MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised websites, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lead the user to a malicious payload or phishing site. The document body, though heavily obfuscated, suggests a lure related to educational materials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/gq0ornspgbvkvdjb5lvrbb4r7c/fenejufugitigurufu.pdf In PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/8qp6tcuh6j6714ea4k7qcav2p1/mimugudojutiz.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/2ac3d77069054860821870b17f5c5a62/59644295501.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606fcb2539526---47196849739.pdfIn PDF document text
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/c2eafe594dcf2303e980eaaff03d81e4/73631989591.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1606f26695cf4d---27446088980.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/02293039f33912e6768b8f8c5b10748c/68690410628.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/31960512345.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2d5c0fe15---susowa.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f89fc2bd39---bedabixixazivemejefiv.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e74e862220---gitixikagovoleduxituxer.pdfIn PDF document text
- https://adlinefor.com/home/webagen/public_html/korn/data/file/14690634467.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd0932e322---28594571976.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16083b652ce3b5---nigimibemigibixeviwozowem.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/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=student+exploration+circuits+worksheet+answer+key+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://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_off000126a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126A2 | 5672 bytes |
SHA-256: 3153b58e2f2b4422aa1d9b5debe592d63dc6098f36d4da1e0959cfee57a81bbe |
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font_01_sfnt_off00013a0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A0D | 11868 bytes |
SHA-256: a8af35d5dfadb3cd032a1bf522eeb83a7a2efbd75ff8b946d9e8886e65b552f1 |
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