MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file contains embedded JavaScript and numerous external URIs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution. The embedded JavaScript is a common method for executing malicious code or initiating further downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://medvor.ru/uplcv?utm_term=frogs+lay+eggs+in+water PDF link annotation
- http://dush-kz.ru/uploads/fck/file/36257797622.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613b264a5907c---sigonojajogojuserubavafa.pdfIn PDF document text
- https://pensionradvanice.cz/res/file/99761420514.pdfIn PDF document text
- http://steelfurniturecn.com/d/files/90901303949.pdfIn PDF document text
- http://eakqshop.com/ckfinder/images_store/files/95615879193.pdfIn PDF document text
- http://rebeccafantarchitetto.it/userfiles/files/lonolafemu.pdfIn PDF document text
- http://malbreil.com/userfiles/file/kilosadim.pdfIn PDF document text
- http://amicalelaique-guyancourt.fr/ckfinder/userfiles/files/55808134367.pdfIn PDF document text
- http://rkmaster.ru/uploads/files/6420827254.pdfIn PDF document text
- http://caerulumpharma.com/upload/files/50699063821.pdfIn PDF document text
- http://hissekurban.com/resimler/files/suseru.pdfIn PDF document text
- https://livre-art.com/ckfinder/userfiles/files/16116464885.pdfIn PDF document text
- https://fo-prefectures.com/pages/files/89220557319.pdfIn PDF document text
- http://kengosushionlineorder.com/uploads/files/63384182943.pdfIn PDF document text
- http://studiochiodo.eu/userfiles/files/fafidizunazapisis.pdfIn PDF document text
- http://www.mamafoundation.cz/ckfinder/userfiles/files/89580233298.pdfIn PDF document text
- https://www.padanguparduotuve.lt/ckfinder/userfiles/files/5710260896.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/73mbbi1g466k6q4fgickt3s9p8/75991365458.pdfIn PDF document text
- http://phoiinnhiet.com/images/uploads/files/11614964904.pdfIn PDF document text
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/3be1ee3ca28b3b974f9b0ec08b757576/nomigokenoguraxexeri.pdfIn PDF document text
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/00c5df392747054adfe90aa7865f504e/nadorizov.pdfIn PDF document text
- http://talk200.com/admin/admin/uploadfiles/file/56004153.pdfIn PDF document text
- http://shiinamotors.com/js/upload/files/setovekebife.pdfIn PDF document text
- https://catbasailing.com/upload/fck/file/31484984299.pdfIn PDF document text
- https://braindevelopmentmaps-org.neurondevelopment.org/userfiles/files/88194712692.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_off0000b0b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0B7 | 10460 bytes |
SHA-256: 506b127fbc6120213f41bcd19e343e3c7dfd866f321b5ad19b0be90bed9dc42b |
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font_01_sfnt_off0000c8a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8A4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e0b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0B6 | 15744 bytes |
SHA-256: 4e0e4e19e673d4227f5d67e0c949b16fcbe1dcbbcc755ef20d4b96f672545987 |
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