MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS upload directories. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed as a link farm on disposable hosting, likely to redirect users to malicious sites. The embedded JavaScript is likely used to facilitate the redirection or exploit vulnerabilities, contributing to a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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 https://oniceh.ru/uplcv?utm_term=old+and+young+hairy+lesbians PDF link annotation
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/e16emlk0utqnrrc0gp0knqco62/galepabunabupinimixuseki.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aadc2ea79fc---rilopumedubemu.pdfIn PDF document text
- http://kaizousha.com/js/upload/files/gomaruv.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/fc0a06c208689786f52b7f9e642f7abb/83468899629.pdfIn PDF document text
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/00ee8c5f2687962f2acf0b6968494db0/nexonatimefazuref.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1607e013647338---37709946531.pdfIn PDF document text
- http://happyhanool.com/ckupload/files/72098205362.pdfIn PDF document text
- https://istanbulbalbir.com/upload/ckfinder/files/rovonuval.pdfIn PDF document text
- http://morebricks.com/ckfinder/userfiles/files/wojonurutijusutexigeper.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8b9c54a92---jivusolotinufupu.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160984cf1a0eb2---40099438549.pdfIn PDF document text
- https://henklinders.nl/henklinders/upload/files/49950570257.pdfIn PDF document text
- https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160722433c4930---gunoxipojagitoka.pdfIn PDF document text
- http://strahovka66.ru/userfiles/file/bulesalokubiburolubi.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/re10dldpev9nnk2e4bh5dumg3u/53595405182.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081e3b480966---govigebe.pdfIn PDF document text
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/516def187df4c1175023ea7d0e9d893d/worasipetevida.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5f9ca85a67---xojokedosuj.pdfIn PDF document text
- http://newtarrytowndeli.com/uploads/files/67594656498.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607668fe2bc18---51128532682.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/d3daa7e0252d2cbc2f53d9424c137aa1/dawawutepe.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160982f61f3472---55245309116.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a65385a586d---gotanaxizaberisot.pdfIn PDF document text
- http://bixenony.com/userfiles/files/poxikovotusilutuwovosuja.pdfIn PDF document text
- http://gloria-eurex.com/61319513596.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_off0000cf7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF7E | 16904 bytes |
SHA-256: 33cdd4b1eaff0b4604331124c348ba171b669ed1db6301690da63586ad137c30 |
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font_01_sfnt_off0000fb12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB12 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011329.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11329 | 10808 bytes |
SHA-256: c749e65ffd0e29a06ab3c6da16e8e7183e7bdb3f14ab528435e548472e90f30b |
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