MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised WordPress upload storage, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, specifically identified as a phishing trojan. While no scripts were directly extracted, the PDF structure and heuristic firings point towards an attack pattern involving redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://tierlistei.ch/downloads/wakezegaki.pdf In PDF document text
- http://bluecars.pl/userfiles/file/9677803747.pdfIn PDF document text
- http://vers-ma.de/userfiles/file/vetesedobodejetomaxuz.pdfIn PDF document text
- https://ermolino.mebel18.com/uploads/files/wikejado.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/ltv82i684the47vq6o4j3boa6b/84143907451.pdfIn PDF document text
- http://koddous.com/userfiles/file/pokamiguvezapipidowem.pdfIn PDF document text
- http://mobilahomedesign.com/userfiles/files/putugox.pdfIn PDF document text
- https://hirurgija.me/files/zizukebinekipomoxosex.pdfIn PDF document text
- https://jackinthegym.com/uploads/files/202109020331178557.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303f725d8d0---3246365517.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133b9d11f934---66891559150.pdfIn PDF document text
- http://nathulaldasptti.com/ckeditor/ckfinder/userfiles/files/65883057158.pdfIn PDF document text
- http://harlit.com/ckfinder/userfiles/files/20210904_150120.pdfIn PDF document text
- http://cmorshomecareassociates.org/uploaded_files/userfiles/files/42888155852.pdfIn PDF document text
- https://saintarseny.ca/sites/saintarseny.ca/files/file/18998133567.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/4k0k0eqqhcjkp4q9e84roa2s8o/97098192768.pdfIn PDF document text
- http://csaladiegyteruautok.hu/userfiles/files/pavufiwumowof.pdfIn PDF document text
- http://bighost.vn/uploads/userfiles/file/95328566943.pdfIn PDF document text
- https://atlaskvartir.ua/data/uploads/files/28242746293.pdfIn PDF document text
- https://subded.org/userfiles/file/tenud.pdfIn PDF document text
- http://mascotdd.com/file_media/file_image/file/79636051415.pdfIn PDF document text
- http://vngo-cc.vn/cooker/public/files/wajazojimewo.pdfIn PDF document text
- https://aspit.ro/imagini_ws/12712859699.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=carmine+gallo+talk+like+ted+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_off0000cc94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC94 | 18048 bytes |
SHA-256: 7a9019f2e035a1111eacbe2ee5b5c96476bcc35f7215b7fd28d6cb67f2064b28 |
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font_01_sfnt_off0000fba3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBA3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000113ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113BA | 10796 bytes |
SHA-256: 1a5d5421a8667e4c7fc61705959901c79e0fa7b6a9f74d32ac9437771860f6e6 |
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