MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains a large number of embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://ketchas.ru/uplcv?utm_term=y9s+android+11
- https://ctyhoanongangiang.com/userfiles/file/milapuriruziwajigogutege.pdf
- http://soleilboo.com/images/uploads/files/gisevotuvoru.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/e89b24g8e837qltjt13qrqgi8p/tuzugetewazutegabogasorix.pdf
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/bfd22297dc6b69dc7d17959c7e5a84f3/48243123110.pdf
- https://dulsuc.cl/userfiles/file/xukelukajada.pdf
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/d9298dbb5968b1175deda14f1f64bee1/sodedupi.pdf
- http://panziofabian.hu/fck_kepek/3069716992.pdf
- http://nandishoverseas.com/UserFiles/File/tuvadezemisaruv.pdf
- http://autosoftware.company/autoresponders_images/files/zesefawixakigekivi.pdf
- https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/16139c39f2bc5d---magapogonabuji.pdf
- http://colantuono.it/userfiles/files/vuvapemodepaluzo.pdf
- http://www.satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/47086759215.pdf
- http://constantemails.com/userfiles/file/1631242288jatufepapufivirusebex.pdf
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/161425ee8d0e96---radedilipizi.pdf
- http://nesemlak.com/test/images/uploads/files/bifog.pdf
- https://5of7edwardstreet.com/assets/media/files/33585785928.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141e45534a10---89261500794.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/161404a3eb07e7---83127535910.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/161390dcb206c8---11592554866.pdf
- http://greatnice.club/updatefiles/file/rutawuwalumejizuf.pdf
- http://jagdrevier.hu/upload/images/file/4812812677.pdf
- https://kalendarz.probik.pl/fckeditor/userfiles/file/badexudotonemi.pdf
- http://gokea.org/upload/editor/files/kozikiruligadawuful.pdf
- http://chothuexeninhbinh.net/data/dulieu/files/76363934539.pdf
- http://rent2day.ca/ci2/userfiles/files/501970622.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef14.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF14 | 16792 bytes |
font_01_sfnt_off0001072b.bin044738c4cfb73a02ee3843da7aabb35b5d0f1d97706fa068591c5b45cc8d2f37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1072B | 10168 bytes |
font_02_sfnt_off00011e0b.binc54310c1550b90a4f1e5be4c26c85f1d425a7bbd5b2eda88bd2bd3b76b40cef4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E0B | 17744 bytes |
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