MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. It contains numerous external URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://ketchas.ru/uplcv?utm_term=find+my+phone+for+free+online PDF link annotation
- https://sokolzgierz.pl/web/uploads/files/34735910549.pdfIn PDF document text
- http://chinasoftcore.com/userfiles/file///zuguvelagozifagulo.pdfIn PDF document text
- https://nwdglobal.com/ckfinder/userfiles/files/34366493246.pdfIn PDF document text
- http://udokutscher.de/gfx/userfiles/files/tosuverolujofexavefenaza.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160859ef241476---xesuwipijatevikoza.pdfIn PDF document text
- https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/g634okvoqu6vakr3dlj5uefthu/wowebojefijasitupapud.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160edb2e792a0a---83879316367.pdfIn PDF document text
- http://meskerjager.nl/media/files/jorulelifadasegafaxipug.pdfIn PDF document text
- https://daaeportrett.no/upload/file/rarowusigewewupolunodaki.pdfIn PDF document text
- http://startent.ru/SITE/files/editor/file/jidox.pdfIn PDF document text
- http://vanxuantravel.com/upload/files/7276258635.pdfIn PDF document text
- http://olech-rzeszow.pl/userfiles/file/87823613814.pdfIn PDF document text
- http://ezibra.pl/upload//file/57911778781.pdfIn PDF document text
- http://yilip.net/userData/board/file/bajilolutodibukari.pdfIn PDF document text
- http://tuccifamilyonline.com/clients/b/b5/b5aed9f4ae8fd2b300021b46b426cae6/File/kagod.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606db361497e7---40949054938.pdfIn PDF document text
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160755a444b3fc---pabikeposulazetimedida.pdfIn PDF document text
- http://masterref.ru/editorfiles/file/tegatubironu.pdfIn PDF document text
- http://oaklandscreche.ie/userfiles/files/fonokedewofofene.pdfIn PDF document text
- http://jsushibrea.com/uploads/files/46084197510.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_off0000c682.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC682 | 10424 bytes |
SHA-256: d5fc7fbf489a1681290c2032fac6fe7ed16a239a425c89933514a991d8c9d753 |
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font_01_sfnt_off0000ddca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDCA | 16580 bytes |
SHA-256: 69dd5f970775ee1831eb2a4771258386e16cc593cdb2ac07eb011ef045efd943 |
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font_02_sfnt_off0001091b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1091B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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