MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV detecting it as a phishing trojan. It functions as a link farm, directing users to numerous compromised websites that host further malicious content. The presence of multiple external URIs and compromised CMS upload links indicates a clear intent to redirect users to potentially harmful resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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 https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/42c15fe957d1fd4f71075801eacaced7/debagej.pdf In PDF document text
- http://hms31.ru/img/file/57972243348.pdfIn PDF document text
- http://christschoolblr.in/userfiles/file/20793071433.pdfIn PDF document text
- https://daulte.ch/ckfinder/userfiles/files/57387231788.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608f3f3fd223b---54906418973.pdfIn PDF document text
- http://transportdiverse.com/uploads/files/7908173569.pdfIn PDF document text
- http://rivebistro.net/ckfinder/userfiles/files/fowanu.pdfIn PDF document text
- http://huiking.cn/uploads/file/240613438571.pdfIn PDF document text
- http://lnianemarzenie.pl/userfiles/file/sixunexememode.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/fa5b1bc45aff029038a5d5acf7d8902f/geterizeragojunageriju.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/acbabe01137fc3d58bf05699db873343/3028291718.pdfIn PDF document text
- https://onlinendttraining.net/files/bimop.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/392ea9b04339f288a3621a75ee3d6b5e/35275741599.pdfIn PDF document text
- http://daehwa.info/uploaded/file/milekix.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160773da0477ac---96711770353.pdfIn PDF document text
- http://fresh-j.info/images/uploadedimages/file/tukubabijukubelige.pdfIn PDF document text
- http://vaness-sens.fr/ckfinder/userfiles/files/22125271261.pdfIn PDF document text
- https://www.hmgfinance.com/ckfinder/userfiles/files/purudab.pdfIn PDF document text
- http://www.siscbolivia.com/admin/uploaded/fck/file/zoburopuduwaviraxizi.pdfIn PDF document text
- https://auto-rujo.com/images-editor/file/bukevetemeriviwawagetudo.pdfIn PDF document text
- http://heibldr.hu/FCKfeltoltott/file/36522815131.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=up+polytechnic+college+list+pdfPDF 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_off00010d72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012589.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12589 | 10756 bytes |
SHA-256: 76f8111bb048bb5a0098b26b8b9ac2703bac9b1eff5f8c02fc80df7f7dd383d3 |
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font_02_sfnt_off00013e00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E00 | 18556 bytes |
SHA-256: ab856910e43bd558d720b0d60b464fca16dd8065af057ce413f636516a715da0 |
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