MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier and ClamAV both strongly indicate maliciousness. The PDF contains numerous links, many pointing to compromised WordPress uploads and disposable hosting, suggesting a link farm designed to redirect users. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics confirms this behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/0hanf0f5o3bn3c47mqnlesoa6r/21199560671.pdf In PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/doxukiradawavu.pdfIn PDF document text
- http://aan.kz/ckfinder/userfiles/files/72663075425.pdfIn PDF document text
- http://dongsimkindergarten.com/upload/files/80936197284.pdfIn PDF document text
- http://tamtamphat.com/upload/files/fevufepalubixeferezaputav.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/esdnbo6dkn9jpud5e9iv8aoa1t/3316311288.pdfIn PDF document text
- http://monticellotownship.org/userfiles/file/85818063773.pdfIn PDF document text
- https://sealand-pptc.com/userfiles/file/naweturezarijifadasa.pdfIn PDF document text
- http://janjoling.com/public/ckfinder/userfiles/files/sajibexewufof.pdfIn PDF document text
- https://alley.52886.tw/uploads/files/sepufavisutetip.pdfIn PDF document text
- http://p-jtech.com/userData/board/file/muziwowepufexixajogimo.pdfIn PDF document text
- http://www.tokyomagic.jp/images/library/File/79653655150.pdfIn PDF document text
- http://unewstoday.com/task/userimages/file/51993886369.pdfIn PDF document text
- http://sunnysolutions.it/uploads/assets/file/15210872704.pdfIn PDF document text
- http://oreade-breche.fr/userfiles/file/20227443404.pdfIn PDF document text
- http://coffee33.ru/archive/file/dolazunipu.pdfIn PDF document text
- http://dogomanhnghia.com/uploads/files/92271208173.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6f2e4f382---jadosav.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/813324281.pdfIn PDF document text
- https://detector-billetes.com/Imagenes/file/zajilusebavasetof.pdfIn PDF document text
- http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/32332747477.pdfIn PDF document text
- https://gsacademy.ge/uploads/files/26857624112.pdfIn PDF document text
- http://orlickachata.cz/files/files/46934459851.pdfIn PDF document text
- http://tg-focus.ru/userfiles/files/47052992449.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=writing+excel+macros+with+vba+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_off0000c760.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC760 | 11452 bytes |
SHA-256: a57f9f20948e08dd2931166dabc69637daa3e63331fadf5ac00325c3cd2cb073 |
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font_01_sfnt_off0000e1d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1D9 | 18160 bytes |
SHA-256: 4a0b16f2445aa0a0d599a3099e8962ed8b0ec5b493e78cd5cf8fb6a90070fc02 |
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font_02_sfnt_off000110e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110E4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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