MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, with numerous embedded URLs pointing to potentially compromised or disposable hosting sites. The heuristic 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' specifically flags links hosted on compromised WordPress upload storage, suggesting an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://ivankotov.ru/img/lib/file/gesejad.pdf In PDF document text
- http://micronforgacsolo.hu/UserFiles/file/21376136414.pdfIn PDF document text
- http://schokozentrale.de/idata/savaw.pdfIn PDF document text
- https://manhalhealing.com/userfiles/file/52473672732.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131ca87a36b4---55019804193.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9dc6bef9d---85763096763.pdfIn PDF document text
- http://rudolphi.nu/userfiles/file/lujor.pdfIn PDF document text
- http://machinesupplier.cn/data/product/file/202196_211156_921.pdfIn PDF document text
- http://runbo.net/upfiles/files/16312313252107.pdfIn PDF document text
- http://prograsifkalip.com/files/12423769182.pdfIn PDF document text
- http://piqiso.ru/userfiles/file/lazuxe.pdfIn PDF document text
- https://mobisteelegypt.net/userfiles/file/38199487726.pdfIn PDF document text
- http://visusmarble.com/images_upload/files/2562396578.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/5678dd8cac64eef3d125298be729e5da/61719855183.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/fc5290bf29ea7ff3567b488ffe4e0e2f/78567833158.pdfIn PDF document text
- http://heryeryesil.com/resimlerfiles/91151808190.pdfIn PDF document text
- http://beiks.info/public/file/dijimabojezunutotevit.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613a7b6ed8ef0---84898678415.pdfIn PDF document text
- https://cosmeticdermatologymiamibeach.com/uploads/data/files/59795941555.pdfIn PDF document text
- http://hieuchuan.com/upload/files/36987140635.pdfIn PDF document text
- https://tbsva.org/Upload/files/20210904095346.pdfIn PDF document text
- http://pokorny-podlahy.cz/UserFiles/File/gutowemiporadiv.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=best+email+management+app+for+androidPDF 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_off0000f0f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0F5 | 17460 bytes |
SHA-256: 189491aa9730f7ff33c17e978f2015a29d582ea01b40b250c1d6627ba00971d7 |
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font_01_sfnt_off00011deb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DEB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013602.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13602 | 10892 bytes |
SHA-256: 5a3aa04c085b93fc538972303af5f0480ca46745885d353cd88fb7f1b76a8701 |
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