MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as a link farm, with several URLs pointing to compromised WordPress upload directories. The ML classifier and ClamAV also identified it as malicious, specifically a phishing trojan. The document's structure and embedded URLs suggest an attempt to lure users to external sites, likely 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-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://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613622ed63b28---pinebiwetopim.pdf In PDF document text
- https://fminterativa.net/cms/plugins/ckfinder/userfiles/files/12956971879.pdfIn PDF document text
- https://bosgo.mn/uploads/files/birosudodiragigokekilidep.pdfIn PDF document text
- https://aokman-drive.com/d/files/xumeraminakisagejo.pdfIn PDF document text
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/rii10ccpdbtasp7gvc1a264nru/24186180212.pdfIn PDF document text
- http://symbolfoods.com/files/file///85524884635.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/wutibanikap.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613305cb4bc95---80679096557.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf4b03db8b---21065352544.pdfIn PDF document text
- https://detector-billetes.com/Imagenes/file/vipemudaw.pdfIn PDF document text
- https://rosettes.it/userfiles/file/duzax.pdfIn PDF document text
- http://crystaltrade.hu/data/file/5307447357.pdfIn PDF document text
- https://sikahaiphong.com/images/news/files/8267117984.pdfIn PDF document text
- http://caogenzhiben.com/filespath/files/20210907092935.pdfIn PDF document text
- http://satcomlink.com/userData/board/file/bapozeza.pdfIn PDF document text
- http://fli.edu.mn/ckfinder/userfiles/files/72010251732.pdfIn PDF document text
- https://htapigroup3.com/contents/files/71065350343.pdfIn PDF document text
- https://girl0229960192.com/upload/users/files/gagibavegorikozap.pdfIn PDF document text
- http://chapraptti.org/userfiles/file/61028432369.pdfIn PDF document text
- http://ozdesignhouse.com/app/webroot/uploads/files/37291451549.pdfIn PDF document text
- https://store-connector.com/_upload_bilder/_filemanager/file/surobisalonudekevome.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/8106245071.pdfIn PDF document text
- http://evopizza.lt/ckfinder/userfiles/files/29706755548.pdfIn PDF document text
- http://yogaschoolofkerala.com/photos/editor/files/21089152589.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=pronouns+that+start+with+mPDF 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_off0000e9ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9CA | 10384 bytes |
SHA-256: 494c284d6ed0e4765541b2f4b84bc4f677ac47d2268bbec9f5845ad3772df113 |
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font_01_sfnt_off00010124.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10124 | 16580 bytes |
SHA-256: 46188ac57dc943545a51f5d4a2025fc16262064fea9c73a5bcefd86b1d8f3970 |
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font_02_sfnt_off00012b29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B29 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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