MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection indicate this PDF is malicious. It contains numerous links to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution scheme.
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 http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/ed9980921311dd02349294e1bbc612d8/rurolebadedodilaxanifeza.pdf In PDF document text
- http://atel-j.nl/uploads/files/lunadifufoxikazodusog.pdfIn PDF document text
- https://lompatjauh.com/contents/files/vijetotanavit.pdfIn PDF document text
- http://brilspa.ro/userfiles/file///32366398296.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ffd28c680a---fezikupatemopedowogebu.pdfIn PDF document text
- http://ccspatti.org/userfiles/file/zufivomu.pdfIn PDF document text
- http://orgue-chantepie.info/FCKeditor/upload/file/gubusuk.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/48a817a296a7b9b866367f1869b6b672/654709382.pdfIn PDF document text
- https://demircanticaret.com/userfiles/file/lawafofov.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f985a6b842e---26894007797.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f81b79d58c8---tumelujajabaxosidopip.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/56132774264.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608294ede1f22---lagatofusom.pdfIn PDF document text
- http://emilymillerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nozowugiwon.pdfIn PDF document text
- http://drive4smilesontario.com/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/dakib.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/42d34a6bcd329501511194e1767a6f93/89905759674.pdfIn PDF document text
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/fdf80226e5464822cfce6819ed4bb779/kebunotus.pdfIn PDF document text
- http://jdhs77.com/clients/58520/File/giwadevudazejatera.pdfIn PDF document text
- http://casier-a-bouteilles.com/file/31335843907.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16089b6578c162---regoxava.pdfIn PDF document text
- http://exmar.it/foto_fck/file/gabogozogos.pdfIn PDF document text
- https://shaplaconsulting.com/app/webroot/ckfinder/userfiles/files/givejuniriwopizagebiwuk.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ecc46bec3---bivoxe.pdfIn PDF document text
- https://www.hasmow.com.au/application/third_party/ckfinder/userfiles/files/xexorapotativuru.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608926e32b7bf---74468883582.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=citizen+eco+drive+manual+change+timePDF 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_off0000fd09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD09 | 10904 bytes |
SHA-256: a3f675b4be05e522d3b726a7bc0920932076c71e0b5a8d7996381fb3613984df |
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font_01_sfnt_off000115ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115EF | 20040 bytes |
SHA-256: 8051a4bbb4b215fd5f3e6877f6c31bb3cd3b3cc9316536dc35efcaf1b68e5940 |
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font_02_sfnt_off0001498f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1498F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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