MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were extracted, the structure and URL patterns are consistent with a phishing lure designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 6
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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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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://suacuachuyennghiep.com/uploads/files/72707836400.pdf In PDF document text
- http://phunphu.com/userfiles/file/jevakasafotu.pdfIn PDF document text
- https://korzo-galeria.hu/files/file/9150328897.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/71356908523.pdfIn PDF document text
- https://kanalprofi.at/UserFiles/file/danimisigopasefupego.pdfIn PDF document text
- https://xn--fiqa735be48e.com/upload/files/juzenodosurusipitosil.pdfIn PDF document text
- http://skulpt.in/admin/uploads/file/91635141284.pdfIn PDF document text
- http://borneneskontor-landsforening.dk/userfiles/file/renepeloxovapamud.pdfIn PDF document text
- http://toszegisuli.hu/userfiles/file/fifixexemaligogokalax.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130e8d095969---jujama.pdfIn PDF document text
- http://sea-cruise.ru/ckfinder/userfiles/files/fereke.pdfIn PDF document text
- https://usgcambodia.com/userfiles/file/nirikugikebagojebirogixap.pdfIn PDF document text
- https://silky.ae/images/bulk_images/files/vewobo.pdfIn PDF document text
- http://footstepfloor.com/upfiles/files/11473514808.pdfIn PDF document text
- https://lighthousemacau.com/html_upload/file/wuxuvomijari.pdfIn PDF document text
- http://xinyuemu.net/assets/202109/files/20210910183804717570.pdfIn PDF document text
- http://foto-recepty.sk/images/fotky/76867070741.pdfIn PDF document text
- https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/fekojazapito.pdfIn PDF document text
- http://mrukseo.pl/userfiles/file/80246031337.pdfIn PDF document text
- http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613299293fcdc---bekefarasarebebokesigutof.pdfIn PDF document text
- http://feriaalainversa.com/uploaded/files/ximekunijutewetuxelefok.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/ca2d112254a8c2aee8148d415310abc1/60246142590.pdfIn PDF document text
- http://aircond.md/upload_fck/file/gosugenisafujigebamix.pdfIn PDF document text
- http://sweed-trans.eu/ckfinder/userfiles/files/siduxoxogibunoxigajubuxu.pdfIn PDF document text
- http://traktorpulling.de/ablage/userfiles/files/80280018782.pdfIn PDF document text
- http://minhquoc.vn/ckfinder/userfiles/files/lebinigulo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=year+4+comprehension+worksheets+pdfPDF link annotation
- 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_off0000e354.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE354 | 11080 bytes |
SHA-256: 2328ace398d30e4ca5262eb902d0e3547e759ad77205606e1a101072ebfa632a |
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font_01_sfnt_off0000fd0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD0D | 17460 bytes |
SHA-256: 828a887a473b3ec897df5f5f1fb420af2c3ea3e87a75a9c6ae5ccac0dbbfa24a |
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font_02_sfnt_off00012a56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A56 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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