MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that form a link farm, directing users to potentially malicious sites. Heuristics indicate these links are hosted on disposable or compromised domains, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly support the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://nomylo.ru/uplcv?utm_term=cat%C3%A1logo+hinode+ciclo+1+2020+pdf PDF link annotation
- http://shavers-boles.com/clients/7/73/73b1ad2e2c85410b7b015c0c79a6caf4/File/tesikifasopodozeretog.pdfIn PDF document text
- http://s8radziejowice-paszkow.pl/userfiles/file/wuwagozutogararelala.pdfIn PDF document text
- http://benardoutlite.com/admin/fckeditor/fckdata/file/pexizikix.pdfIn PDF document text
- http://bvsaigonbinhduong.com/uploads/files/33755906161.pdfIn PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/f19d3f7b590bd5c710298ae5a6fc592e/57387546778.pdfIn PDF document text
- http://poongdung.com/FileData/ckfinder/files/20210814_13FE4721E503B858.pdfIn PDF document text
- https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/205c3beb3b44f298844a5ea142200e98/sepimibefexurizebe.pdfIn PDF document text
- https://amatnieks.com/pictures/image/43190025968.pdfIn PDF document text
- http://theclubburger.com/uploads/files/66148172817.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/a9af2131b5cf3ad797de77ba0ffdf6bb/vakofinovemiziv.pdfIn PDF document text
- https://tenfci.org/userfiles/file/19703618045.pdfIn PDF document text
- https://tsegypt.com/file/59553133922.pdfIn PDF document text
- http://fritz-fahrlaender.ch/download/16343160790.pdfIn PDF document text
- http://ezibra.pl/upload//file/kolalolu.pdfIn PDF document text
- http://maihome.hu/admin1/file/84398661263.pdfIn PDF document text
- https://xn--80afc2apd5n.xn--j1amh/upload/files/buderunagenopenelinevunix.pdfIn PDF document text
- https://beytarimcilik.com/admin/editor_resim/file/58953604256.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075958993560---gupovegeweta.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcfb7733b5b---34683504363.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608dce8296731---12811516806.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160bdc839c48a7---ronaj.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_off0000ca5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA5E | 11136 bytes |
SHA-256: c836ae2efd28286059803ff3500f6e6d6a3e6d4eb227051621e10d318bab31e7 |
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font_01_sfnt_off0000e3c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fbda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBDA | 19640 bytes |
SHA-256: e682db5d2f1fbe2c10f0292004e8a3c6d6e45360c7da9d8c43a32db58d13d97f |
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