MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories and disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. The presence of these links and the overall structure strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://krr-nfe.com/suratnfe/UserFiles/File/43519361105.pdf In PDF document text
- https://www.akilciilacdernegi.com/ckfinder/userfiles/files/rajixozama.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/rnsjlkjrikndk29qmk5fvephs4/81130504316.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/5rl8678h4i4lrb9fld6a3n2von/46961156983.pdfIn PDF document text
- http://riverla.vn/uploads/userfiles/file/zifinojexi.pdfIn PDF document text
- http://gro-felix.si/uploads/48569661555.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161343959c4680---5801965616.pdfIn PDF document text
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16140bbe2c735e---jixefonawasibanijotofatu.pdfIn PDF document text
- http://studiocommercialedelpiano.it/userfiles/files/5126556024.pdfIn PDF document text
- https://estatecambodia.com/htdocs/cljr/data/files/siwage.pdfIn PDF document text
- https://bandotrading.com/uploads/file/81240409917.pdfIn PDF document text
- http://ventexevent.se/uploads/file/nizodoliv.pdfIn PDF document text
- https://willes-gb.com/uploads/files/202109020410515223.pdfIn PDF document text
- https://manhremhoangvan.com/wp-content/uploads/files/66615383729.pdfIn PDF document text
- https://istanbularicilikfestivali.com/upload/ckfinder/files/xiduno.pdfIn PDF document text
- https://tabularasa.lv/sites/tabularasa/uploads/documents/files/36186487911.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/aee92a71f20dd7ea2fa46bdc037cb26b/japuzejivadunumu.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613163abd7318---99453484023.pdfIn PDF document text
- http://hidropro.hu/upload/radoxuxeje.pdfIn PDF document text
- https://butagallery.com/userfiles/files/70676222872.pdfIn PDF document text
- http://synphabase.ch/upload/file/5329189126.pdfIn PDF document text
- http://royalgroup.at/tmp/wixefufejoletejupumar.pdfIn PDF document text
- http://www.buildonhope.org/file/kixonejirojexad.pdfIn PDF document text
- http://papienbanana.com/user_file/file/vegomak.pdfIn PDF document text
- http://xn----8sbfhu6ab4bqv.xn--p1ai/userfiles/file/3938763620.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=watch+atp+finals+live+online+freePDF 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ce14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE14 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e62b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE62B | 10636 bytes |
SHA-256: 6238da17e4a707b00851f035d5b34b32accbb6ec8add0addae07cabcfcfc1d24 |
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font_02_sfnt_off0000fe8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE8A | 17708 bytes |
SHA-256: d7339dc9cd91e89eecf0c2c1efd235433cc7be494e8f343a1e8b2eb61ee7c71a |
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