MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This 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 CMS uploads or disposable domains, suggesting a link farm or phishing lure. The document body, though heavily obfuscated, appears to be a garbled attempt to disguise the malicious intent, possibly related to a fake PDF download or exercise page.
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=articles+d%25C3%25A9finis+ind%25C3%25A9finis+partitifs+contract%25C3%25A9s+exercices+pdf PDF link annotation
- https://ises.ca/phpsites/vertical_living/uploads/file/53685799006.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file/%5C/2021052619004838.pdfIn PDF document text
- https://unosms.us/userfiles/file/17784541661.pdfIn PDF document text
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/33q70oleu9ha6v5d15v300iplr/52970479795.pdfIn PDF document text
- https://bladmedyczny24.pl/wp-content/plugins/super-forms/uploads/php/files/dc85769c9edae55bba496f406c98b047/tetuxadiga.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ada98310e67---bozexaburud.pdfIn PDF document text
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/79f57d497c1a17c31b5972e62e0d7b20/5609803608.pdfIn PDF document text
- http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/rikanubenugodonore.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084edbb609fc---97877748753.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a62ca26cf49---jelafefapi.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/tadebijamanozajom.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/cf58cf16d8800c4bab4c20da412dac28/29327410605.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/4o4pjjhmij4fq81t9q08n0kg90/19426693286.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160772a8237740---tibaz.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ac1923792---19320731994.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_off0000da6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA6E | 5348 bytes |
SHA-256: c0187beb9495714cfcd2c36e6e72f947798cab9080bf5a753e858152cf2a28ae |
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font_01_sfnt_off0000ec72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC72 | 12144 bytes |
SHA-256: 9f922b37e3ed287ad742e4c7a52dd6189081033bb79d57ea0dd881c1a845784b |
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