MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The primary attack pattern involves luring users through these links, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d42d4b5aeaa---6043541108.pdf In PDF document text
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/2be6525e3e1be793faa62db8b7716ff0/71115484431.pdfIn PDF document text
- http://kolaykanal.com/userfiles/files/77306564078.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/midogo.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/da7861edf2de9ea3fa656e2cfffd1a8e/70926784279.pdfIn PDF document text
- https://artasedanasingaraja.com/uploadfck/file/42030377067.pdfIn PDF document text
- https://musikkursus.dk/userfiles/file/15444599584.pdfIn PDF document text
- http://sh-ruiyangcpa.com/userfiles/file/2021-6///202168104841409.pdfIn PDF document text
- https://emprenderem.cl/files/3383269792.pdfIn PDF document text
- https://www.oneirishrover.com/wp-content/plugins/super-forms/uploads/php/files/d8a538a36b87462b9f7375eb0fe70873/84163009748.pdfIn PDF document text
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160b4fe78158ff---15568130239.pdfIn PDF document text
- http://lycee-elm.org/userfiles/file/76291112624.pdfIn PDF document text
- http://artetendasud.it/userfiles/files/76365297930.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/b02q2qfmema8pkvvphjdlqln2q/ribowepem.pdfIn PDF document text
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/c54327afdf5d86b19520151fc26192bc/14238257206.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b38fef00f7d---rirufizive.pdfIn PDF document text
- https://areicon.com/images/file/23167147368.pdfIn PDF document text
- https://onhimalayas.com/ckfinder/userfiles/files/85391194166.pdfIn PDF document text
- http://vo23.ru/upload/file/jeraka.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d88a6bae2---69697527736.pdfIn PDF document text
- https://eobliecky.sk/userfiles/file/54534204937.pdfIn PDF document text
- http://brainbond.ro/userfiles/file/81236108683.pdfIn PDF document text
- http://arcenevents.nl/site/upload/files/xosexilozusaniveremi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=tecnicas+de+fisioterapia+respiratoria+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_off0000b35c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB35C | 10528 bytes |
SHA-256: 56c71ff737179776878cdb54f71d665b060cba1240fc85f53b5343b4c4dfe664 |
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font_01_sfnt_off0000cb78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB78 | 17004 bytes |
SHA-256: 4355fe49421f37a91f02e7987517eee5ed4c4cf8dfc543b4f76f746e236e9b18 |
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font_02_sfnt_off0000f58f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF58F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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