MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
T1204.002 Malicious File
The PDF document was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users. The document body is heavily obfuscated and unreadable, preventing a detailed analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://nail-free.com/ckfinder/userfiles/files/82842614992.pdf In PDF document text
- https://heureka-cz.eu/files/gafebewupejiw.pdfIn PDF document text
- http://divorce-difficile.fr/userfiles/file/28839131665.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/ebf38aad31757207726707479a6e6e26/pizekudurutarejumodexe.pdfIn PDF document text
- https://h016s5or78-du3.com/contents/files/88922347096.pdfIn PDF document text
- https://www.bevillelecomte.com/ckfinder/userfiles/files/divipixilave.pdfIn PDF document text
- http://grafiport.com/userfiles/file/63947514545.pdfIn PDF document text
- http://0965818789.com/CKEdit/upload/files/rixit.pdfIn PDF document text
- https://pindimana.in/uploads/file/mutegezixixalixowigavatux.pdfIn PDF document text
- http://ozanatalan.com/iboard/includes/userfiles/files/1674123239.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/rebufusalula.pdfIn PDF document text
- http://lso-msm.com/userfiles/file/nomatiweju.pdfIn PDF document text
- http://studio-orlandini.com/userfiles/files/90698919183.pdfIn PDF document text
- http://inhome360.ru/admin/ckfinder/userfiles/files/73129707610.pdfIn PDF document text
- https://aicpwdosaeast.com/ckfinder/userfiles/files/diwavaxelusowasanir.pdfIn PDF document text
- http://nceed.kr/pds/userfiles/files/jobogojajezizotudor.pdfIn PDF document text
- http://clinivetmadonnadirosa.eu/userfiles/files/21359724054.pdfIn PDF document text
- https://roofmed.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161339740347fe---zobedax.pdfIn PDF document text
- http://bluecars.pl/userfiles/file/busilovipegosiwozagegufi.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/52936255953.pdfIn PDF document text
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/mfsohk4dnv4lv4t0gt42oc8q7b/98267877806.pdfIn PDF document text
- https://promise-land.com/upload/file/tizusirefevu.pdfIn PDF document text
- http://modulobase.com/userfiles/file/tinesidemusizijato.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=x+granny+tubePDF 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_off0000b1e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1E4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c9f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9F6 | 15652 bytes |
SHA-256: 215a1a024d5396b1f199a2d8efe998b4f49b976c77aca38a60ff49be14b4504b |
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font_02_sfnt_off0000f17a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF17A | 10220 bytes |
SHA-256: df73add1677a995122f39ad1eb5a2101d7fc05e55d7027dd285e42258d96c59f |
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