MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded URLs are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://oniceh.ru/uplcv?utm_term=comparison+eukaryotic+and+prokaryotic+cells PDF link annotation
- https://uroci-kursove.com/userfiles/file/38229028025.pdfIn PDF document text
- https://satbietthu.com/luutru/files/nesodawaf.pdfIn PDF document text
- https://pointswestliving.com/ckfinder/userfiles/files/vodutijefovunebabisime.pdfIn PDF document text
- http://samtekelektrik.com/files/45347590280.pdfIn PDF document text
- http://jiji.pgo.tw/pic/uploads/files/90319823152.pdfIn PDF document text
- http://maszyny.pl/userfiles/file/pugososowazojali.pdfIn PDF document text
- http://hoangminhphatkorea.com/webroot/img/files/bumunixepukolokopu.pdfIn PDF document text
- http://kanoonkaraj.ir/dbmanager/filebank/htmlgallery/file///37586037744.pdfIn PDF document text
- https://soudurelausiere.ca/upload/editor/file/siwutaxerizorilitik.pdfIn PDF document text
- https://fokusmedia.com/images/uploads/laxulaviga.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/161398fe3cf048---rapabukebedepafis.pdfIn PDF document text
- http://hyswimpool.com/userfiles/petovefisovojosug.pdfIn PDF document text
- http://myappartement.de/web/editor/files/nevolifefixifidukever.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e910435153---kamilomamajesabikofosir.pdfIn PDF document text
- http://xn--hazrdner-r4a10d.com/alisveris/yollanan_resimler/file/tiruruniremisat.pdfIn PDF document text
- https://tsegypt.com/file/nerakivog.pdfIn PDF document text
- http://smcertificationservices.com/userfiles/files/pululomodaponuwawu.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/21db16c80d45d3cf3f19bc739ed38e45/jofixinisex.pdfIn PDF document text
- http://ride.hu/images/uploads/files/sejuwagajud.pdfIn PDF document text
- https://jocafoto.com/fotos/file/85084508598.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142a4ca9b762---39572682257.pdfIn PDF document text
- https://protrialse.eu/files/files/gazaker.pdfIn 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://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_off0000d2a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2A1 | 11012 bytes |
SHA-256: a6b13261800b15316ea5f2c514d8ad2c73f6fe909f65747eb75ab9e99fbcc888 |
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font_01_sfnt_off0000ec48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC48 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001045a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1045A | 17024 bytes |
SHA-256: 31cb4aeb7af9ff3b3a0c9add9b564d2d72c8d092c5a6827741e0996d34b5aa2a |
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