MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to compromised websites, many of which host other PDF files. This behavior is indicative of a link farm designed to distribute malicious content or phish for information. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://cructi.ru/uplcv?utm_term=codes+in+bubble+gum+simulator+wiki
- http://xn--h49avwqct32ewe967crscpsaz7d.com/ckupload/files/tusupalidu.pdf
- https://bancodevida.com/bancodevida/admin/images/image/file/tedepuzogok.pdf
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/ivm420k97nuhttmh4k828os902/kunugaxejawamitepilowin.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b7398b1fc54dac52199739e9aca77ce9/vazedegid.pdf
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/4af293741c213bab0bf5d815caa48182/xebazetisoli.pdf
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/547eeb3770148f512000c56d95c6c5fa/winixubitesarakosipefe.pdf
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ecb4bc6167---zapiwesagabero.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/25332ced9a1187a8aeac07934bf65f9f/28937563503.pdf
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076638578c79---8366979869.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b331182680c---9124082827.pdf
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/27e4b1956087f1e692469ee68a50ca70/donugovokininakikolamu.pdf
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/1019e3eba2cd4f888b6092e050d25cdc/bironegizox.pdf
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/667065ffd28c8da430008df21f78ec43/22093849571.pdf
- http://m2mus.ca/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/widoxaxopezili.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607aee892eafb---biloxarafe.pdf
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/ebdb2fd62d87d4c0269729f2fd3d4e7e/jokadabelunudoviwevuwuso.pdf
- http://vinag7furniture.com/app/webroot/files/editor_upload/files/bulajate.pdf
- https://wegofa.com/userfiles/file/xuxoxafeluwe.pdf
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c2943e51b20---kakuparekin.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16079fb22c375b---nixej.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010dc0.bin0482b4ba5d2f62156f6b2f34a7d5b65d2c1eba17649212e5dc8ccde52cb892e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DC0 | 3444 bytes |
font_01_sfnt_off000119fc.bin54c65dc9e7311eb5a8ada1a87b338a2abd5f49f9d3989498ae820223a89fdd6d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119FC | 5344 bytes |
font_02_sfnt_off00012c1d.bin4520c2a9d47b34362db4162d5a1e96d1316e5bbf91415b4a0304e05930dc56a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C1D | 11048 bytes |
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