MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous extracted URLs suggest a phishing or scam attempt, likely disguised as a document download. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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://smidgel.ru/uplcv?utm_term=fundamentals+of+electric+circuits+6th+edition+solutions+pdf PDF link annotation
- http://www.plain-pied.com/editeur/ckfinder/userfiles/files/25650219669.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/8b5fc0ae21a86a9616a2525b07ce13ad/benonatok.pdfIn PDF document text
- http://kartelabasligi.com/images_upload/files/susepuvefedo.pdfIn PDF document text
- http://erictex.com/ufiles/files/vopukufitabonunesapale.pdfIn PDF document text
- http://hzosm.com/images/upload/File/84386832125.pdfIn PDF document text
- https://megacook.pt/site/upload/file/datorokenujebi.pdfIn PDF document text
- https://binhvi.com/upload/files/79059807521.pdfIn PDF document text
- http://dailythang.com/userfiles/files/mupeparoviwuzaju.pdfIn PDF document text
- http://leebyunghun.kr/new/upload/board/files/ludugumokudilatotubodila.pdfIn PDF document text
- http://elpijisystem.com/file/56828663192.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/68078551054.pdfIn PDF document text
- http://camara.acessoainformacao.org/uploads/ckfinder/files/zinagopuwusi.pdfIn PDF document text
- https://aljuboori.com/userfiles/files/27242522185.pdfIn PDF document text
- http://bualuang101.com/backoffice/upload/files/3833473923.pdfIn PDF document text
- http://smalternatywa.pl/media/upload/files/32ac274365b9238e713fecea7150e2a1.pdfIn PDF document text
- https://grouptm2.com/contents/files/xikafoxegajimomoroxaxewo.pdfIn PDF document text
- http://makinsushi.com/uploads/files/pezap.pdfIn PDF document text
- http://eschool365.in/js/admin/uploadfiles/file/83567251077.pdfIn PDF document text
- http://tsyrulnikov.ru/upload/file/2094931833.pdfIn PDF document text
- https://cfi-registration.amyhalter.com/buzzboxgift/img/userfiles/files/4638019097.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/pixumetina.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136efce50c3e---26503569897.pdfIn PDF document text
- http://webursitet.org/Files/file/fimefipijekekunezojafe.pdfIn PDF document text
- http://honeystraw.com/uploadfiles/file/nawixakosevojifaz.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_off0000f12a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF12A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001093c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1093C | 18424 bytes |
SHA-256: e67b1041c0d38122aa4de2c8ced05b6c171190b850057e083e1d495fe62abf12 |
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font_02_sfnt_off0001394d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1394D | 11132 bytes |
SHA-256: 90abe4de5c8c7a34b05afb9eadc77d1e7fbe3f6be6bbe80ce552bde21bb7a1ef |
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