MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains an embedded JavaScript stream and functions as a link farm, directing users to various URLs hosted on potentially compromised or disposable domains. The primary purpose appears to be phishing or redirecting users to malicious content.
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 https://vendax.ro/files/file/sizived.pdf In PDF document text
- http://szymonadamczyk.pl/uploads/fck/file/wenixumi.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/rigapexusedowigip.pdfIn PDF document text
- http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/93435840472.pdfIn PDF document text
- http://anthonyjcincottalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bemevareri.pdfIn PDF document text
- http://shinaval.ru/userfiles/file/49281069035.pdfIn PDF document text
- http://temple.mo/userfiles/file/dipapozatanofalur.pdfIn PDF document text
- https://eagleegg5k.com/ckfinder/triplebuserfiles/file/21024901933.pdfIn PDF document text
- http://lex.tj/img/file/sugifupevakem.pdfIn PDF document text
- http://sicilalluminio.it/userfiles/files/lopiwaxuz.pdfIn PDF document text
- http://sicilyontable.it/userfiles/files/danewu.pdfIn PDF document text
- http://studioagm.it/userfiles/files/27358001136.pdfIn PDF document text
- http://52963566.com/upload/file/202109061007555954.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16139bc6c7f7d6---36764239526.pdfIn PDF document text
- https://culturasiapamplona.com/guiarte_userfiles/files/66436589775.pdfIn PDF document text
- https://baxsporthorses.com/userfiles/file/jofopujufek.pdfIn PDF document text
- https://ystechpro.com/nbloom/fckuploads/file/dosixirorupefozopul.pdfIn PDF document text
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/uib790utq07lnrbl4q8o4i79qf/68831487124.pdfIn PDF document text
- https://lesrimaudieres.com/images/uploads/file/temojinajekaxopadesatenuf.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac9b8ccc9d---tuzomikur.pdfIn PDF document text
- http://shinhwajudan.com/userData/board/file/17319156449.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=securelend2u+contact+numberPDF 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_off0000dcf0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCF0 | 10708 bytes |
SHA-256: 517c27fd9e96cb52c474f67d7c692b7632ad41ff117521102cd9af147aeb287f |
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font_01_sfnt_off0000f58f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF58F | 18116 bytes |
SHA-256: 4c32ac78fea56d7788c08888a68dba466b326cb71f9b0cc19931cca33e0e771f |
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font_02_sfnt_off00012482.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12482 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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