MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users. ClamAV and ML classifiers strongly indicate this PDF is a phishing trojan, likely intended to lure users to malicious sites for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/doxerafemes.pdf In PDF document text
- http://kdekdyjak.cz/data/86994028595.pdfIn PDF document text
- http://cornaredo.gattinonimondodivacanze.it/themes/userfiles/files/vimukefokimozijemerub.pdfIn PDF document text
- http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/gexubabonozurek.pdfIn PDF document text
- https://quatden.vn/webroot/img/files/viwisisizulapavirafu.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16134d82b6c5bc---getobumolamatiku.pdfIn PDF document text
- https://sbsoftware.ro/admin/userfiles/file/78631264305.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161384efb8bfb9---ruxiginipigo.pdfIn PDF document text
- http://sunway.me/ROOT_PATHuploads/file/07090411699.pdfIn PDF document text
- https://zegaoyun.com/calisma2/files/uploads/31517061352.pdfIn PDF document text
- http://iamsong.vn/uploads/files/6962682132.pdfIn PDF document text
- http://print-printonline.com/ckfinder/userfiles/files/77370440339.pdfIn PDF document text
- https://cytairtool.com/test/userfiles/file/20210911_2d9e1.pdfIn PDF document text
- http://bluecars.pl/userfiles/file/29554133415.pdfIn PDF document text
- http://vansuloi.com/uploads/userfiles/file/32903957935.pdfIn PDF document text
- https://ta-taiwan.com/app/webroot/userfiles/files/jakiw.pdfIn PDF document text
- https://tiemhoahaibara.com/data/dulieu/files/mamosiduwidag.pdfIn PDF document text
- http://www.smartusb.info/images/library/File/51091733418.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/9b5d221ac753c6471ce87c8d2781d3ef/82983623364.pdfIn PDF document text
- https://tongdaidoanhnghiep.com/app/webroot/upload/files/58899043818.pdfIn PDF document text
- http://skmsm.com/userData/board/file/wupoduduwinatomebegit.pdfIn PDF document text
- http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee4aecdaec---mogewuramikut.pdfIn PDF document text
- http://www.elstar.ru/uploads/files/27263662031.pdfIn PDF document text
- http://gocep.org/data/userfiles/files/4061790450.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=3d+iphone+live+wallpaperPDF 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_off0000da9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA9F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2B6 | 10448 bytes |
SHA-256: a8623b834b4bd442337fec894fcb2930d8fbd81d45c6d7d4166f01ae946852f1 |
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font_02_sfnt_off00010a4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A4C | 18184 bytes |
SHA-256: 7cdb1d7d776ab7bf0f2bd5a966425f2db31ad08de3dcb1b0a8db629764465c1a |
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