MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS uploads, suggesting a link farm designed to redirect users to malicious sites. The presence of these links aligns with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 http://alburigiott.it/userfiles/files/12627764902.pdf In PDF document text
- http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vigozesowofuvevi.pdfIn PDF document text
- http://clinicaveterinariamontecchia.com/userfiles/files/piwadijosuvetuxadilu.pdfIn PDF document text
- http://woodwork.pl/ubezpiecz/obrazy/file/42543003201.pdfIn PDF document text
- https://sanvexe.vn/webroot/img/files/nadutexubokawomome.pdfIn PDF document text
- https://digireg.pl/upload/79510889358.pdfIn PDF document text
- https://intervalhousehamilton.org/ckfinder/userfiles/files/dibepuvodi.pdfIn PDF document text
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/faad2b1909cbeb6fd004e05a615f5383/93154759746.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16131f75075071---65111367788.pdfIn PDF document text
- http://trunghungplastic.com/luutru/files/nirulimekusosuviwemerosut.pdfIn PDF document text
- http://apexnepaltravel.com/userfiles/file/50270472319.pdfIn PDF document text
- https://carlojans.com/cms/file/11674748859.pdfIn PDF document text
- http://yjccnc.com/upload/files/tovofa.pdfIn PDF document text
- https://www.tvmreza.tv/ckfinder/userfiles/files/38097125830.pdfIn PDF document text
- http://gajagotour.com/UserFiles/file/ritidunamigimimazi.pdfIn PDF document text
- http://rainhouse.kr/data/editor/file/1241042153612ff5e4e3b22.pdfIn PDF document text
- https://pepsima.biz/files/file/65504119998.pdfIn PDF document text
- https://festivaldelmaridaje.com/sgi_userfiles/userfiles/files/wonaxo.pdfIn PDF document text
- http://vinhthuan.com/upload/files/86144327138.pdfIn PDF document text
- https://www.almuhja.com/ckfinder/userfiles/files/83085075356.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131fc7766194---78176289953.pdfIn PDF document text
- https://mccartha-cobb.com/userfiles/files/48358139301.pdfIn PDF document text
- http://xn--80aer5aza.xn----htbdepbihnfb8cyg.xn--p1ai/ckfinder/userfiles/files/raxem.pdfIn PDF document text
- http://tydafa.com/dafa/uploadfiles/20210906072500.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=equal+employment+opportunity+policy+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_off0000dbd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f3ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3ED | 10956 bytes |
SHA-256: eeb3500ca8437d288eb5969aa4a23fabe013a57898999d327954c8d5386ed612 |
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font_02_sfnt_off00010d14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D14 | 17076 bytes |
SHA-256: 4837bc579aa0ffc8d8dab1ecb7c32018d4b202e5edc2108c2933ae37a1cb3eb8 |
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