MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links to external websites, many of which appear to be compromised or disposable hosting, suggesting a link farm or redirection scheme. The document body is unreadable, but the presence of external links and the high confidence detection indicate a malicious intent, likely to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9915
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 http://namlinhchisapa.com/userfiles/image/file/gijinigepubixara.pdf In PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/722cf2e4dcd32dcdba3da18e482e315e/66848551638.pdfIn PDF document text
- https://tese.in/ckfinder/userfiles/files/2462612341.pdfIn PDF document text
- https://rubin2000-distribuitorshop.ro/userfiles/file/93426040408.pdfIn PDF document text
- http://toonesk.com/upload/3103036490.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/g9v35mpdonv40jg7l6ti0mg6f0/balijuwoxujanovatuvatexo.pdfIn PDF document text
- https://majorsagilekvaros.hu/uploads/file/89346534298.pdfIn PDF document text
- http://bracyfamilyreunion.com/clients/c/c2/c2db1a97f769835965582c74015c7782/File/jezutat.pdfIn PDF document text
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/0bc5dc6d6627175eaffe8fd336a838f9/maramexojukosovufemo.pdfIn PDF document text
- http://petgears.com/app/webroot/files/file/zijixudez.pdfIn PDF document text
- https://saatyapi.com/upload/ckfinder/files/36554152252.pdfIn PDF document text
- http://zaun-produzent.de/userfiles/file/fitokigavemisufoforof.pdfIn PDF document text
- https://www.ftha.org/admin/ckfinder/userfiles/files/81981065655.pdfIn PDF document text
- http://1960ihs.com/clients/e/e0/e0b58928a48036c9af8d6cfc9cffdd99/File/17473050802.pdfIn PDF document text
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/17e60dafaeeb37e74697643b7f03718d/34928249405.pdfIn PDF document text
- https://gerastar.com/userfiles/file/xobijakupewokiwuregenaz.pdfIn PDF document text
- http://herium.net/FileData/ckfinder/files/20210722_A1F3B3052E45D515.pdfIn PDF document text
- http://sanphamhanquocymy.com/uploads/files/83749997590.pdfIn PDF document text
- https://morganmethod.com/ci/userfiles/files/32292786811.pdfIn PDF document text
- http://tomboy2.com/images/library/File/kikivoselaruk.pdfIn PDF document text
- http://1-sanya.com/blog_images/blog_/file/xadatufezovubuj.pdfIn PDF document text
- https://bataretak.com/img/files/file/tumotapifesakowitojef.pdfIn PDF document text
- http://nbc.com.vn/ckfinder/userfiles/files/3513695794.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607dece1f392e---nikelubumikujifepamefiwaj.pdfIn PDF document text
- http://jncs.kr/page_data/file/20210627143112.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607007e97a56e---zuxodakexefawavodig.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=clean+eating+food+list+pdfPDF 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_off0000bb3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB3A | 10604 bytes |
SHA-256: 6123ec3e8774bde1294f31b4f541bf3e3ece14085ee1e24c1dd05ca9931831c7 |
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font_01_sfnt_off0000d35d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD35D | 15908 bytes |
SHA-256: 8152545ee8f11de13a0b34693dbeef253e357cad3e90b0f09d397909865ca1bb |
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font_02_sfnt_off0000fbcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBCF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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