MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm or redirection mechanism. The document body, though heavily obfuscated, contains text related to a 'Maths quiz for class 10 pdf' and references wkhtmltopdf, indicating it's likely a lure to disguise malicious intent.
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 https://irlanc.ru/uplcv?utm_term=maths+quiz+for+class+10+pdf PDF link annotation
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b76f8071619---92579119091.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3cfa1ec01---37467017310.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608129d2b3486---pizupexugekuviwatotujilov.pdfIn PDF document text
- http://omegapizza.net/uploads/files/pulezewejoribuz.pdfIn PDF document text
- https://travelstore.tn/userfiles/file/46390600940.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b761064126c---vipifiviwosu.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b555f5296fc---gefetoluwebimawifikema.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607019499d992---merubiruxadefexuzi.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/77b678df494cf7d9be7249c8f4eecafe/wusujaxunixovedera.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/k0m75q93kjh55ds9pg7s87lph7/nitevefuvetinu.pdfIn PDF document text
- http://childconnect.com/swi/fckfiles//file/sufewidofux.pdfIn PDF document text
- http://daydreamspin.com/userfiles/file/18448323291.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/f79753c12310f74fccd865589235788a/99469572997.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/5f0d70205a9cd3c9e056e33699bfdb97/78390648510.pdfIn PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160aaf14bd10f8---varuzojorugilinotelif.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/49618a54672752f6c942bf0f161a9c53/mubazugisugalewix.pdfIn PDF document text
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/cet5j36n4ja98tf73aimbdf62v/xixazuwuderove.pdfIn PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/0d8142043f6e582234c672defba9bcb3/zulozake.pdfIn PDF document text
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/6d2dff1d9de70c4938f6c13a385b73cb/41528445411.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_off0000e972.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE972 | 5616 bytes |
SHA-256: 85a76bcedb94f7e141ee0b9e843d91b2a08fa1abd229e26c260075a36bc72968 |
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font_01_sfnt_off0000fc9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC9D | 12268 bytes |
SHA-256: 6dda164c8f2730aed47603afa332acfe3764e428697e2de589684d855711cb19 |
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