MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to redirect users to malicious websites or download further payloads. Multiple heuristics indicate the PDF acts as a link farm, pointing to various external URLs, some hosted on compromised WordPress sites. ClamAV and ML classifiers also flagged this PDF as malicious, specifically identifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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 http://fcv-bo.org/data/fcv-bo/userfiles/file/lusosusaniwabizajamajuse.pdf In PDF document text
- http://bn-biz.com/userData/board/file/91088201846.pdfIn PDF document text
- https://dascalita.ro/app/webroot/files/userfiles/files/1271956203.pdfIn PDF document text
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c62dd90b6c---41910197386.pdfIn PDF document text
- http://toyotacri.com/userfiles/files/zodagixaf.pdfIn PDF document text
- http://gibisch.biz/files/files/47707228363.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1616b7bbb08d77---sabukumaxo.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16164890568d69---sekusamedebemafarele.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16150a574794f0---95337229527.pdfIn PDF document text
- https://dortmundpools.com/contents/files/buxunuliwagelojomes.pdfIn PDF document text
- https://endeligmandag.no/e-brev/data/div/wixudaresepa.pdfIn PDF document text
- https://gujaratisamajparis.org/upload/files/54525843807.pdfIn PDF document text
- https://fortworthdental.net/cmsCart/upload/file/suwuneneli.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/3564bb60628067db9191292338b95e4e/fopirikavugupapo.pdfIn PDF document text
- http://www.moyekolodin.com/files/lamutuvejexuberomanut.pdfIn PDF document text
- http://webbolt.fono.hu/data/editorfile/5232097258.pdfIn PDF document text
- https://naucharts.com/ckfinder/userfiles/files/76453781910.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1616444be6581c---8587525823.pdfIn PDF document text
- http://dinhviht.com/images/newtech/files/runatewodinurimip.pdfIn PDF document text
- http://brickchamber.com/ckfinder/userfiles/files/71760788525.pdfIn PDF document text
- https://tedesco.pl/userfiles/file/zorikibididileb.pdfIn PDF document text
- https://vayamcs.com/content_files/files/16682263647.pdfIn PDF document text
- http://dintainoodle.com/uploads/files/wavebobimebijuleb.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615a766098042---90809241433.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1616b51960fc63---pofof.pdfIn PDF document text
- http://epoch-making.jp/js/upload/files/wojomelidexa.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/896FEnmJZlk/uplcv?utm_term=how+long+until+charge+off+removedPDF 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_off0000de25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE25 | 17956 bytes |
SHA-256: 6ace765cadf3ee2f9e20a2e9206d38211ccec1cd12e607579589c9a1a3db338f |
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font_01_sfnt_off00010c63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C63 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001247a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1247A | 11000 bytes |
SHA-256: d9e312c59bdc1196af387a0e51bc6840ee8b21989bce357862f552b48c7c359f |
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