIn PDF document text
- https://peptidturkiye.com/ckfinder/userfiles/files/62387635597.pdfIn PDF document text
- https://ichibaninfotech.com/ckfinder/userfiles/files/50776640701.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/1be9c82d18d9ed8028ff9ae71b336682/98167726348.pdfIn PDF document text
- https://www.netcorp.hu/data/editorfile/puwifelifadolurinide.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085257c8513c---84184780798.pdfIn PDF document text
- http://kopdesign.nl/userfiles/file/67534089184.pdfIn PDF document text
- http://rotang.net/userfiles/file/73266668488.pdfIn PDF document text
- https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/5c69d036c0454ce5c230697da184baad/91518532213.pdfIn PDF document text
- https://congthuonghotel.vn/app/webroot/files/images/pages/files/wirisetigoxubafuson.pdfIn PDF document text
- http://phuquytravel.com/nguyenvanlinh/files/1685818866.pdfIn PDF document text
- http://normandyclassof79stl.com/clients/e/e1/e16d7b8530e96d8d426d6b963c92b0b5/File/99135363489.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d741b260ad8---jiwubetigupigavizeveto.pdfIn PDF document text
- http://energo-winstal.pl/userfiles/file/fofedasezupawuvewixa.pdfIn PDF document text
- http://okuninka-biale.pl/userfiles/file/fexaz.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/ba68ec4cdc9bdbe9161f56ef35feef67/rosira.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/b98q7a5ho7t7kik06i9v1r1666/62575959754.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=upper+back+pain+hurts+to+breathe+and+movePDF 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_off0000bb10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB10 | 15368 bytes |
SHA-256: a47487d52b87dd4206ce397d8512ca8e1b8d3afb674188f1b72ae37a500b0013 |
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font_01_sfnt_off0000e1df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1DF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f9f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9F6 | 11140 bytes |
SHA-256: de667afaf6641792d8cd8ffa4d0cef8729ab95f039651df7f57a8e0a16ef4596 |
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