MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and is flagged as a link farm, with many pointing to PDF files hosted on various domains. The presence of embedded JavaScript and a high ML classifier score, along with ClamAV detection as 'Pdf.Phishing.Trojan', strongly suggests malicious intent. The embedded JavaScript likely facilitates the redirection or further malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://chcial.ru/uplcv?utm_term=pedometer+app+apk PDF link annotation
- http://ort168.com/upload/ckeditor/files/nelufaxatezig.pdfIn PDF document text
- http://khaskhaan.mn/uploads/userfiles/files/vujavisizujakunute.pdfIn PDF document text
- http://lamgi.pl/ckfinder/userfiles/files/dokuxasekuk.pdfIn PDF document text
- http://cuacuonanbinh.com/userfiles/file/45152867879.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140edfb17b41---22682646718.pdfIn PDF document text
- http://neza.cz/UserFiles/File/misurado.pdfIn PDF document text
- http://www.huntsvillepr.com/files/files/rumoxezexobowiposezema.pdfIn PDF document text
- https://himalayanespresso.com/espresso_ckfinder/userfiles/files/fisapatujikubepagaxin.pdfIn PDF document text
- https://viboot.com/ckfinder/userfiles/files/vezosuxemakeju.pdfIn PDF document text
- http://kraemer-duennebacke.de/files/file/8193769490.pdfIn PDF document text
- http://free-note.kr/files/fckeditor/file/1846491785614231b8d64cf.pdfIn PDF document text
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/747d551fa1e7a6b9fa4aa58f170b0e99/pijese.pdfIn PDF document text
- http://abnig.friendship-match.com/upload/files/27024446843.pdfIn PDF document text
- https://silatur.com/js/ckfinder/userfiles/files/5965650876.pdfIn PDF document text
- http://cuanhuaabshanquoc.vn/files/jamaropodukurujomawezomut.pdfIn PDF document text
- https://drosamahetta.com/userfiles/file/vuvefewaxa.pdfIn PDF document text
- http://vigova.vn/Images_upload/files/69890503247.pdfIn PDF document text
- http://qhchemicalsfeed.com/upload/files/71046621915.pdfIn PDF document text
- http://templeton.sk/userfiles/file/dejurol.pdfIn PDF document text
- http://poetische-malerei.de/web/editor/files/59821662125.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5014eda3d---tojogetadipopexef.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_off0000bdfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDFD | 15548 bytes |
SHA-256: 897fc5bf9d2364c1ea0cd5ba72c4d529cf4640137209edefc49e8301d30a10b3 |
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font_01_sfnt_off0000e56d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE56D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fd84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD84 | 10236 bytes |
SHA-256: 912a3d7cdb1f20e26d1e4b3267a0169eba0e613f5825ea78482f9f101b1b50b9 |
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