MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF containing numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests a deliberate effort to create a link farm for malicious purposes, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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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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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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=sim+toolkit+message PDF link annotation
- http://www.enjoyvaltellina.it/admin/ckfinder/userfiles/files/gotitowemiwoboxovinineb.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614110aa01664---37555519225.pdfIn PDF document text
- http://tc-antey.ru/uploads/files/37990351130.pdfIn PDF document text
- http://aolisenjiancai.com/data/files/nadukekidofatadevazonofex.pdfIn PDF document text
- https://webornate.com/viking1/uploads/files/radoxavener.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141632fbedcd---jetoxikan.pdfIn PDF document text
- https://evergreencans.com/userfiles/file/28795661760.pdfIn PDF document text
- http://marikitaberbagi.com/userfiles/file/dikotep.pdfIn PDF document text
- https://agros.net/uploads/file/mejogepolufazefe.pdfIn PDF document text
- http://ajivikafinance.com/userfiles/file/30271769742.pdfIn PDF document text
- http://ozt.zielonetarasy-cieplice.pl/uploads/userfiles/files/kuwubolulifowodux.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/44024487055.pdfIn PDF document text
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/xenevakowozowivurewu.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/jofg5t7tc726jpuibmbfnf0hr0/31768344936.pdfIn PDF document text
- http://dlzhrjd.com/images/uploadfile/files/waleda.pdfIn PDF document text
- http://floral-design-lindgens.de/userfiles/file/35213652822.pdfIn PDF document text
- http://sccsfz.org/upload/2021-09/98837740634.pdfIn PDF document text
- http://4darchitecture.org/img/all/zifoba.pdfIn PDF document text
- https://ra7a7p-h3ba7.com/contents/files/83864446648.pdfIn PDF document text
- http://baovethanglongmb.com/upload/files/zobije.pdfIn PDF document text
- http://starma.pl/files/file/13993621034.pdfIn PDF document text
- https://minjar.mebel18.com/uploads/files/roxivapedajidamafodarizo.pdfIn PDF document text
- http://ramenhajimetustin.com/uploads/files/kalemozime.pdfIn PDF document text
- https://togeltop.net/contents/files/5125357151.pdfIn PDF document text
- https://dragonexpressml.com/userfiles/files/pefapajegopurakekim.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_off0000d970.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD970 | 10412 bytes |
SHA-256: e0c09280a0f50a0a06fa355ba8fa9b825f8094e2167a69203095406c712b2ba7 |
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font_01_sfnt_off0000f116.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF116 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010928.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10928 | 17732 bytes |
SHA-256: 350b86f73ed5ea92bb802f8360ec590b9ff2b886c4266c9df760fff8afe04ba7 |
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