MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, indicating a link farm designed to distribute malicious content. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of multiple compromised CMS upload links suggests an attempt to host and distribute further malware or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608d71fc46e15---gozumupasibovelesekivapu.pdf In PDF document text
- https://ihotel2b.com/upfiles/editor/files/susadifowedikumam.pdfIn PDF document text
- https://repare-ton-smartphone.com/userfiles/file/59247060812.pdfIn PDF document text
- https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/64410087282.pdfIn PDF document text
- https://www.studiorosaliabusco.it/ckfinder/userfiles/files/68239225490.pdfIn PDF document text
- https://szallas-karpatalja.hu/upload/vejiduzo.pdfIn PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa282ef737---58308178188.pdfIn PDF document text
- http://catgarner.com/clients/873270/File/rabupisivakeva.pdfIn PDF document text
- https://villadorottya.hu/uploads/frontend/files/30603313079.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/98526610087.pdfIn PDF document text
- https://ratsimae.ee/media/contents/file/kababobikiguno.pdfIn PDF document text
- http://qytbearing.com/upfile/file/vazosedi.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a82251c71ff---50186635905.pdfIn PDF document text
- http://asokmontridental.com/userfiles/file/zegivavebebozu.pdfIn PDF document text
- http://yejiya.com/userfiles/file/vomaxaruxuze.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/vuxuxeviwuxuwon.pdfIn PDF document text
- http://elyriacatholic1970.com/clients/7/79/79c6984f8945646ae1b55d50a6b4dbab/File/gidaxumakomuv.pdfIn PDF document text
- https://www.mftelhas.com.br/adm/Editor/ckfinder/userfiles/files/degepozupuvisijima.pdfIn PDF document text
- http://yeditepegumruk.com/userfiles/42485713287.pdfIn PDF document text
- http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/bobupatuniz.pdfIn PDF document text
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16078d37039baf---jadavobu.pdfIn PDF document text
- http://hiredriver.com/uploads/assets/files/54157120748.pdfIn PDF document text
- http://eatatrudy.com/uploads/files/vuwixo.pdfIn PDF document text
- http://www.chp.pl/ckfinder/userfiles/files/rogibusezefafujitoro.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607604490f28b---8996250379.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=plasma+membrane+structure+and+function+pdfPDF 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_off0000c004.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC004 | 15844 bytes |
SHA-256: 654b8993d1fcf80c877cef50a41934755d70ab4baba86735b75b05edb7d05a83 |
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font_01_sfnt_off0000e845.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE845 | 11020 bytes |
SHA-256: bb9f653d64396ac6f0436a26314e6fc2f73bf9344ffca82bcb2d71836048549e |
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font_02_sfnt_off000101ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101AB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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