MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://drafthe.ru/uplcv?utm_term=leg+press+calf+extension PDF link annotation
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134cf959b311---66237980164.pdfIn PDF document text
- https://campermagazine.tv/public/file/7570922779.pdfIn PDF document text
- http://szguilong.com/userfiles/files/94119215948.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e95325525---33596044612.pdfIn PDF document text
- http://vtaky.sk/media/file/33825592287.pdfIn PDF document text
- http://tungalag.mn/userfiles/files/31609894634.pdfIn PDF document text
- https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/dobosi.pdfIn PDF document text
- https://hijaulumut.com/contents/files/gefuxisonigugijax.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021090223460473499.pdfIn PDF document text
- http://castudio.eu/userfiles/files/30351028555.pdfIn PDF document text
- http://j1medical.com/uploaded/file/97141185129.pdfIn PDF document text
- https://nvsrolko.org/ckfinder/userfiles/files/jadefedunajalidid.pdfIn PDF document text
- http://pololanna.com/user_img/files/14506641514.pdfIn PDF document text
- http://hoangle.vn/uploads/userfiles/file/23841086347.pdfIn PDF document text
- http://xn--66-6kc8bfmkmjd.xn--p1ai/admin/ckfinder/userfiles/files/68621080984.pdfIn PDF document text
- http://meteoratourismactivities.com/files/files/revuviweberoxe.pdfIn PDF document text
- https://www.iieng.org/editor/ckfinder/userfiles/files/dalunalojeg.pdfIn PDF document text
- http://avvocatoandreabruschi.it/userfiles/files/94480708455.pdfIn PDF document text
- https://bio-obst-und-gemuese.de/userfiles/file/68757201798.pdfIn PDF document text
- https://rrr71.ru/upload_picture/rewex.pdfIn PDF document text
- https://mamotato.ro/userfiles/file/92823461183.pdfIn PDF document text
- http://ruihuitax.com/files/file/fuwodeduzunekudi.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/lg9pol90j3jusvr0ct8m0n51e1/wudovomarutovokeji.pdfIn PDF document text
- http://guowangcable.com/d/files/xiwemitazapobatig.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_off0000d337.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD337 | 10712 bytes |
SHA-256: 5b1110d6ae12a695195def151bede7c06ea20aa9e45f6778a765c41ea2572c3e |
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font_01_sfnt_off0000ebf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010408.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10408 | 17280 bytes |
SHA-256: 1f46542e65a8c0f65df7c4732315dade0489053cdbcd4f16640baa7046dbb405 |
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