MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document exhibits characteristics of a phishing lure, employing an image-only interface designed to trick users into clicking a link. The embedded JavaScript and numerous external URIs pointing to compromised CMS uploads and disposable hosting indicate a malicious intent to redirect users to potentially harmful content. The ML classifier and ClamAV detection further support the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
Heuristics 8
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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://archism.ru/uplcv?utm_term=best+photo+editor+android+free PDF link annotation
- http://langeline.com/ckeditor/upload/files/sepaxuzut.pdfIn PDF document text
- http://www.cda.org.hk/ckfinder/userfiles/files/zesafuxigekojagujaf.pdfIn PDF document text
- http://morard-mcf.fr/data/Files/levirowepemitajigelam.pdfIn PDF document text
- http://sk-massimo.com/js/upload/files/24892425907.pdfIn PDF document text
- https://gilbertems.com/videos/file/32391925193.pdfIn PDF document text
- https://twr1115.net/files/fckeditor/file/jogurome.pdfIn PDF document text
- http://globalbando.com/DATA/upload/files/202109161343217391.pdfIn PDF document text
- https://webbsoil.com/home/webb/public_html/ckfinder/userfiles/files/bupewexosiduwejajir.pdfIn PDF document text
- https://a-pointpro.com/cms/ckfinder/userfiles/files/toxenedavixowuker.pdfIn PDF document text
- https://schmitz.cz/res/file/tuwivuxopogigameresa.pdfIn PDF document text
- https://at1apigroup3.com/contents/files/zutomuzuzigobelofovi.pdfIn PDF document text
- http://jacsonsfurniture.com/userfiles/file/nutezilit.pdfIn PDF document text
- https://j26clean.com/upload/files/mewagilaruxobi.pdfIn PDF document text
- http://qamsar.org/userfiles/files/59548270199.pdfIn PDF document text
- http://boracayg.com/FileData/ckfinder/files/20210921_C1A6B33864A72ABF.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145cbdca8968---79842866100.pdfIn PDF document text
- http://sjatupornservices.com/file_media/file_image/file/14110304036.pdfIn PDF document text
- http://meyergarden.com/ckfinder/userfiles/files/viwejotojomadaw.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c253fd0641---10599819940.pdfIn PDF document text
- http://myphamlulanjina.com/upload/files/61203117823.pdfIn PDF document text
- http://p-energo.ru/content/file/mubegox.pdfIn PDF document text
- http://assushop.com/userfiles/assushop.com/file/davebuwawawakafirarizubej.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/pfg0642r8vscogvqufji1kkdu1/79864785704.pdfIn PDF document text
- http://tea-ra.com/user_data/upload/save_image/files/jofonodolukevo.pdfIn PDF document text
- http://www.wcd.com.tw/ezadmin/ckfinder/userfiles/files/46716719896.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613adfd94642a---1095160054.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_off0000b238.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB238 | 10600 bytes |
SHA-256: c1b616b8533c9301976df13c1b2e193d76b7b4dd4b03da4f4ae1e20888163164 |
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font_01_sfnt_off0000ca66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA66 | 13952 bytes |
SHA-256: bd0623b6e7b41b2f6373f8f959cc557932383803a100b12a350f42628ccd7d00 |
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font_02_sfnt_off0000ece3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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