MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://dezmaster.com/userfiles/file/63325127847.pdf In PDF document text
- http://attlas.center/userfiles/file/99014987380.pdfIn PDF document text
- https://marosme.ro/hirek/file/sikivakaxabukerik.pdfIn PDF document text
- http://cloverdiamond.com/file/10551301387.pdfIn PDF document text
- https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/r0jo9r6ki0hq2qt4bri9hm89nr/11845175766.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d25d6bc6c84---fitudunamagofoxe.pdfIn PDF document text
- http://perles-del-beya.com/userfiles/file/41423193367.pdfIn PDF document text
- http://artechq8.com/beta/uploads/files/duxujilimugawiwokosifal.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/a9fdfnnncnpp6hp06sq2p689uh/30875384799.pdfIn PDF document text
- https://kasihpaham.com/contents//files/38269594784.pdfIn PDF document text
- https://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/112977ac8d3e685b1a0960cf2f440448/85009311836.pdfIn PDF document text
- https://kidneystonetreatment.in/userfiles/files/41251476019.pdfIn PDF document text
- https://ryokanclub.com/FileData/ckfinder/files/20210715_9E587BDE18B85E6C.pdfIn PDF document text
- https://china-glass-mosaic.com/userfiles/files/20210723_020842.pdfIn PDF document text
- http://fruitvita.com/files/files/liledugajimoturomogur.pdfIn PDF document text
- https://sandp-engineering.com/ckfinder/userfiles/files/jetob.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cbf66e6c8c---12630785916.pdfIn PDF document text
- http://jtour.vn/userfiles/file/guvipuvodezax.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0a4262a91---18776470475.pdfIn PDF document text
- http://asckhn.com/acskhn/userfiles/file/93925313527.pdfIn PDF document text
- https://www.dooleysnaturalgas.com/ckfinder/userfiles/files/nimolamupefizem.pdfIn PDF document text
- http://emmanuelmissionarybaptist.com/clients/74938/File/16024172022.pdfIn PDF document text
- http://phatnang.com/media/ftp/file/48745648494.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606f18699717a---xowajemutad.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=hp+elitebook+revolve+810+g1+service+manualPDF 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_off0000be2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE2E | 11488 bytes |
SHA-256: cd90ae9a9fa49ead15d6ba32249b24a7d563341ab7e17d79cfeb9b557addf1b2 |
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font_01_sfnt_off0000d931.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD931 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f143.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF143 | 15848 bytes |
SHA-256: 554b0a464e5c737dd40e5d340f7a2b3254780f5f6fd0b302aa74c955fbbbf67d |
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