MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://huntic.ru/uplcv?utm_term=how+to+country+unlock+iphone PDF link annotation
- http://free-note.kr/files/fckeditor/file/942467081613dd1d474827.pdfIn PDF document text
- https://ms2oke.com/contents/files/salufujusoza.pdfIn PDF document text
- http://petrduchek.com/files/zofizixa.pdfIn PDF document text
- http://medi-sen.com/files/files/bipuwekinesukojimasopi.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/brkk11cu6gq3ta51fq47c9bhm6/feveguviwojuwixa.pdfIn PDF document text
- http://mgrima.com/files/file/33697238634.pdfIn PDF document text
- http://hbaoge.com/upload/files/30298423808.pdfIn PDF document text
- http://osmed.cz/app/webroot/files/files/senagibi.pdfIn PDF document text
- http://millionsdiscount.com/mo_images/files/27091913723.pdfIn PDF document text
- http://kartywspomnien.pl/uploads/assets/file/pubaselijivasojupi.pdfIn PDF document text
- http://studiotravenzolo.it/userfiles/files/96004280798.pdfIn PDF document text
- http://marcobernini.it/userfiles/files/18396094139.pdfIn PDF document text
- http://maudchristan.nl/ckfinder/userfiles/files/gaxiwotemokozaviw.pdfIn PDF document text
- https://www.twibiotech.com/plugin/ce1/ckfinder/userfiles/files/lisis.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/30674adf3510b8fc9f5f6efeffab3ed5/tetemusitiborafik.pdfIn PDF document text
- https://ideylia.fr/uploads/file/pajejofafofesaju.pdfIn PDF document text
- http://fsgpj.com/upfolder/e/files/20210909103100.pdfIn PDF document text
- https://evergreencans.com/userfiles/file/77373557727.pdfIn PDF document text
- http://cuacuonanbinh.com/userfiles/file/34434329677.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614329b13f8dc---degimefarufediguxak.pdfIn PDF document text
- http://bukharaalpharetta.com/sites/default/files/file/64246501653.pdfIn PDF document text
- https://ventadeterrenosurbanos.com/userfiles/file/19364792731.pdfIn PDF document text
- http://noavarservice.com/ckfinder/userfiles/files/xevogasofafo.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_off0000d276.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD276 | 10524 bytes |
SHA-256: 8c45a1ada93679c7676e233a3ac95227e2ad64fb5620a3f9835574d4e1582918 |
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font_01_sfnt_off0000ea5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA5C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001026e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1026E | 18636 bytes |
SHA-256: 4962ae864eddb43b9f36af4cdabe12a2d1285a87fc9bdae1d8f34cea6b9c2227 |
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