MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites and disposable hosting, indicating a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or delivering a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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://schokobrunnen.com/idata/99916099068.pdf In PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/3770c082d31cbe06c4d7debc73dba09b/15526382325.pdfIn PDF document text
- https://aonetreks.com/uploads/file/98320524724.pdfIn PDF document text
- http://www.odnpoznan.pl/fotki/file/file/zirixiv.pdfIn PDF document text
- http://nebovsem.ru/app/webroot/files/files/pugawokujijode.pdfIn PDF document text
- https://planet-for-events.de/userfiles/file/88141205361.pdfIn PDF document text
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6bd6c447ea---pomebowavajapuzufirozilu.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076e4bfdf4e7---81419084230.pdfIn PDF document text
- http://trendstyleimage.com/uploads/ckfinder/userfiles/files/83716570433.pdfIn PDF document text
- http://bright-mineral.com/uploadfile/file/2021062023190228.pdfIn PDF document text
- https://mm-podium.ro/userfiles/file/pigobitanuwozoralitilab.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086b1e16d55e---nusis.pdfIn PDF document text
- https://rumahbaruku.com/contents//files/47845859225.pdfIn PDF document text
- http://amdind.com/userfiles/file/jakigezanokeribulofopata.pdfIn PDF document text
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/7spsi7huv2t1g1qv8ah01vb439/39821335954.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/e5fd8907d732c29893d0c9a2625da987/kaxukinasudotivoxonofinez.pdfIn PDF document text
- http://school19-zav.ru/userfiles/file/26555800969.pdfIn PDF document text
- http://namngonviet.com/user-/files/62556556532.pdfIn PDF document text
- https://mecaniquekd.ca/upload/file/zedovuleromenuvisininum.pdfIn PDF document text
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/h53cfrk3cl6gch8gve41rr3ktk/18839329988.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160bbfcce7531f---26014041745.pdfIn PDF document text
- http://trunglam.vn/uploads/userfiles/file/11467561503.pdfIn PDF document text
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/f63cbd60c4aa692ec387cded82b88d91/penulujavoges.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/d19bdc53ba7bc7ed9ae1c797875d17c5/80465365725.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609e6b6d5d1c5---sisuxixokumirud.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/d9663e464904a07085dbc894c4f6abb3/7956897893.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=terry+williams+cflPDF 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_off0000ef97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF97 | 17652 bytes |
SHA-256: d01fcbd15cc9f751ee33d84040de535dcc3503c540c25c4b0320c3a17458f8c0 |
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font_01_sfnt_off00011e30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E30 | 10340 bytes |
SHA-256: 12e7d194c109c0fba51df7b837a33a06ba9aa8f26519ae02470c4469c6ae582f |
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font_02_sfnt_off00013594.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13594 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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