MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate a pattern of link farming and exploitation of vulnerable CMS uploads. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or SEO spam.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16150dfd7663d5---vonepazematokunodutejipux.pdf In PDF document text
- http://btfa.tw/upload/files/62690077240.pdfIn PDF document text
- https://alkoplast.rs/files/givaf.pdfIn PDF document text
- http://spbmedaks.ru/sites/default/files/uploads/fogujeju.pdfIn PDF document text
- http://gnox.vn/upload/files/dorapixikegirajewa.pdfIn PDF document text
- https://dbhattacharjee.com/ckfinder/userfiles/files/66890418073.pdfIn PDF document text
- http://norilskgu.ru/userfiles/file/21337492488.pdfIn PDF document text
- http://mrhobbscoffee.com/images/uploads/file/rebol.pdfIn PDF document text
- http://musicpark-live.de/userfiles/file/dopovirogux.pdfIn PDF document text
- https://www.assofmt.org/ckfinder/userfiles/files/makisenugijogikamowab.pdfIn PDF document text
- https://spitalmoldovanoua.ro/ckfinder/userfiles/files/93185562560.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/xufol.pdfIn PDF document text
- http://xn--12cbg9dihj7egda2g6a7dceb1d2cp4nvgf4f.com/datas/files/wuwula.pdfIn PDF document text
- https://samarthanamparisara.org/apadmin/uploads/userfiles/files/zinebupun.pdfIn PDF document text
- https://www.cifphosteleriayturismo.es/ckfinder/userfiles/files/87174444976.pdfIn PDF document text
- http://bernardthevenet.fr/ckfinder/userfiles/files/puxanafufe.pdfIn PDF document text
- https://stmarys-perthamboy.com/upload/File/xuladobotu.pdfIn PDF document text
- https://verredistri.fr/xmedia/file/dulolefotepikevujupuvigoz.pdfIn PDF document text
- http://52fotki.ru/ckfinder/userfiles/files/27602709327.pdfIn PDF document text
- https://ascii.tn/web/cgi/file/xuboziluf.pdfIn PDF document text
- https://casadko.fr/userfiles/file/sewaxuvuwof.pdfIn PDF document text
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/a0791c33f78a35a083846497060a7615/22708840038.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/161404344d3b43---38316144876.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=malayalam+ebooks+pdf+free+downloadPDF 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_off0000b11c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB11C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c92e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC92E | 16776 bytes |
SHA-256: 0584b05e13e53e18fdfcf07524544919aa58b207e653feb2a389dce4a5c45c10 |
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font_02_sfnt_off0000f3f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3F0 | 10896 bytes |
SHA-256: 70ac78c3db616d76f63407ddac251034813180bc9674e816564d71777828fd55 |
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