MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically identified as a phishing trojan by ClamAV. It contains numerous links to compromised websites and disposable hosting, suggesting a phishing or malware distribution campaign. The document body, though heavily obfuscated, appears to be a lure related to educational materials, likely to trick users into clicking 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://huntic.ru/uplcv?utm_term=multiplication+worksheets+grade+5+pdf PDF link annotation
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9ed0888ba---40437966264.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160bed23097ac4---75759053230.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/rtnknbcftfdshkilphm416mp1e/2688232398.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/s54riedmsodaukousduth56g16/kozolebojubaliliwiwip.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/br4prba4k33sjrhfr84ul1dahf/28895912552.pdfIn PDF document text
- https://inncredel.com/uploads/37515090326.pdfIn PDF document text
- http://skiflogistics.ru/userfiles/file/1092860376.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/16076f1ad6efcf---toguzakosujaremunuti.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/0752d389b0cfe2c90349a2b688c8a7c6/69204552645.pdfIn PDF document text
- http://aj-logistics.com/stock/userfiles/file/70446414418.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/1130473207aecf64ac7afa53d09b4ebe/48058856990.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160790fd3534d0---donowet.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/92090214389.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/11484475194.pdfIn PDF document text
- https://amitadevnani.com/userfiles/file/32617610680.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160823b7782add---masasejazun.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/891d499c682a59770f3e5dfdf9490204/sipevurovuvukedi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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_off0000f040.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF040 | 5700 bytes |
SHA-256: c87c42d8bb2b87ba9709683909612a659fd5b819d7e22309179df11a9c33b1e0 |
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font_01_sfnt_off000103c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103C8 | 10268 bytes |
SHA-256: 3713fca66368be5cda9c00c1a13e3f67e77d3adfb21e4ce3274b0ad1ddf322a5 |
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