MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to compromised WordPress uploads and other disposable hosting, suggesting an attempt to redirect users to malicious content. The document body, though heavily obfuscated, appears to be 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 http://ylgems.com/file_media/file_image/file/lezekoj.pdf In PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/eac6qetgvslkb2jnne80k3kquq/19234746236.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/3gi3am7sjuvrtg4etm9v3jm6m2/pudada.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160826e9d6941b---didapamilunodonala.pdfIn PDF document text
- http://archerelectricsupply.com/userfiles/file/38243916546.pdfIn PDF document text
- https://hoakhanh.vn/uploads/image/files/tisesozubuxegixiforipelin.pdfIn PDF document text
- http://www.companyforte.com/imagenes/editor/file/fisesovawa.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/en1sg84s5dujscuvcmt4f6dlac/67564708500.pdfIn PDF document text
- https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/ke73dhjk22gnk7q1rjqaiigv8t/sabaserug.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/06d788e150d2e9994996087658fb633a/20064899637.pdfIn PDF document text
- https://alatheir.com/atheirwsfiles/file/27592030341.pdfIn PDF document text
- http://auxerretv.com/content/public/file/76005259015.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/1qrc86c5lqc0sdve6tshns8e0r/49447715488.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/d2bf86bd73ffad8f7e6a766444173bb2/15872654970.pdfIn PDF document text
- http://simonide.org/userfiles/file/nufovaxunelolegizinu.pdfIn PDF document text
- https://carparts-fixture.com/file/file/96399751916.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/FevRqgeaUVY/uplcv?utm_term=schofield+and+sims+key+stage+2+comprehension+book+3+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_off0000f5b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B8 | 6364 bytes |
SHA-256: a1dd83c1546b673042eb365540fa2840d6603e14565a4b86476c634b8bcb078d |
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font_01_sfnt_off00010b46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B46 | 10544 bytes |
SHA-256: f68c3faab445b120438f41a15564f23c81e39a61ff5ef1aa25fcf64a8e704c19 |
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