MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan PDF. It functions as a link farm, with numerous URLs pointing to various domains, some of which are hosted on compromised CMS uploads or disposable hosting. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics confirms this behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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://jan-fotografie.nl/upload/files/52617059292.pdf In PDF document text
- http://ck-kutnahora.cz/gais/image/file/fovivijad.pdfIn PDF document text
- http://privateeducation.sg/verzsape/demo/upload/admin/files/ximivige.pdfIn PDF document text
- https://toolsatool.com/userfiles/files/99989383237.pdfIn PDF document text
- http://enjoyisagenix.com/ckfinder/userfiles/files/nugorekafoxexapudaje.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613962679f086---81473025872.pdfIn PDF document text
- http://cctsw.net/whly/up_files/FCK/file/20210902_021421_142.pdfIn PDF document text
- http://gazduire-domeniu.com/UserFiles/file/xotarosuveditolodilexevub.pdfIn PDF document text
- https://ms1oke.com/contents/files/zefegilusunutus.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133390fd4084---34187274509.pdfIn PDF document text
- http://eatoceanic.iorderfoods.com/uploads/files/59114403248.pdfIn PDF document text
- http://ubestsports.com/imager/files/20210901130644.pdfIn PDF document text
- https://designsdubaiukfashion.com/userfiles/file/xuriga.pdfIn PDF document text
- http://ultraljud.nu/bild/files/24280431126.pdfIn PDF document text
- https://youkuvpn.com/upload/files/4779604636.pdfIn PDF document text
- https://sadex.pl/fck/file/84087131746.pdfIn PDF document text
- https://telewebmarketing.com/FCKeditor/file/81221728663.pdfIn PDF document text
- http://horizonpestservices.com/userfile/soxowinerobulolafu.pdfIn PDF document text
- https://angel-juicer.com/FileData/ckfinder/files/20210904_F251C8FCFB06B9BD.pdfIn PDF document text
- https://willes-gb.com/uploads/files/202109080610386456.pdfIn PDF document text
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/1b7e2f106fc2b86bd13e9017e9e3eddc/26491548575.pdfIn PDF document text
- http://gustosandvic.com/ckfinder/userfiles/files/xelepolavuniraveto.pdfIn PDF document text
- http://epoxidice.ro/mm/file/fewulitowelexolinuxulibi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+check+how+much+data+you+have+left+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_off0000ccde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCDE | 11020 bytes |
SHA-256: f5613b4005ee359711e5ef8a3caef4ece218a872b107bd07a631963526bb217c |
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font_01_sfnt_off0000e650.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE650 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fe62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE62 | 17232 bytes |
SHA-256: 5756520a3271ee4ea7ee0321795140738fa056700a3754c3977000fd809fc9a5 |
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