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 as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It functions as a link farm, directing users to numerous compromised websites and potentially malicious PDF files hosted on various domains. The presence of multiple external URIs and compromised CMS upload links indicates a clear intent to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://smidgel.ru/uplcv?utm_term=proverbs+31+woman+bible+study+pdf
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160af6ef91d725---46764930688.pdf
- https://myupfield.link/wp-content/plugins/super-forms/uploads/php/files/boc5v15mdifbr0c0qbanc6t0qo/13487630004.pdf
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6c375fee1---kowidog.pdf
- https://andana.us/files/files/jabun.pdf
- http://gaestehaus-am-erlkoenig.de/img/editor/file/68405577915.pdf
- http://haozuowenwang.com/imagefiles/file/4469025933.pdf
- http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/36369367898.pdf
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/545d23a14ac3bcd87c020cf1e13f8557/weremoluj.pdf
- http://polymer-optix.de/userfiles/file/rumovagudagumegetug.pdf
- http://chipublichouse.com/ckfinder/userfiles/files/nukilifevifixejonerot.pdf
- https://nnt52.ru/userfiles/file/84676911275.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160a3356cb9ad4---83755291159.pdf
- https://sesconbs.org.br/ckfinder/userfiles/files/73525954797.pdf
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f85496332d---bokezevedelafukebunopani.pdf
- http://oecschool.com/userfiles/file/wizowezefumejexafisude.pdf
- https://directorvincentchow.com/fck_filemanager_upload/file/rezakapitogubekofopukex.pdf
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085371ba3ec9---jevumu.pdf
- http://klpa.net/userData/board/file/bufimibegajetir.pdf
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/84357ddb54ba72f01ee128fac3a589de/96425606867.pdf
- http://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/bk399ipd2ut5ja2o4n0tjsn6e4/valamuga.pdf
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160d98bc303ca9---dalapakobomeniviture.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011888.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11888 | 16792 bytes |
font_01_sfnt_off0001309f.bin6649e43f160dcfde4692e89431df4ee798ce35669d9312d7644893e6b52377f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1309F | 11388 bytes |
font_02_sfnt_off00014b61.bin93643d4f7fbff8a867a79ddb8fa656f5262eb4d35620b7117d2a7776c765a22f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B61 | 17700 bytes |
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