MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, specifically flagged as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, indicates it was generated by wkhtmltopdf, a tool often used to create PDF documents from web content, further supporting the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://hart-metale.pl/gimnazjum/userfiles/file/tilesu.pdf In PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160c593b4d045e---46478248569.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/fidle72nuhakmoa4807i7vp3a1/80342259064.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607643c344600---dozesadozevub.pdfIn PDF document text
- http://korvet-sp.ru/userfiles/file/89270407442.pdfIn PDF document text
- http://lideparts.com/userfiles/file/1627650311.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071734c646b6---motez.pdfIn PDF document text
- http://xn--2-140-swe8h.xn--p1ai/files/59192174619.pdfIn PDF document text
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/fcd7b334ae16d21314afe467a2389791/63986287244.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/cdtjao0gm0j89b7v25dtmvct57/95081576451.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/1fi5hhvkvh3c5cs9gl2ts5iq16/18398997079.pdfIn PDF document text
- http://findplusltd.com/file/60663744409.pdfIn PDF document text
- https://familienarbeit3plus.ch/userfiles/files/94711140494.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/969934d30b54c896dd649279542a6d86/zudizowime.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160be45699eae6---nofugoletabudewoxibab.pdfIn PDF document text
- http://alpanelektrik.com/depo/sayfaresim/file/vefoteragonuvi.pdfIn PDF document text
- http://molenat-energies.fr/molenat.com/images/editor/file/tezitofobik.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1527782203---53682033864.pdfIn PDF document text
- https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/b6eff397350694a702f3e5a400f6a2f6/tebanul.pdfIn PDF document text
- http://shippingengineering.com/files/ckeditorothers/fumotebalex.pdfIn PDF document text
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/79dd813d6fa2a404f547d0dee65e78e0/56137195146.pdfIn PDF document text
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/v7k3ju578as6psig3os20gke24/runumorepunilekopekufu.pdfIn PDF document text
- http://andlupa.com/userfiles/file/39088386967.pdfIn PDF document text
- http://creative-format.com/upload/editor/files/lamewikizenudibemiva.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=unincorporated+joint+venture+agreement+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_off0000e36c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE36C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB7E | 16604 bytes |
SHA-256: 3dd1056b3e4d82d86a2f78acc279ee4337562c11e2deb335d7128401d4bab49d |
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font_02_sfnt_off00012679.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12679 | 11052 bytes |
SHA-256: ce3a8f6617537a3bd715d1ed775e43511054b20d6dcf69ceee21eda60850c3a4 |
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