MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous links to external websites, many of which are hosted on compromised CMS upload storage or appear to be part of a link farm designed to redirect users. The presence of these links suggests an attempt to direct users to malicious sites for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://ancoraeducacion.com/images/nanopexu.pdf
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160afb321b507d---wutuxinoxafinoboli.pdf
- https://warsztatgdynia.pl/app/webroot/media/files/sebuzibamolaxolebi.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b8364bd1cd2---22623945398.pdf
- https://landbondcorten.com/attachment/file/822f2369630b28b1e4b6ce5fabe14965.pdf
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5b5b8e329---jabujuzasopatisiw.pdf
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609012773410e---vesuzojuvusoxixija.pdf
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c3eb487e613---xaneko.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a182584f843---84979799219.pdf
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/eb36ae5e33c215a26485db90212f1760/98750634098.pdf
- http://www.nomorcantikjoss.com/file/7730611527.pdf
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/6dc1ae1545e591c50bca41affb75716c/10788487443.pdf
- http://sevimticaret.net/userfiles/file/15062644638.pdf
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16099f2d917f4c---42042274063.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/f8f0u5hcv64b0so2osbg3lljr3/raxusixixu.pdf
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160adc7431e8f7---81552058472.pdf
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/m6f5iofmuue7uql6nna3k05i9o/fidikikofenazunabosubuw.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609842111b97e---26096987855.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/9f9f7680a962cc1b99360184647ba03b/fativedobopoxorevavulofe.pdf
- http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/b941dd1259e8b8050f0d678d65bac195/zabokusozoruxuxato.pdf
- http://ok-poland.com/userfiles/file/82087703379.pdf
- https://narimasu-chintai.net/jcfiles/file/60060447068.pdf
- http://ahcxdq.com/uploads/file/290747009720.pdf
- https://agmatbaa.com/upload/files/28987670641.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=lochinvar+poem+questions+and+answers
- 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_off0000f0f4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0F4 | 16792 bytes |
font_01_sfnt_off00010906.bindce56417e82439eea47a2cd2d0ad167a20f0acffdf0f94f4d683bc9e6828f7be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10906 | 16756 bytes |
font_02_sfnt_off0001347f.bin77366e8f0cdcea1d06ec76bb7815169302d03d5af4b1ba49b0fd1f3ddf813474 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1347F | 11088 bytes |
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