MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many pointing to compromised CMS upload storage or disposable hosting, indicating a phishing or malware distribution attempt. ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment. The embedded JavaScript likely serves to execute malicious actions or redirect the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://irlanc.ru/uplcv?utm_term=find+the+area+of+shaded+part+in+the+figure PDF link annotation
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150bfc344196---50618458480.pdfIn PDF document text
- https://appchecar.com/ckfinder/userfiles/files/raginevirawapanatupojona.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/lifovufatitulonu.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/d36d8d6e831d8e9609bf02e0f5a2727b/junuf.pdfIn PDF document text
- http://nemalipics.com/64822741626.pdfIn PDF document text
- http://mabifitness.it/userfiles/files/67019283998.pdfIn PDF document text
- http://cosmoscm.com/contents/files/37723459886.pdfIn PDF document text
- https://adetexfoamgroup.centralcms.cloud/galeria/files/21320605861.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/k9fabk1823m84m4s7rg47ios27/35365363596.pdfIn PDF document text
- https://hahapediatric.com/uploads/files/202109240536375992.pdfIn PDF document text
- http://laiyi-art.com/userfiles/file/5202378381.pdfIn PDF document text
- http://consol.hu/images/uploadedimages/file/76614473107.pdfIn PDF document text
- http://shiinamotors.com/js/upload/files/46491977939.pdfIn PDF document text
- http://tuclubcr.com/campannas/file/71233877688.pdfIn PDF document text
- http://kpdb.org/userfiles/files/zadasaba.pdfIn PDF document text
- https://kit-veron.my/ckfinder/userfiles/files/bumininot.pdfIn PDF document text
- http://cz-synergy.cz/data/file/daxemanilepepagon.pdfIn PDF document text
- http://titadoorbinhduong.com/upload/files/69862244745.pdfIn PDF document text
- https://ccaquebec.com/userupload/files/2172830226.pdfIn PDF document text
- http://antifftech.com/uploadfile/file///2021090904450974.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1614ba38bf3882---73755192597.pdfIn PDF document text
- https://cuatudongsaigon.net/uploads/files/79797690715.pdfIn PDF document text
- http://share-world.tw/userfiles/file/44109616920.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_off0000b3c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3C4 | 10808 bytes |
SHA-256: c51da71bc116f528963b768953d9ea834cbc0c5ea932d133d78a88b8ef7bd900 |
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font_01_sfnt_off0000cc5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC5D | 16964 bytes |
SHA-256: c31602cef8484908a9afcb32fb2b5bb14af593f337726f268afdf3496fc2a275 |
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font_02_sfnt_off0000f7a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7A0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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