MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It functions as a link farm, containing numerous embedded URLs that point to other PDF files hosted on various domains. The heuristic 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' indicates that some of these links point to compromised WordPress upload storage, suggesting a tactic to disguise malicious content. The document body is heavily obfuscated and unreadable, providing no direct user-facing content, but the overall structure points to a phishing or content distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://lonerangerfanclub.com/ckfinder/userfiles/files/10475191137.pdf In PDF document text
- https://pavillonwohlen.ch/userfiles/files/potosuxevukunipewesuxosot.pdfIn PDF document text
- https://tasteadmin.com/ckfinder/core/connector/php/custom/wysi_uploads/files/81050233386.pdfIn PDF document text
- https://eniedu.com/data/file/20210901071614.pdfIn PDF document text
- http://ipost.mn/ckfinder/userfiles/files/80404923385.pdfIn PDF document text
- http://thingsantiquesla.com/userfiles/files/81327885117.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613243f26816e---95903953750.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/7ee49ea2e1438f8d6f91866d365f1995/gosafovorib.pdfIn PDF document text
- http://canoeing.by/pics/files/morubifut.pdfIn PDF document text
- http://z-i-f.ru/userfiles/file/tonekelunexuxeninewes.pdfIn PDF document text
- http://immodraft.nrw/images/architekten_agentur_images_/file/wovevojarenixisujamijuxo.pdfIn PDF document text
- http://tvoirostov.ru/ckfinder/userfiles/files/2897349297.pdfIn PDF document text
- http://remont-m.com/userfiles/file/zatezepofuseromax.pdfIn PDF document text
- http://oxigensupplies.com/shipinc/userfiles/files/28669916452.pdfIn PDF document text
- https://www.studiorosaliabusco.it/ckfinder/userfiles/files/69389580430.pdfIn PDF document text
- http://sangiorgioautoservizi.com/userfiles/files/88100980884.pdfIn PDF document text
- http://cityfate.com/files/files/18897521470.pdfIn PDF document text
- http://toptoptraining.ru/img/upload/file/85839657757.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613196d4bd9bc---ridamexor.pdfIn PDF document text
- https://dakhoathienhoa.net/images/files/44879910155.pdfIn PDF document text
- http://ccsctda.com/ckfinder/userfiles/files/20210907_092415.pdfIn PDF document text
- https://www.hkha.com.hk/ckfinder/userfiles/files/9506403606.pdfIn PDF document text
- https://mosconi.net/userfiles/file/mifazetivapaparogibokeb.pdfIn PDF document text
- http://rebizplus.com/userfiles/file/daxen.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=my+talking+tom+gold+runPDF 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_off0000f0bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000108d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108D6 | 10592 bytes |
SHA-256: 3bc4f9b266eda2274550def31e644df584ab0b7cb7a81b07f9793c920bce6f97 |
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font_02_sfnt_off000120b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120B6 | 18360 bytes |
SHA-256: 7dfebcc3356868083b789152c8f819bac4ed0eb1259c275699b3b8eef774798d |
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