MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to potentially compromised or disposable hosting. These links are likely designed to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://wsystem.sk/userfiles/files/gulelunizasexulebutan.pdf In PDF document text
- http://cableesmaltado.com/d/files/xadipazebe.pdfIn PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/6cb4532549cf6098e68a29b59909bb5f/rokatobirowo.pdfIn PDF document text
- https://blugarden.eu/file/78119321486.pdfIn PDF document text
- http://urs-certification.com/gais/image/file/jukafipul.pdfIn PDF document text
- https://hotelmitrutarija.com/uploaded/files/16012599562.pdfIn PDF document text
- https://beldapromosyon.com/calisma2/files/uploads/suruxa.pdfIn PDF document text
- http://hometextiles-consultant.com/ckfinder/userfiles/files/27726591435.pdfIn PDF document text
- https://rotterdampools.com/contents/files/kowuxadafigore.pdfIn PDF document text
- http://kmjjt.com/uploadfiles/file/221956506649.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e4cc4bc4c3---12618902929.pdfIn PDF document text
- http://studiocastigli.eu/userfiles/files/79455161640.pdfIn PDF document text
- http://manhchenang.vn/webroot/img/files/49128667855.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bdae2b3460---32676168078.pdfIn PDF document text
- http://cka-shiba.com/ckfinder/userfiles/files/44891155570.pdfIn PDF document text
- http://heydarbaba.org/resimler/files/87874253177.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613a2058beeb7---44961439479.pdfIn PDF document text
- http://cn-junsheng.com/upload/file///202192365411847.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614cdb752f239---gumawu.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fbede87cc2---27000931606.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=turn+your+android+phone+into+a+sms+gatewayPDF 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_off0000aaa9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAAA9 | 11056 bytes |
SHA-256: 9fafe63f16a44df38de9217b9abc7a2aef4abcbe013125f7d0aa4c6dbb36e363 |
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font_01_sfnt_off0000c419.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC419 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000dc2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC2B | 14424 bytes |
SHA-256: 3b1530603581890bb8dc74448190315ca25845c83b79ce2a99b8de035939e843 |
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