MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a phishing or trojan-like nature. It functions as a link farm, with numerous embedded URLs pointing to external sites, some of which are hosted on compromised WordPress installations. The presence of multiple external links and the ML/ClamAV detections suggest an attempt to lure users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://ebrinteractive.com/userfiles/file/zixedoxejovonarunurekitop.pdf In PDF document text
- http://notar-frings.de/userfiles/file/manibupi.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/b7db96b279014f47c48ee9f4164657c2/12488336631.pdfIn PDF document text
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/161377c22963d9---18523378654.pdfIn PDF document text
- http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/68802785000.pdfIn PDF document text
- http://surtek.biz/image/files/20150320_141624.pdfIn PDF document text
- https://underworldgear.com/admin/images/fckImg/file/zuvunodaziwewaxo.pdfIn PDF document text
- http://weddingdove.tw/uploads/files/202109101947099778.pdfIn PDF document text
- https://abzesolar.com/uploads/files/21204858906.pdfIn PDF document text
- http://z-i-f.ru/userfiles/file/keniz.pdfIn PDF document text
- https://er-cardiff.com/eurostyl/photos/file/17124608692.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/3b04a50e097f3176a96e67c5c262310d/lutaruwomerukosa.pdfIn PDF document text
- http://24hnbc.com/assets/ckfinder/core/connector/php/uploads/files/negotovuruxewojizaraduxo.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/72554e0hje9uqdci24ti4ne8mv/74026975281.pdfIn PDF document text
- http://apex-architect.ru/images/file/72018421526.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16132f0f3c1f7b---gigotudilubova.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613eb341105d4---95141873878.pdfIn PDF document text
- http://hflbdq.com/uploads/file/111517094943.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf44b1bf6c---ketikotufadimepevavoje.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7c6dadee5---joduzupamulekuto.pdfIn PDF document text
- https://pvesc.vn/uploaded/file/tatav.pdfIn PDF document text
- http://bertrandetgastineaudesigners.com/userfiles/file/55098642095.pdfIn PDF document text
- http://qunjl.com/userfiles/files/xuvelomunubovaze.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=robbery+bob+mod+moneyPDF 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_off0000dfdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFDC | 10140 bytes |
SHA-256: f6d1444216bcf2fc4ec45adb4a60f22e90fd852e16bf226987e739199b654cd3 |
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font_01_sfnt_off0000f67c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF67C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E8E | 17552 bytes |
SHA-256: 2e1f7b8fdd58b54a63f6171706b6468debf455527e41727d8bf7341cfb8327e5 |
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