MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised websites or link farms, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and URL analysis point towards a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://myclubowners.com/userfiles/files/2326365924.pdf In PDF document text
- http://www.grupoaccs.net/ckfinder/userfiles/files/83979656246.pdfIn PDF document text
- http://wib24-admin.de/uploads/file/pikak.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/161336be4cfe0f---47126739753.pdfIn PDF document text
- http://asia-test.informacittadino.net/media/files/2291846284.pdfIn PDF document text
- http://katela.net/userData/board/file/75494022655.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/5751e036af0fbb6af7cb05d32ed941a6/98443162682.pdfIn PDF document text
- https://juraganmonyet.com/contents/files/96155666397.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/09496703dd99f6dedfe1ac1dbb77c5e6/83774226268.pdfIn PDF document text
- http://hzbmsj.com/images/upload/File/jarelubimipepufonesezen.pdfIn PDF document text
- http://energo-winstal.pl/userfiles/file/68569080276.pdfIn PDF document text
- https://arte-salon.ru/upload_picture/13214552245.pdfIn PDF document text
- http://lyzebrno.cz/userfiles/file/tepekebovizupujup.pdfIn PDF document text
- http://vouchertiket.com/airplane/ckeditor/uploads/files/56149814909.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16141bc07515fc---38017167307.pdfIn PDF document text
- https://songhong-thudo.com/img/files/momarer.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-9-10/20210910184411385020.pdfIn PDF document text
- http://happinessgown.com/upload/users/files/14545460459.pdfIn PDF document text
- https://aznamaste.com/ckfinder/userfiles/files/39861896544.pdfIn PDF document text
- http://cukiernia.eu/upload/files/39537129253.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=call+free+apk+modPDF 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://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_off0000db77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB77 | 18656 bytes |
SHA-256: 0a0fc50af5dce5f22b17a76a58c3ed2d14bd497944891c33eff018aaa2d7cf09 |
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font_01_sfnt_off00010bdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BDD | 10320 bytes |
SHA-256: 781f3f834bf5d9c4aa18ec9c9785db8c935ff321a035999ba4d851e2394124f0 |
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font_02_sfnt_off00012321.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12321 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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