MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to obscure the final destination. While no scripts were directly extracted, the PDF structure and embedded URIs indicate a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://tiga.co.th/ckfinder/userfiles/files/tojebulafejepoxelo.pdf In PDF document text
- http://soncongnghiepjotun.com/media/ftp/file/bitoloveda.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/4e41a800116e4c1e9dbaf8bc07f1de0f/55792451930.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/161414294060a9---79450140374.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/161408ef4438d7---fetaluzufo.pdfIn PDF document text
- http://headrepublic.pl/images/files/40024150460.pdfIn PDF document text
- http://jinruily.com/UploadFile/file/20210906004613978.pdfIn PDF document text
- https://playerpress.com/ckfinder/userfiles/files/vidonorutubudo.pdfIn PDF document text
- https://nevjegyzek.eu/uploads/file/topajimadamitexasiki.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/edmhe866n8agvejs50f02kg956/2407501429.pdfIn PDF document text
- http://kondicionery-pushkino.ru/upload_picture/file/73911937692.pdfIn PDF document text
- http://munnartourism.com/uploads/file/33853507434.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ae35de6129---togonokokamakana.pdfIn PDF document text
- http://beccaro.it/userfiles/files/laxeb.pdfIn PDF document text
- https://k85shj16h-561lt.com/contents/files/degejavetizupena.pdfIn PDF document text
- http://www.azurwelcomeservices.com/userfiles/file/48419846706.pdfIn PDF document text
- https://babetravelling.com/ckfinder/userfiles2/files/79023338255.pdfIn PDF document text
- http://zhuxintrading.com/uploads/ckfinder/files/20210919/16320315811464.pdfIn PDF document text
- http://compagniaviaggi.gattinonimondodivacanze.it/themes/userfiles/files/1514209742.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/005f3ec1c792c1ccfd2810fa2945112c/36854224978.pdfIn PDF document text
- http://digilit.ir/basefile/digilitir/files/ditetenofovonijoxevuwa.pdfIn PDF document text
- http://de.ruben.pl/ckfinder/userfiles/files/totivolotagol.pdfIn PDF document text
- http://hstairan.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/85297861232.pdfIn PDF document text
- https://www.confirmedtour.com/files/97209413506.pdfIn PDF document text
- http://chernogolovka.inhome360.ru/admin/ckfinder/userfiles/files/norodibezobipipafajuwa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=vidmate+app+mp3+free+downloadPDF 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_off0000bcd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCD1 | 15892 bytes |
SHA-256: deef42abe72a20285773a5ad526ca446a21676c93d159c5a9ef8535953d87ddb |
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font_01_sfnt_off0000e537.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE537 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fd4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD4E | 10716 bytes |
SHA-256: bf2a4be808d57cc8c44c4f7d5587469257234e8d904ba70164e8d4f8aec60ece |
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