MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded links are consistent with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://queure.ru/uplcv?utm_term=valores+del+desarrollo+organizacional+pdf PDF link annotation
- http://autoscuolepintozzi.it/userfiles/files/wowilariber.pdfIn PDF document text
- http://hindustanadvancedsolution.com/t/tutorfirm/uploads/ck/files/kodigotevifuwakererujove.pdfIn PDF document text
- https://sydneystudytour.com/accounting/userfiles/file/naxuxi.pdfIn PDF document text
- https://danfort.lv/userfiles/file/46702721041.pdfIn PDF document text
- http://standdominica.org/files/files/xuzurixifukomafijaz.pdfIn PDF document text
- http://abwlargo.com/uploads/files/liluda.pdfIn PDF document text
- http://www.dogwoodagility.nl/ckfinder/userfiles/files/7683542204.pdfIn PDF document text
- https://economiadecomunion.net/ckfinder/userfiles/files/96139677280.pdfIn PDF document text
- http://tuanayapim.com/rsm/files/43496402810.pdfIn PDF document text
- https://krainaogrodow.eu/zdjecia/fck/file/xidewatifabowov.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/b1dfc0cd71be9b83bb3fcdce36685e84/5430023333.pdfIn PDF document text
- http://denis-lefebvre-services.com/fichiers/file/lelakunogarezowu.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea555329f5---fivopupikipifizapojopa.pdfIn PDF document text
- http://sherwoodonionfestival.com/ckfinder/userfiles/files/61444730070.pdfIn PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/80aa06b8390f04690b7a002ae390ea0c/85862213817.pdfIn PDF document text
- http://tlumacz-lipno.pl/pdrzewiecki/files/nuroxinewularogu.pdfIn PDF document text
- https://natyabio.com/uploadfiles/5037029534.pdfIn PDF document text
- https://n-vv.dk/userfiles/file/tedarufezoruzulujomixave.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/303f63973716aa143c8805372957f780/73572311761.pdfIn PDF document text
- http://insfilings.com/skyzone_classic/upload/files/88433783380.pdfIn PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b4bfa57f39---56538616554.pdfIn PDF document text
- https://mariapolis.net/ckfinder/userfiles/files/gozaje.pdfIn PDF document text
- 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_off0000c2ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2EC | 16936 bytes |
SHA-256: b6dd9c944ae4e15b062db0d8153e74147a9adacd478ddc81503ea390861dc490 |
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font_01_sfnt_off0000ed4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED4F | 10724 bytes |
SHA-256: 8dc705e81f457b30708c4fc1ef6377ffbe0cebdb5cefe6d70a44f76c53770b94 |
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font_02_sfnt_off000105d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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