MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous URLs pointing to compromised websites and disposable hosting, indicative of a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://inwebjor.ru/uplcv?utm_term=the+outsiders+chapter+questions+and+answers+pdf PDF link annotation
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/161401d6cb161e---zupanujorakekowetege.pdfIn PDF document text
- http://boras-sjuharad.boj.se/uploads/userfiles/files/pimoxow.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1614fe53635829---ranefojakedofizifesoman.pdfIn PDF document text
- http://sirinthepgroup.com/userfiles/file/xibizitetefamoxe.pdfIn PDF document text
- https://it-remarketing.pl/app/webroot/media/files/83508652148.pdfIn PDF document text
- http://jiendurancecoaching.com/ckfinder/userfiles/files/93851561896.pdfIn PDF document text
- http://jinruily.com/UploadFile/file/20210918225945991.pdfIn PDF document text
- http://sciattella.net/images/file/wokevimigukusu.pdfIn PDF document text
- https://unique-u.biz/images/uploads/file/75227514960.pdfIn PDF document text
- http://www.socfertenviron.org/cmsfile/contentfiles/30334534664.pdfIn PDF document text
- http://cn-junsheng.com/upload/file///20219201281444.pdfIn PDF document text
- http://ourdesign.hk/ckfinder/userfiles/files/dazamuw.pdfIn PDF document text
- https://embassyinvietnam.com/webroot/img/files/ximil.pdfIn PDF document text
- https://picinterior.com/ckfinder/userfiles/files/fibog.pdfIn PDF document text
- http://ministryofrum.com/memlogos/file/woxizadobawikitazibomiwom.pdfIn PDF document text
- https://palezieux.com/ckfinder/userfiles/files/fagonawidemexi.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16132cdb9e4a6c---tebulonuzewu.pdfIn PDF document text
- https://daaeportrett.no/upload/file/25215442645.pdfIn PDF document text
- http://bolshunoff.ru/images/wysiwyg/file/pamepapuzov.pdfIn PDF document text
- http://garage-ys.info/js/upload/files/febejajonup.pdfIn PDF document text
- http://asbazainville.org/userfiles/file/88628275524.pdfIn PDF document text
- http://synthecinter.com/userfiles/files/7495333402.pdfIn PDF document text
- 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_off0000ae9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE9C | 16696 bytes |
SHA-256: 6c7402fc9b0a89ef824c665d600205b54a1d1e70a8604181bd3fda7306a2865e |
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font_01_sfnt_off0000d910.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD910 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f127.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF127 | 10964 bytes |
SHA-256: c2eca538dce87d299b45f34a23fed5cff7ea520aa2d0c0effb6bd1402e1a3ff2 |
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