MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious. Heuristics indicate it functions as a link farm, with numerous URLs pointing to potentially compromised or disposable hosting sites. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings strongly suggests an attempt to distribute malicious content or phish users through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://goldnumber.info/userfiles/file/nudimofoluzunikiximuwi.pdf In PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff16c53fea---gojuxopobigeb.pdfIn PDF document text
- https://kcss.hu/korosi/userfiles/file/jogik.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160762164931f6---zapikexinas.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/kafad.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161198a59620cd---togofodanedivukifunan.pdfIn PDF document text
- http://nhatrangpalacehotel.com/app/webroot/upload/files/8708082677.pdfIn PDF document text
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/31b012436644904a304f7cece4ececb6/42368869566.pdfIn PDF document text
- https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/263f18cedda6b383440600f3622d348d/94743334716.pdfIn PDF document text
- http://anysoldierfundraiser.com/clients/a/af/af293656121fcb8b60a8c910089dd81c/File/32508837124.pdfIn PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/t26ehf0smgl1f8igmpsj0qi4ve/577887601.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a5621e0d544---robusafemuvuxilexutopi.pdfIn PDF document text
- https://marosme.ro/hirek/file/mekelejoxelafe.pdfIn PDF document text
- http://aow.infogestnet.it/ckfinder/userfiles/files/99695424096.pdfIn PDF document text
- http://gesundezellen.de/neu/userfiles/file/kedogugopudajefufewipan.pdfIn PDF document text
- http://roughriders66.com/clients/f/fa/fa96273273f04fd2a06feef12b1e4d70/File/gegibetigifonosev.pdfIn PDF document text
- http://cpghollywood.com/userfiles/files/rebopugexuruzobimijedok.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/34760820173.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/fae3b2843631f187b8bf0718f594063f/63973300581.pdfIn PDF document text
- https://hitpoint.tw/userfiles/file/11760862075.pdfIn PDF document text
- https://iaido-iaijutsu.ru/userfiles_exc/52318723601.pdfIn PDF document text
- http://naturallabs.fr/userfiles/file/vivugij.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce7a0b8057---xobosepofad.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/14jd6m9jq3jdvg2tp081tlu4v8/rigujamagikizibu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=conflicted+card+game+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_off0000c3c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3C8 | 16332 bytes |
SHA-256: 5aef00cca5bc1e4657c529da2286235d55e80d37ee0a3f1a54e1ce4ac8669235 |
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font_01_sfnt_off0000ed86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED86 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001059d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1059D | 10824 bytes |
SHA-256: 67f5ff99a4b19794a508d111af48a90a35ef40cd86413ecee5620b3a6b24ab28 |
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