MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The document also features a link farm with numerous URLs pointing to compromised WordPress sites and other disposable hosting, likely serving as a lure for phishing or malware distribution. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://krisoc.ru/uplcv?utm_term=tm28+pokemon+let%2527s+go+pikachu PDF link annotation
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/1d190b99db3ca4d26220178abec407db/mufugenilakazawufefuj.pdfIn PDF document text
- http://serextion2006.com/js/upload/files/74455546445.pdfIn PDF document text
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/e5181c7229a268e02137cd1e0775f755/wutinufavemusinukapub.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/2043f02bed7920e81ab9764cf07b88f8/bovorib.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609390ea1457e---wukixumatasi.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/50khpqfchdpt880vr8kl1heqe7/54332948589.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/l8b5t000m3vurne9j7p94t6n05/34878267873.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d26ec116a---99842927733.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/47bb8a265e08e5e1b2fa4e5b14de2e7c/99976556885.pdfIn PDF document text
- https://afayl.com/userfiles/file/11189890094.pdfIn PDF document text
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca396cfc70---zimoperu.pdfIn PDF document text
- http://www.jobsincrete.gr/images/_user_na/file/23609227442.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/ce301f683150f234c9bfa39b9c788664/3862202221.pdfIn PDF document text
- http://fygl.net/uploads/file/090756463346.pdfIn PDF document text
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/739873b5b6be605515e8108544f69cae/votedijunusakopopunu.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609b702102c13---87489526852.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF29 | 5624 bytes |
SHA-256: 59d35c86b4b6d64d7c85b912a7f7f164f0e28dbff6ba2f56a9a661abb52445b1 |
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font_01_sfnt_off0001022f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1022F | 11336 bytes |
SHA-256: e6c2ee8ade00217c7dc62b95cbdce248de430924c7fe79ff8ff3858079909908 |
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