MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan. It contains numerous external URIs and a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution lure. Embedded JavaScript streams are also present, which could be used to further exploit the user or download additional payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://crewmak.ru/uplcv?utm_term=aos+tv+apk+file+download PDF link annotation
- https://stka.gr/ckfinder/userfiles/files/11465919859.pdfIn PDF document text
- http://www.clc-engineering.com/siteuploads/editorimg/file/86433429458.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161443dd4472c1---vulomeseji.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/161303eacb3385---wunopesufex.pdfIn PDF document text
- http://kapfenberger-schuetzenverein.at/userfiles/file/netesukox.pdfIn PDF document text
- http://jplus-ag.com/upload/files/BodyFile__6138302FE194E.pdfIn PDF document text
- http://cheliabinsk.realxenon.ru/uploads/files/90648475547.pdfIn PDF document text
- https://moraure.net/js/ckfinder/userfiles/files/45833610784.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/0fglvsd7pgdororr2dmjslpd3s/11515741603.pdfIn PDF document text
- http://recuva.kr/upload/fck_img/1631319148/file/tilesototikabejivugejama.pdfIn PDF document text
- http://smeeing.com/userfiles/files/14072252777.pdfIn PDF document text
- https://lacausedeslivres.com/userfiles/file/25851911499.pdfIn PDF document text
- http://motorlustor.net/userfiles/file/67014610033.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/0ea67b4a5cf9a8e619bf0f097124de74/57002959919.pdfIn PDF document text
- http://ekbdrive.ru/ckfinder/userfiles/files/senuneboxosizorefina.pdfIn PDF document text
- https://eguiders.com/uploads/87948205022.pdfIn PDF document text
- http://neoneophytou.com/ckfinder/userfiles/files/96241060379.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/1c469a2cc448e1b045506177909b7bb2/3128765079.pdfIn PDF document text
- https://susta.vn/userfiles/file/70539523274.pdfIn PDF document text
- https://kimtuong.vn/isc/public/files/fckupload/file/67744967797.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16135f56801b78---58244645482.pdfIn PDF document text
- https://www.theknowledgeonline.com/files/lib/ckfinder/userfiles/files/12668837530.pdfIn PDF document text
- http://immobilieninvestors.org/userfiles/file/86741487706.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_off0000b2e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2E3 | 10616 bytes |
SHA-256: b46d22969aba63b6660ba6d9fa156df565a214aa20945cab1f17927916328202 |
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font_01_sfnt_off0000cb69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB69 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e37b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE37B | 15328 bytes |
SHA-256: 365fdb065e37807a4f2ee9d046c94ae3ab63b7762ef6efe8e94b462c12096503 |
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