MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised or disposable hosting. The heuristic 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicate a link farm designed to direct users to malicious content. The ML classifier and ClamAV detection further support its malicious nature, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://i-chat.tw/js/ckfinder/userfiles/files/89184362896.pdf In PDF document text
- http://psychologyforeverybody.com/ckfinder/userfiles/files/makudilixevugukizarijiju.pdfIn PDF document text
- http://www.39koratmachinery.com/file_upload/files/9755960732.pdfIn PDF document text
- https://artistaone.co/userfiles/files/belatebeg.pdfIn PDF document text
- https://leosservices.com/userfiles/file/22466315446.pdfIn PDF document text
- https://liantoong.com/archive/upload/files/gejoxel.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/78077126870.pdfIn PDF document text
- http://madinaboys.com/easydo%20v2.00/files/uploads/7684251098.pdfIn PDF document text
- http://chinhsuasolieu.com/media/files/95643533109.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/b153c40cfae6a8c63c89db44d62f82c1/11328633369.pdfIn PDF document text
- https://mahae.hu/files/files/26150938784.pdfIn PDF document text
- http://synergyproperty.com/images/files/64158578848.pdfIn PDF document text
- http://thegioioto.store/upload/files/28860137726.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff1a49c402---gebakolimezuvaripenivuxi.pdfIn PDF document text
- http://meskerjager.nl/media/files/12547483563.pdfIn PDF document text
- http://greenmodels.ru/uploads/files/nanokede.pdfIn PDF document text
- https://cpsguffanti.it/uploads/file/89670543851.pdfIn PDF document text
- http://hoteldazegliotorino.com/userfiles/files/62474984164.pdfIn PDF document text
- http://hbtsap.com/Upfiles/news/file///xujuj.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346ea4e1c2b---gafaxaf.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/57b7032c8a429635ce127beb20a34ce9/89678999562.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614149c7a9a6c---77977652794.pdfIn PDF document text
- https://www.hkha.org/ckfinder/userfiles/files/wizuwik.pdfIn PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/9ddbdca91247c177e26bc83c8214a71a/41241216962.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=indian+idol+10+finalePDF 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_off0000c0e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d8f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8F5 | 16904 bytes |
SHA-256: 7b18e33100401af56fcc79808defd64b9aca2f01cf99bd5e0f2c4d14aa6d1b95 |
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font_02_sfnt_off000103b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103B5 | 10104 bytes |
SHA-256: 80e2cfcea88400f9159b5149ce30632e6d1908e1fd9138056053516d3af3051a |
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