MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery. The presence of multiple external URIs and a link farm heuristic points towards an attempt to direct users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://broadcasthub.com/ci/userfiles/files/15024101676.pdf In PDF document text
- http://webinaris.eu/ckfinder/userfiles/publics/files/gejujonigiwizod.pdfIn PDF document text
- https://www.natursany.com/ckfinder/userfiles/files/30022892808.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613857f636f01---10235754047.pdfIn PDF document text
- http://osoboebludo.com/ckfinder/userfiles/files/gedemuvapakoxerupinemezif.pdfIn PDF document text
- http://jualumnitoronto.com/editor/uploadfiles/50992467180.pdfIn PDF document text
- http://gatewayhotelbangkok.com/upfile_hotel/files/dikafukewuj.pdfIn PDF document text
- https://hinodanang.com/uploads/image/files/83900176288.pdfIn PDF document text
- http://lawfirm.vn/MINH/user_files/file/61917480030.pdfIn PDF document text
- https://mystruggle.uk/indigo/ckfinder/userfiles/files/bodofebodedonaz.pdfIn PDF document text
- http://seasonsblinds.com/uploads/ckfinder/userfiles/files/kagenetovuju.pdfIn PDF document text
- http://banglenhospital.com/UserFiles/File/situsazubawawewu.pdfIn PDF document text
- http://robwalker.net/fckupload/file/60646323977.pdfIn PDF document text
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613ccf0a5ab0b---1512864448.pdfIn PDF document text
- http://vallovin.it/userfiles/files/74731201348.pdfIn PDF document text
- https://noticky.net/akce/fotky/file/27288332267.pdfIn PDF document text
- http://cncforginghammer.com/d/files/87871563126.pdfIn PDF document text
- http://gerd-pollak.de/userfiles/file/69702069019.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3005370ed---bodagazikeluv.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/cddd7f7ed50a63c37c40ad11e41e7208/50141947098.pdfIn PDF document text
- http://ilyxrace.com/userfiles/files/99612903318.pdfIn PDF document text
- https://quatcongnghieput.com/uploads/files/tuxibikupikuguwip.pdfIn PDF document text
- http://kimbuunguyen.com/uploads/userfiles/file/4922701488.pdfIn PDF document text
- http://3colorjazz.com/fckeditor/userfiles/image/febopob.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=loteria+app+androidPDF 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_off0000e799.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE799 | 10128 bytes |
SHA-256: bf2049090bf27523d3c1251f0c3119331ead141e5e980f33c7e96ddea78dffb5 |
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font_01_sfnt_off0000fe46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE46 | 18288 bytes |
SHA-256: c92de5e49aaaa3ca119d1d06d2e31c1e88bfe467e91180420dcc5e7043281868 |
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font_02_sfnt_off00012da8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DA8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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