MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress sites and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document, likely intended to trick users into downloading further payloads or visiting malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://wintechindia.in/ckfinder/userfiles/files/7713042311.pdf In PDF document text
- http://kaupa.cz/userfiles/file/40628131911.pdfIn PDF document text
- http://irk-yoga.ru/upload/files/12254128161.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/db873ceb3c73babbec4f87224890d941/62834168010.pdfIn PDF document text
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/5107cdbe7c7f00e053966538191e1971/60355265343.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071c7ea3336a---gikowigikubija.pdfIn PDF document text
- http://artgrafika.cz/userfiles/file/judekulexijuvoxarerakitam.pdfIn PDF document text
- http://lbhs1965.com/clients/6/6b/6bdd8f708684a1f547efbf97e1630fe5/File/fidovege.pdfIn PDF document text
- https://ewt.cz/res/file/47483910222.pdfIn PDF document text
- http://www.tecs4.com/intranet/ckfinder/userfiles/files/vosapibojuwow.pdfIn PDF document text
- http://koreadramatour.com/FileData/ckfinder/files/20210821_209694A4BF850AA9.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/5dlh3rq7ep9p3pa43vqobb0c9m/79517049361.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/b918602920deb6b1be20025f2e358c9b/nitulakadixererob.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/3b2dae0b8115de5bb284c4a4ea413970/xorabojejeg.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ac79cd97aa8---35175675706.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb108e5be0---ganiforefulabone.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1610bb7de0482a---sinakokaxuta.pdfIn PDF document text
- http://tksvolga.ru/userfiles/file/6369801674.pdfIn PDF document text
- http://studioghittigargnano.com/userfiles/files/waxitalowasolokedipov.pdfIn PDF document text
- http://www.doctor-carpet.com/wp-content/plugins/super-forms/uploads/php/files/vbi7fqnka0danmjkjh8tefdnt2/85590137399.pdfIn PDF document text
- https://nazragame.com/calisma2/files/uploads/95379996321.pdfIn PDF document text
- http://bluefield1966.com/clients/26642/File/85853670096.pdfIn PDF document text
- http://asremajazi.com/uploads/files/61212894174.pdfIn PDF document text
- https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/83015600726.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160759cabe30cb---tukepeweru.pdfIn PDF document text
- https://coluer.ir/documents/file/8582505340.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=bosch+tassimo+my+way+manualPDF 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_off0000d89c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD89C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f0ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0AE | 18156 bytes |
SHA-256: c5ebef89d50b695931f25d062df5aa9bc211fc3d17245d5ab4d200e17e95a585 |
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font_02_sfnt_off00011fcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FCF | 10616 bytes |
SHA-256: ed2fcfe5b96546c96cf44e8dc0d8852459663507651ed66358d77d7553e3e3a2 |
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