MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document identified as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS uploads or disposable hosting, forming a link farm. This suggests the document's primary purpose is to redirect users to potentially malicious sites, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://yjccnc.com/upload/files/59488807670.pdf In PDF document text
- https://12waktu.com/contents/files/34893470745.pdfIn PDF document text
- http://autodilykanka.cz/cmsimple/images/file/rebevulivogukelazo.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/00gskoee5nlqhpjf7vfp8c01h3/kiviselavemupafadi.pdfIn PDF document text
- https://nepalfinepashmina.com/userfiles/file/385532581.pdfIn PDF document text
- https://luxesystem.site/js/ckfinder/userfiles/files/99443719195.pdfIn PDF document text
- http://ippinnudon.com/uploads/files/jitil.pdfIn PDF document text
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148463480fcb---gizezum.pdfIn PDF document text
- https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/zikujivijasanapaxirixime.pdfIn PDF document text
- http://laser-piskovani.cz/democms/userfiles/file/dexesupawopifuwimogogesi.pdfIn PDF document text
- http://contactfm.be/userfiles/files/94988345379.pdfIn PDF document text
- http://leoclubmarsala.it/userfiles/files/fifukibaxa.pdfIn PDF document text
- http://garage-ys.info/js/upload/files/gezipegiluroboraj.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/uc196mbmqp9p9mckm1qqkld9v6/82379983598.pdfIn PDF document text
- https://legend-chang.com/UserFiles/files/23048935929.pdfIn PDF document text
- http://0851gay.org/userfiles/202109file/2021090313480270554.pdfIn PDF document text
- https://dichocungtoi.com/userfiles/file/51701493349.pdfIn PDF document text
- https://www.opsclown.it/ckfinder/userfiles/files/xenaxilube.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ae11258df2---sewixixipabizotexup.pdfIn PDF document text
- http://kojeneckezbozi.eu/userfiles/file/60003122507.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=all+pokemon+mystery+dungeon+gamesPDF link annotation
- http://s292376414.onlinehome.fr/datas/imgmail/file/jizimi.pdfIn PDF document text
- 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_off0000acba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACBA | 15760 bytes |
SHA-256: e69d27826a37287208556cf1df70872a9f3d89d6093d71164bf82f3c9a80b7a2 |
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font_01_sfnt_off0000d503.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD503 | 10932 bytes |
SHA-256: ae290ab2b380c96e039e5940d3af3a58eee8d9789e24910ab1f60cd73726db0c |
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font_02_sfnt_off0000ee33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE33 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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