MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. It also features a large number of external links, many pointing to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://chithanhplastics.com/uploads/userfiles/file/48178056705.pdf
- https://www.potravinyav21.cz/ckfinder/userfiles/files/tazaralenanabiw.pdf
- https://songhong.info/userfiles/file/10976890074.pdf
- http://salsainkonstanz.de/media/files/66184903572.pdf
- https://satellietgroep.nl/userfiles/files/nerefawofefigevivedi.pdf
- https://mylin.in/ckeditor/ckfinder/userfiles/files/68442604506.pdf
- http://www.ciesol.es/ckfinder/userfiles/files/24949808967.pdf
- https://carsen.sk/editor_uploads/system/files/98160956228.pdf
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/faa193dcbc89ca1f7bf1a7e03e6a9d9a/gajerukelatakosapabureb.pdf
- https://csmgh.net/pevron/www/img/file/zijuvu.pdf
- http://lovesenergy.nl/file/60211887785.pdf
- http://www.ccengis.be/applications/ckeditor/addons/ckeditor/ckfinder/userfiles/files/vefabapugadokowosuderes.pdf
- http://tantos.jp/js/upload/files/fazetufolijepupadebogexij.pdf
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/b13d4a1f9c90848fe0323599af213ce5/volidofomesomedatu.pdf
- http://tropo-design.com/ckfinder/userfiles/files/56695650800.pdf
- https://exam10.menapoint.com/app/webroot/upload/files/87530093426.pdf
- http://ryanoomen.nl/uploadimages/files/xanapopuvagorogitevadi.pdf
- http://automozg.by/upload/editor/files/timejavoke.pdf
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612f01507750d---vemeputemum.pdf
- https://naucharts.com/ckfinder/userfiles/files/57710072602.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/161347355b253d---wobinuv.pdf
- http://jump360.co/upload/files/20210904075031.pdf
- http://exclusivelimoservice.com/ckfinder/userfiles/files/pojuno.pdf
- https://ladangmimpi2.com/contents/files/4034567090.pdf
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0784573af---wufopu.pdf
- http://langeline.com/ckeditor/upload/files/botopomininobirix.pdf
- http://kapalishakti.com/ckfinder/userfiles/files/69140396276.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=temple+castle+run+apk+download
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bb81.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB81 | 16792 bytes |
font_01_sfnt_off0000d398.bin4d511cd56a5b1ba44a438cab4677a5b5e2a1c90fdcac552587fe0c501fa2dbb2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD398 | 10824 bytes |
font_02_sfnt_off0000eca6.bin5a3e154defaace603641ec09029b3896ee2aee8981b564be132f5b51d5cd1a4f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECA6 | 15900 bytes |
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