MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm or phishing lure. The document body, though heavily obfuscated, appears to contain metadata related to academic materials, which is likely a pretext to disguise the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/fb965b1f7ffbe4c4bad8eb9aa1a93b5f/wexosilarurixoxipomuf.pdf In PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce12c77412---74781750892.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/c823e6cee93ef6496af2cc5a57696c2b/nazosatufefisazatin.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/1a22fff28c0ccd5e6833c32b9eecd737/migedosegelazir.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/1f45064855a4cf2a697e18aa803c482a/riwerifipasaxa.pdfIn PDF document text
- http://guides2alpes.fr/uploads/file/vefazinukavikatame.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/68721400343.pdfIn PDF document text
- https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/537cf77c8f5a995dc3a93f77ba4585f4/44597405041.pdfIn PDF document text
- http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/90734221538.pdfIn PDF document text
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9e8de48b8---dedaset.pdfIn PDF document text
- http://pnmanagementsolutions.in/uploads/zulozokosigulodow.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16079a94c60bcf---webokejoxo.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/f0bq3npdcpmtiavtltef56hdes/83598674720.pdfIn PDF document text
- http://thuexedanang247.com/uploads/image/files/vigon.pdfIn PDF document text
- https://autosaloncenter.com/uploads/file/xupowuxibimelebidep.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/~3/3vuEKuznOb8/uplcv?utm_term=cambridge+ielts+8+reading+test+4+answersPDF 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_off0000d9f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9F8 | 5564 bytes |
SHA-256: 60239a583292a8321e94fb6d1294049f6bb6de4a48210684a3ed98432ec755f5 |
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font_01_sfnt_off0000ecd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECD3 | 21004 bytes |
SHA-256: 4d3f89eb2e3b01d9aaed8eb533161db65a3a0ceea4c13ba54d6c2b7025c289a1 |
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