MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious content or phish users. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics, along with a high ML score and ClamAV detection, strongly indicates malicious intent. The embedded URLs are likely part of a social engineering tactic to trick users into downloading further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/652cfd7295d49687058b595930f3af21/34222536772.pdf In PDF document text
- https://abhimaninteriors.com/ckfinder/userfiles/files/28947437409.pdfIn PDF document text
- http://piscesappliances.com/userfiles/file/bivakerapexefilukunina.pdfIn PDF document text
- https://llibreriaha.com/img/events/file/82100607475.pdfIn PDF document text
- https://inprovitchile.com/ckfinder/userfiles/files/66019877112.pdfIn PDF document text
- http://bpabv.nl/uploadfiles/file/3718590278.pdfIn PDF document text
- http://ipllaser.in/uploads/13983682256.pdfIn PDF document text
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/f1ae99fe27214242abe22f8fac36abbd/bejepipamifovemabaxen.pdfIn PDF document text
- http://harckocsik.hu/userfiles/file/nujuxupelavaluselakureze.pdfIn PDF document text
- http://mamaskitchenorder.com/uploads/files/xaxesigirevovofukezavinod.pdfIn PDF document text
- http://anabakorea.jp/userfiles/file/buzubulalidozifup.pdfIn PDF document text
- http://apvn.info/userfiles/file/79338730711.pdfIn PDF document text
- http://xn--b1amishc2fb.xn--p1ai/ckfinder/userfiles/files/vojiwusiguledijawifo.pdfIn PDF document text
- https://www.aaptuk.org/ckfinder/userfiles/files/34100468833.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/16140306d6feca---8862605847.pdfIn PDF document text
- http://cx-gl.hu/images/files/zekigofepulevajefoxi.pdfIn PDF document text
- https://alternativecarrepair.nl/userfiles/file/3384099212.pdfIn PDF document text
- http://isystemlab.com/admin/ckfinder/userfiles/files/6432823264.pdfIn PDF document text
- http://generoussecurity.com/uploads/90254014947.pdfIn PDF document text
- http://hankyunget.net/userData/board/file/40307436494.pdfIn PDF document text
- http://spl-designs.com/ckfinder/userfiles/files/dinalafal.pdfIn PDF document text
- http://www.blueoak.fr/image/file/kigarodesowabefuzifi.pdfIn PDF document text
- http://haiqi-machine.com/d/files/pujolawiluvumobedotanoja.pdfIn PDF document text
- http://gapoom.com/upload/fckeditor/file/gikax.pdfIn PDF document text
- http://www.pantonerestauri.com/ckfinder/userfiles/files/92386528527.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=download+onet+for+pc+windows+10PDF 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_off0000e0b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f8c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8C8 | 10872 bytes |
SHA-256: f776e2c044c5f3dd1de934e4fae9a325fb956f590649550361a0a220764c6ad4 |
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font_02_sfnt_off00011218.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11218 | 17232 bytes |
SHA-256: 818b21a56bc4d12bab83fc73defb5d05ff858303cbcb46fc5e9de494df552b62 |
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