MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It functions as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains. The presence of numerous PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics strongly indicates a malicious intent to redirect users to external, untrusted content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://archism.ru/uplcv?utm_term=porn+flash+games+android PDF link annotation
- https://ganport.pl/userfiles/file/zobovagowutoj.pdfIn PDF document text
- http://klick-tipp.at/ckfinder/userfiles/publics/files/92191791964.pdfIn PDF document text
- https://eurotig.ro/file/84266628796.pdfIn PDF document text
- https://szabolcsipeter.com/userfiles/file/xifebubafi.pdfIn PDF document text
- https://argumentua.com/i/file/buripanomugidi.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eca83e5863---69264520540.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/e8ba0fe757d6549f4ab4388b105cf93f/meweriwagikulomikagujo.pdfIn PDF document text
- http://khocabien.com/uploads/files/79126240514.pdfIn PDF document text
- http://rayhovietnam.vn/upload/files/robudimiduvawufaw.pdfIn PDF document text
- https://ph2020.org/ckfinder/userfiles/files/52110432567.pdfIn PDF document text
- http://kag.fr/userfiles/file/44850310791.pdfIn PDF document text
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613894be11f9f---42742334367.pdfIn PDF document text
- https://mr-alian.com/upload/ckfinder/files/3645627360.pdfIn PDF document text
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/df3dc28b1efa611505b2c79133ff8c4b/44216738982.pdfIn PDF document text
- http://www.icareonline.net.au/ckfinder/icare/files/3303803618.pdfIn PDF document text
- http://zaun-produzent.de/userfiles/file/nowegovonu.pdfIn PDF document text
- http://www.donboscovizag.org/images/files/fapunuwidimus.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16130f9c4aabf0---93110309309.pdfIn PDF document text
- http://dxline.eu/userfiles/file/92863475109.pdfIn PDF document text
- https://quanghuydulich.vn/img_duhoc/files/56070148767.pdfIn PDF document text
- http://neogmbh.de/www/sites/default/files/userfiles/file/vofuxufepaj.pdfIn PDF document text
- http://kingsap.com/file_media/file_image/file/31481608487.pdfIn PDF document text
- http://alfatreyd-mebel.ru/archive/images/file/javiwerubasobanigenasikim.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_off0000f7bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7BD | 17248 bytes |
SHA-256: 58bd773d0b0bb2a6d57e59929e598a10e5e3f2787b9edadc136d5f9f918024e3 |
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font_01_sfnt_off0001247f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1247F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013c96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C96 | 10704 bytes |
SHA-256: 9d343884e5f9299ea54d5019bc77aa0cf9ec7d72d666df281866c51ea76c6a84 |
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