MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to potentially compromised or disposable hosting. These links likely serve to redirect users to phishing sites or download further 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://johnmarzillier.com/ckfinder/userfiles/files/mazunojopiwolanuzaxejuvad.pdf In PDF document text
- https://karpzbeldowa.pl/uploads/userfiles/files/jarusezojadokotimujezidev.pdfIn PDF document text
- http://xn--2o2b17g32e8xisqq.com/userData/board/file/foginusuvomi.pdfIn PDF document text
- http://telegid.tv/userfiles/files/84520920503.pdfIn PDF document text
- http://nhakhoanhantin.com/media/ftp/file/libata.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16139ab8470917---tarusobel.pdfIn PDF document text
- http://sobateracota.ro/mm/file/fijopimowotadosomonab.pdfIn PDF document text
- http://resumesfromabove.com/userfiles/file/lisetironazixa.pdfIn PDF document text
- http://qiangka.com/ckfinder/userfiles/files/39423554040.pdfIn PDF document text
- http://blgjad.com/upload/files/logotezuzofegojemotiden.pdfIn PDF document text
- https://vanvoorst.info/uploaded/file/75304432160.pdfIn PDF document text
- http://rund-sro.cz/UserFiles/File/tudupa.pdfIn PDF document text
- http://sentai.cc/data/file/20210909_120531_720.pdfIn PDF document text
- https://bisleriuber.genefied.co/ckfinder/userfiles/files/badugupijafijulojefu.pdfIn PDF document text
- http://hawaiianhunareiki.it/file/firupotedazoz.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/161416c6fa6f24---rukovokitadalezureta.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136d294291c8---49952258096.pdfIn PDF document text
- https://regaluxiluminacion.com/uploads/assets/file/zofebixuzufotepekagom.pdfIn PDF document text
- http://top-rubber.com/admin/fckeditor/editor/filemanager/connectors/upload/file/6268016760.pdfIn PDF document text
- http://www.xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/wuwirenopazidegog.pdfIn PDF document text
- http://xnucleus.com/members/member_images/files/71167826054.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/ir10g36gkp2hdfeh9dff2j5421/62098265401.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=kokiri+forest+ocarina+tabPDF 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_off0000ecef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECEF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010506.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10506 | 10504 bytes |
SHA-256: 362f41ac794ea4105730aff840f871454267c71388ce3d307a830b360d72c56f |
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font_02_sfnt_off00011d1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D1B | 19152 bytes |
SHA-256: ad4cb4a36ff9a2a60bcb6d02432ea59ce5cd8043ca742b40df7c40488501aec4 |
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