MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It functions as a link farm, containing numerous URLs pointing to compromised websites and disposable hosting. The primary purpose appears to be directing users to malicious content, likely for phishing or malware distribution, leveraging a spearphishing attachment vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613032b8d034b---nesinoxevezewe.pdf In PDF document text
- http://www.tm-africa.com/beta/public/uploads/cms_filescms_files/sinam.pdfIn PDF document text
- http://kronospan-mofa.hu/editor_up/26099909043.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/f8a3391814ece6b88ecc573bdf7a8164/57396902518.pdfIn PDF document text
- https://theshamrockpublecco.it/file/54220521505.pdfIn PDF document text
- http://hunicorn.hu/userfiles/file/zamefimo.pdfIn PDF document text
- http://yangpupark.com/uploadfile/files/96758752916.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/161381f31aa1c5---sofadal.pdfIn PDF document text
- https://alstar.uz/images/shared/file/fezibenotagetekiwugun.pdfIn PDF document text
- https://yasacompany.com/upload/files/votilumugevavamezupu.pdfIn PDF document text
- http://www.lalorraineperdue.com/documents/55728609293.pdfIn PDF document text
- http://rajasthanmetals.com/userfiles/file/95030523929.pdfIn PDF document text
- http://iiiemjobs.com/FCK_Editor_Images/files/wewarekaf.pdfIn PDF document text
- http://archiw.gbpopatowiec.pl/img/upload/files/65644526135.pdfIn PDF document text
- https://www.sesc-am.com.br/Selecao/ckfinder/files/68312413716.pdfIn PDF document text
- http://ilonew.tasksplan.com/ckfinder/userfiles/files/xotiporewetexu.pdfIn PDF document text
- http://shinex-auto.com/userfiles/file/46050782119.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b9131b46cc---56118121001.pdfIn PDF document text
- http://hatowo.com/app/webroot/uploads/files/dawuvolesuxemilobo.pdfIn PDF document text
- https://miet.hu/kepek/bijusewud.pdfIn PDF document text
- http://shortguycentral.com/ck_uploads/files/morajepezudatuja.pdfIn PDF document text
- http://terrietanaka.com/library/files/70782178565.pdfIn PDF document text
- http://www.mariabeckmann.com/fotos/uploads/files/15658003527.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=weapons+ww2+firearms+sim+apkPDF link annotation
- 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_off0000dfc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7D2 | 18036 bytes |
SHA-256: ae597bf5977aa046956f97330dec1e8c532c862ad8992ffbef900419d714c59d |
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font_02_sfnt_off000126a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126A9 | 10668 bytes |
SHA-256: d88541b21d67c7ea8d449c615257995577ec974974c229b13fbae9041584d773 |
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