MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to malicious sites for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 http://www.beautyvogue.ch/Files/file/71118810307.pdf
- https://k-newsletter.com/ckupload/files/lavinosiropinoxo.pdf
- https://maytinhdalat.vn/images/uploads/files/jurojovapetap.pdf
- http://gorisum.net/fckeditor/upload_file/file/punegep.pdf
- http://ngocphuocjsc.com/public/default/ckeditor/files/1238945346.pdf
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142e67a57096---41049394299.pdf
- http://jvcc.cn/ckfinder/userfiles/files/210910164317278466lkzbz.pdf
- https://bearings.vn/images/ckeditor/files/99395990082.pdf
- https://unovosti.tv/ckfinder/userfiles/files/fupejekama.pdf
- http://zoldjogsi.hu/uploads/files/6256924690.pdf
- https://pilot-nav.com/ckfinder/userfiles/files/16986263614.pdf
- http://arebiatours.com/uploads/files/16013542231.pdf
- https://transport-vehicules.fr/userfiles/file/vigamefa.pdf
- https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/jovivifi.pdf
- https://anyimaker.com/upload/users/files/wirexivepusutopopedu.pdf
- http://maslatalaia.com/userfiles/file/92972479291.pdf
- http://surveycook.com/upload/tmp/202109/file/gupuselupatejowugu.pdf
- http://tmacfashion.com/ckfinder/userfiles/files/logavewufozitawatizimodo.pdf
- https://k-newsletter.com/ckupload/files/31866701671.pdf
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/def0d082b98ffeaafeadc06cd4e0073a/43312783100.pdf
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/o2pc1bnahkdt99dp2vj332dr92/jobutozisoduwenomipi.pdf
- http://cudicio.it/images/file/37495930994.pdf
- https://lescourailleurs.com/upload/editor/file/4188365167.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=german+words+that+start+with+i
- 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_off0000b1d9.bin4e6b2ec434037083e8cd20a23ba5ad339c369f05a38be2b7dd85a155349ae277 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1D9 | 14584 bytes |
font_01_sfnt_off0000d5df.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5DF | 16792 bytes |
font_02_sfnt_off0000edf6.binc9e846ec55bc983687f3b6d0fafd6c57159adcfa1665ea7fcb8deddb5cad9861 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDF6 | 10592 bytes |
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