MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for delivering malicious content or redirecting users to malicious sites. Several heuristics indicate the PDF is part of a link farm, with many URLs pointing to potentially compromised or disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://tencanpowder.com/d/files/24157823081.pdf In PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16138a1f16b226---xetufurelulenas.pdfIn PDF document text
- http://okun.su/upload/file/36966983239.pdfIn PDF document text
- http://jhdjt.com/images/upload/File/24275669134.pdfIn PDF document text
- https://elegune.net/files/galeria/files/79988646966.pdfIn PDF document text
- https://mraos.com/web/userfiles/file/favomisogomuwebezopi.pdfIn PDF document text
- http://metaglas.kr/userData/board/file/zawasutadikowajomisin.pdfIn PDF document text
- http://lica.plovdivweek.com/js/ckfinder/userfiles/files/67977267239.pdfIn PDF document text
- http://africareview.in/userfiles/file/83521257156.pdfIn PDF document text
- https://atiksigorta.com/files/83907632637.pdfIn PDF document text
- https://yapluka-services.fr/userfiles/file/rutezenabasiniximuw.pdfIn PDF document text
- https://blokhol.com/upload/files/xufosad.pdfIn PDF document text
- https://zahrek.com/userfiles/file/79096725452.pdfIn PDF document text
- http://ausafe.net/images/art/files/goxakenerovifem.pdfIn PDF document text
- http://xn----itbbfrdrdbd4bgy6gi.xn--p1ai/webroot/files/files/9732002602.pdfIn PDF document text
- http://njchemland.com/upload/files/23259185185.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16133439f9541f---88879521004.pdfIn PDF document text
- https://noelex22.org/userfiles/file/jupobe.pdfIn PDF document text
- https://doanandieuduong295doson.vn/namthuan/images/news/files/73120983473.pdfIn PDF document text
- https://ytdrive.com/CKEdit/upload/files/wodepo.pdfIn PDF document text
- http://mopron.ru/upload/files/bebofobe.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613abe7a865a6---55729689979.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+use+app+hiderPDF 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_off0000d252.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD252 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA64 | 17716 bytes |
SHA-256: 16d86bd3e19d060d384f3225e086f9a148b4c06c81f8c9d76ccae88ca3c4f84f |
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font_02_sfnt_off000117e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117E1 | 10516 bytes |
SHA-256: ed285f4d44edb003ec6cc18a7b8e2200960d4f6a5e72c59f1515d936b79a0a0c |
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