MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a large number of external URIs and link farm patterns, suggesting it is designed to redirect users to potentially harmful websites. The presence of compromised CMS upload links further indicates a malicious intent to host or distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://archism.ru/uplcv?utm_term=nursing+diagnosis+for+breast+cancer PDF link annotation
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe23bd215c---zujoziturafuwepivilulita.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/62f561af9bf1fa0abc44e372ab01bd4e/41686456332.pdfIn PDF document text
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/98jl3vvtokkp29gtb0kel1a6r0/wajupebuv.pdfIn PDF document text
- http://musikpark-live.de/userfiles/file/koxefavedelavul.pdfIn PDF document text
- http://clinicaveterinariagoitese.it/userfiles/files/63399429598.pdfIn PDF document text
- https://yuss.itfile/gavobunujowemumemu.pdfIn PDF document text
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/805c0e934a4122c3f790b2154ebdd298/pulavenilixejop.pdfIn PDF document text
- http://shield-in.com/userfiles/files/89492157014.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/eafb6d089cff209a8b606f8aaeafaf8f/21343393653.pdfIn PDF document text
- http://rhoptik.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/nalovevimojexus.pdfIn PDF document text
- https://toptenstudy.com/upload/files/BodyFile__60D2488E196E2.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/dcvk5ogvush3f9bdcq9tsprou4/50026949866.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/301222395265.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/ridotarerejogewu.pdfIn PDF document text
- http://tradeweb.es/userfiles/file/2247203276.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5dbfb0847---59638612821.pdfIn PDF document text
- http://gorisum.net/fckeditor/upload_file/file/dagaxikixugamoja.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf5dcd6fbc0---84846007028.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160849ea2aa58c---66637728875.pdfIn PDF document text
- https://alixdemassy.fr/userfiles/file/gatakaz.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/40bdb850216f84d8f7a6064fc082764d/nonevamamugukipipewi.pdfIn PDF document text
- https://akapacha.com/userfiles/file/17662839840.pdfIn PDF document text
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/0af9c772de1bcbbbe00e36fd5bfb22ec/90342778061.pdfIn PDF document text
- http://webhenevents.com/clients/868374/File/wamitixadukoxuvasatupupa.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_off0000e845.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE845 | 16460 bytes |
SHA-256: d0d9017447f95fcadf55f30b43c9c932082eb68d17e97650db73cf3d8bd82da9 |
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font_01_sfnt_off000112fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112FD | 10820 bytes |
SHA-256: cb5ef99e7863dab9cd54e088e7fb574c6ecbe55daf029834dd076bcfbb04444f |
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font_02_sfnt_off00012be4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BE4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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