MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://cardealer-space.com/js/upload/files/1456719374.pdf In PDF document text
- http://cascad-trans.ru/files/lafidepokezatobedefavit.pdfIn PDF document text
- https://doublehaircenter.com/upload/ckfinder/files/42150523724.pdfIn PDF document text
- http://steelbo.com/uploads/admins/u0/files/20210910221246.pdfIn PDF document text
- https://franchise-vietnam.com/app/webroot/img/files/89052550746.pdfIn PDF document text
- https://tranhdaquyhn.com/uploads/news_file/27207455758.pdfIn PDF document text
- https://tahitotfalu.hu/ckfinder/userfiles/files/rojefawalufozema.pdfIn PDF document text
- http://glassick.com/userfiles/file/14357447835.pdfIn PDF document text
- http://kossuthdigisuli.hu/userfiles/file/dovidepedebiga.pdfIn PDF document text
- https://stef-nancy.fr/upload/document/virijonukutevezupakewefi.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/8iu3j7dh49h6rstn1417f8g805/93326537794.pdfIn PDF document text
- https://rockyhotelsgroup.com/uploaded/files/womigasajijidax.pdfIn PDF document text
- https://tuoitre.bacgiang.gov.vn/lib/ckfinder/files/sisalexoxogafopuve.pdfIn PDF document text
- https://cakkue.com/contents/files/22884234737.pdfIn PDF document text
- https://anmimar.com/royal/userfiles/file/bofusukafufegoropuku.pdfIn PDF document text
- https://alpinashop.bg/files/56690775088.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138e488681b9---98934010498.pdfIn PDF document text
- http://mebelhotel.ru/userfiles/files/xilatiju.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133b374a00d1---78711293760.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/tgf2ove47oudg7c794p8n7q4qo/26499900736.pdfIn PDF document text
- http://xn--vb0b83rba554gca.kr/page_data/file/20210906161330.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=3d+animation+creator+for+androidPDF 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_off0000eabe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEABE | 10500 bytes |
SHA-256: 93b81973a8a95e81e983cbff0c2602c0c33d1bcdff71841c6a04fba7efadf6d5 |
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font_01_sfnt_off00010293.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10293 | 17032 bytes |
SHA-256: d59d609dae46c23bb08757310f4814ce54683db2540b39a37fe6b9ecdcae580a |
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font_02_sfnt_off00012e0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E0C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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