MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to potentially malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://medvor.ru/uplcv?utm_term=how+to+send+pictures+from+android+phone+to+computer PDF link annotation
- http://buyyoutubelikes.com/ci/userfiles/files/61762785871.pdfIn PDF document text
- http://www.impactit.in/ckfinder/userfiles/files/733716676.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/dfa88e312c9af0d2cf09a75792ace567/20470128365.pdfIn PDF document text
- https://www.greenlakecruises.com/ckfinder/userfiles/files/zevesoga.pdfIn PDF document text
- https://greenfuturevietnam.com/Upload/files/molovimafezosokuse.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16134abb551b2e---taxosoj.pdfIn PDF document text
- http://dmhu.eu/uploads/uplib/file/fumune.pdfIn PDF document text
- http://thomas-zigon.de/images/file/lubudovisimipazinagoxiri.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/wejaxofotasedo.pdfIn PDF document text
- https://xn--z4qq44i.xn--kpry57d/upload/actfiles/vinaxodidagakakepi.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/d82aae3ad851f9f9304ec21470767069/sadilogovutave.pdfIn PDF document text
- http://nwatchonline.org/userfiles/file/muvipegate.pdfIn PDF document text
- https://foodexgida.com/uploads/files/93435381789.pdfIn PDF document text
- https://markiza-trade.ru/admin/ckfinder/userfiles/files/zulukomif.pdfIn PDF document text
- http://gotoippc.com/ckfinder/userfiles/files/44932284.pdfIn PDF document text
- http://podushka.by/files/files/96997327514.pdfIn PDF document text
- http://seanbittinger.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/morewitegevafij.pdfIn PDF document text
- http://www.radio-kum.si/data/files/kezopajibikuzon.pdfIn PDF document text
- https://araprinter.com/ckfinder/userfiles/files/5726634582.pdfIn PDF document text
- http://milkyway-vn.com/upload/files/19029679325.pdfIn PDF document text
- http://medicapoland.pl/uploaded/file/kigufowotiloze.pdfIn PDF document text
- http://finproekt-msk.ru/userfiles/file/bukinodoxo.pdfIn PDF document text
- http://yuhenganquan.com/userfiles/file/20210922001155_592488756.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613f2c6228904---62781094997.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_off0000d752.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD752 | 11016 bytes |
SHA-256: 855f3ea50c1065cd917eb741dfecc3eec36cf125d336a29dd990b030f6178f94 |
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font_01_sfnt_off0000f0c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0C1 | 18236 bytes |
SHA-256: c4b85c5aebe316e9d4f90e6a95446f4110f3be73648ffed7642708d31b05ebcb |
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font_02_sfnt_off00011faf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FAF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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