MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm designed to obscure the true destination. The document body, though partially obfuscated, suggests a lure related to chapter summaries, likely to trick users into clicking malicious links.
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://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202104300521254832.pdf In PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/a6da99b097a24b88a14b65a5d6820982/gisokolejonapefedarugataw.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/a08f0b8a15fa5c967cf6ccfa7f4772e5/zefupedunikoxetinadi.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/0g466pcabai0i7siip4tjk4rpm/19491843073.pdfIn PDF document text
- https://gannat-ltd.com/userfiles/file/46100898540.pdfIn PDF document text
- http://asbufestival.com/uploads/FCK_files/file/33748957772.pdfIn PDF document text
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105010055079709.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/r3cehop0iq5avqv1v5g9vtg5pv/60455582300.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/1588c7b97ec12b3e5abe98414ffbdc61/21025904713.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e84618e630---wewidutunagutikexo.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076616f2fcc5---53132207147.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/vagokiwagunuwofipunaj.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/37d0622a72d17826e1537b5bc6fbe8b4/zewavufuxo.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/38f2c8c937b7d168a5ef0edb387f178b/76183565889.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160870d5310f85---zurerekitetikemetokube.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/290217172185.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf7a7afab9---2981909181.pdfIn PDF document text
- http://emotionpicturesfestival.gr/userfiles/file/86719564088.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/BvfzZFkJO3s/uplcv?utm_term=pobre+ana+chapter+5+and+6+summaryPDF 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_off0000d228.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD228 | 5804 bytes |
SHA-256: 1dd996d64afafedbe159e0674f785692d5144c7829f5eb61416f7237e907401a |
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font_01_sfnt_off0000e5c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5C2 | 9656 bytes |
SHA-256: 28711b4b61e5392cdec9a4fa749113f7c6cd43cb16b1f26432dd9a80d8c9ac6a |
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