MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which are hosted on disposable domains, indicating a link farm designed to obscure the true malicious destination. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
Heuristics 6
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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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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://hc6999.com/userfiles/files/91783346355.pdf In PDF document text
- https://abicecream.ru/ckfinder/userfiles/files/90758619225.pdfIn PDF document text
- https://hzautomatisering.nl/userfiles/file/86267558752.pdfIn PDF document text
- https://foulardfotografando.it/file/15259698643.pdfIn PDF document text
- http://ferramentabelleggia.it/public/file/40433672889.pdfIn PDF document text
- http://romangruszecki.com/uploaded/file/gojutomimifixirij.pdfIn PDF document text
- https://apz-arte.com/ckfinder/userfiles/files/8452022709.pdfIn PDF document text
- https://rumputhijau.com/contents/files/28912472540.pdfIn PDF document text
- http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/43492917732.pdfIn PDF document text
- http://autoescuelatosal.com/galeria/files/faroverituwimosonadotizad.pdfIn PDF document text
- http://rideabikenews.com/user_img/files/genaxamelujugujiwogefuk.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d1d26ac697---60419100881.pdfIn PDF document text
- https://megalightgroup.lv/uploads/files/62418595888.pdfIn PDF document text
- http://www.pacautomarketing.com/file/47719511488.pdfIn PDF document text
- http://rencontres-icare.org/userfiles/file/xasubedibi.pdfIn PDF document text
- https://chambredhotes-savoie.com/ckfinder/userfiles/files/foxejezeponuruzu.pdfIn PDF document text
- http://girlstown.org/files/js/ckfinder/userfiles/files/7580408905.pdfIn PDF document text
- https://rgcsmt.org/ckfinder/userfiles/files/21355698341.pdfIn PDF document text
- http://www.johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/37204648767.pdfIn PDF document text
- https://bunyaminerdemir.com/resimler/files/rofukinomupijotilikexus.pdfIn PDF document text
- https://homeuu.biz/upload/ckeditor/pages/files/56863978875.pdfIn PDF document text
- http://sochisushi.nl/survey/userfiles/files/54825532163.pdfIn PDF document text
- http://yacpa.org/yacpafiles/file/14823372515.pdfIn PDF document text
- http://z-him.ru/userfiles/file/kazebigiwovadewo.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1614d965034e7d---kokaxuxisodomatiwidejoloz.pdfIn PDF document text
- http://centromedicoveterinarioadda.com/userfiles/files/gafenuligarejeririwokaxi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=run+2+unblocked+76PDF link annotation
- 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_off0000b4f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4F1 | 15840 bytes |
SHA-256: dd6e2a5083f24948d9a1d42414620edad3aed38c8af7565eecfb229fecc7a5d7 |
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font_01_sfnt_off0000ddb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDB1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f5c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5C8 | 10456 bytes |
SHA-256: 4aa54e7401fa57768338c214b3091aca0c1b424fd312e8b69e3ffe2ae2d424f7 |
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