MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs that function as a link farm, directing users to potentially malicious websites. Heuristics indicate these links are hosted on compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://philabc.ru/uplcv?utm_term=best+games+for+rog+3 PDF link annotation
- https://gonguyenkhoi.vn/upload/files/vatojidafigutemafezivukak.pdfIn PDF document text
- https://musikkursus.dk/userfiles/file/pipuwobose.pdfIn PDF document text
- http://rasciindia.com/firetech/ckupload/files/zikosafavepukizo.pdfIn PDF document text
- http://machinegroup.ru/img/outer/files/87639766242.pdfIn PDF document text
- http://mishor-uvk.com/uploads/files/mitakokuliwofaz.pdfIn PDF document text
- http://kepco-group.com/uploaded_files/userfiles/files/gisexokoregepizatolix.pdfIn PDF document text
- http://openendrep.com/userfiles/files/31169219652.pdfIn PDF document text
- https://eghamatkade.com/basefile/eghamatkadecom/files/2184604154.pdfIn PDF document text
- http://zuche0551.com/upload/file/75858510471.pdfIn PDF document text
- https://wigs4less.net/nbloom/fckuploads/file/dabezesogusikosevul.pdfIn PDF document text
- http://cdio.vn/uploads/userfiles/file/7233909565.pdfIn PDF document text
- https://reviewz.eu/app/webroot/files/userfiles/files/jibojujotoxixafotadolepa.pdfIn PDF document text
- https://tvsporedi.si/vsebina/66633696046.pdfIn PDF document text
- http://xn--sanitrprofi-p8a.ch/fckeditor/editor/images/file/rudurupasip.pdfIn PDF document text
- http://halaljones.com/uploads/files/19480140007.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/c5a81069ef92c9d0ea42e6d8fa408d57/67104937963.pdfIn PDF document text
- https://sgicorp.com/userfiles/files/buzenepategudiwox.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614049c0b7de5---10700748059.pdfIn PDF document text
- http://7sate.com/filespath/files/20210912132427.pdfIn PDF document text
- http://kbidc.kr/upload/editor/file/1631790856.pdfIn PDF document text
- http://www.tm-africa.com/beta/public/uploads/cms_filescms_files/68975289929.pdfIn PDF document text
- https://glamweddingdesign.com/userfiles/file/fisomojo.pdfIn PDF document text
- http://digivideos.net/ckfinder/userfiles/files/bavejimavodog.pdfIn PDF document text
- http://bctlorraine.org/userfiles/file/5156012162.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a526bd1956---zuwiforominenoxogil.pdfIn PDF document text
- https://skvely-kup.cz/files/file/11332198720.pdfIn PDF document text
- https://4of100churchstreet.com/assets/media/files/26235030073.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_off0000ce03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE03 | 10540 bytes |
SHA-256: acfa46eaa71c2d196162d671a3bf949dcf5caefa3fdf748a058dda4761fdf68f |
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font_01_sfnt_off0000e62c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE62C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fe3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE3E | 17932 bytes |
SHA-256: 9e45a1a3e981458d1d03e8b6789185e1943d70eafb01ddb63fa257553098852d |
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