MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised CMS upload directories, suggesting a link farm used to distribute malicious content or redirect users to phishing sites. The document body, though heavily obfuscated, appears to be a lure related to educational content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160abfffbccf01---42549753130.pdf In PDF document text
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/372eb6781048ad4623a49446b3b83482/nupitabeva.pdfIn PDF document text
- https://irantruck.ir/data/file/vaxuwufibusixenivinufalug.pdfIn PDF document text
- http://meteosputnik.ru/userfiles/file/58946634141.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1606d11f334952---kadogolepu.pdfIn PDF document text
- https://agentcctv.com/userfiles/file/48303379627.pdfIn PDF document text
- http://agendatourvietnam.com/hinhanh/file/tefijebozipapuzopetonixof.pdfIn PDF document text
- http://personnelstrategies.net/userfiles/file/8720528591.pdfIn PDF document text
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/fbek7k7rq2qas47vegesqvfkrn/74908797118.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/099761a6495cb0243da4574d33e19bd8/99335888211.pdfIn PDF document text
- http://altaprecision.com/userfiles/file/tonogogifafija.pdfIn PDF document text
- https://aimhc.com/userfiles/file/75032393264.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/f3f7c36cefe8b5295461d1ee2d0d102d/jodisizesogatowalevo.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/59be4c1d54188b12cf2443b1c4ed6892/mutoxibujilepukef.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c052849343b---fopatiliti.pdfIn PDF document text
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c71df1e0ce9---vezokakef.pdfIn PDF document text
- http://mediaworld.pro/ckfinder/userfiles/files/fewafuwijigavamum.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=decimal+place+value+chart+worksheetPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c8c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8C9 | 5388 bytes |
SHA-256: 7ffb419913bd38f99789a293a5fffd3baf97ae770eb1c0ff67f7854067c45653 |
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font_01_sfnt_off0000db08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB08 | 10696 bytes |
SHA-256: 2f1d5e196d23f80bd3c62ffdc79c06a67f7acd349fbbbe53bd5e1cad3f95ba9c |
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