MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a phishing or malware distribution campaign. The PDF's structure and the presence of external links indicate it is likely used as a lure to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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://medvor.ru/uplcv?utm_term=baptise+with+fire
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160819605ca118---20596357858.pdf
- http://shqinze.net/admin/upimg/file///bukikoxesasunamodaju.pdf
- https://nenanhduong.vn/Upload/files/8654754488.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16096c5ff2d644---tobikolox.pdf
- https://adepotcustom.com/UploadFiles/file/20210522195259179.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb39e3e061---pawizusozuwegig.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/ead69206a0099d909f335d47f6f4d688/29963472011.pdf
- https://hizlipin.com/calisma2/files/uploads/71291263080.pdf
- http://sochi-polyana.com/ckfinder/userfiles/files/simuseduzidowefibejexir.pdf
- http://viajesalaos.com/webroot/img/files/51703498971.pdf
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/3ofa0436f9rnbucp2g99nkj886/lodaluni.pdf
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/0c6edd14936728bfcc87f641062cb0bb/zafibiroxupajadezefawaf.pdf
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/0248e5fe121f1f9e23b5ecc060f6687d/wenew.pdf
- https://istanbulbalbir.com/upload/ckfinder/files/20995937367.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/hhqo6t92e9la0lmjuifg20b0eo/70133510306.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609abed466141---5976463577.pdf
- http://seoulsquare.com/userfiles/file/86119186889.pdf
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073a982a0d07---36525335623.pdf
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/84fce31d7707bf264cb5d658af10e76c/27700254080.pdf
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160c740c77c6a5---8612361330.pdf
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/e3uegm3q9a03b9qmf5u3eqrs73/93633377480.pdf
- http://brenno-tojestto.pl/userfiles/file/lizivegatezaroxe.pdf
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160abf5efa1b5e---jibumedaturikoxilexobine.pdf
- http://pc-driver.ru/userfiles/files/31627613104.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_off0001042c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1042C | 16792 bytes |
font_01_sfnt_off00011c3e.bin9c7b3ceefaf81c74f53271b90357dfbdd4c00efe4c48d04ecd205ba9037a143b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C3E | 17836 bytes |
font_02_sfnt_off00014b0a.bin654f326df0c45b6584f2f81d9cbd3d5165ed336e44c931b52fac60a00c77c11a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B0A | 10324 bytes |
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