MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to websites hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://easy-sleep24.de/shop/images/editorfiles/file/fuzifivawuzav.pdf In PDF document text
- http://kiddeefire.com/media/userfiles/files/48363993987.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/31b282fa126667dca390ca2579d664e9/27103702432.pdfIn PDF document text
- http://gps-ambroisie.com/ressource/site-image/files/98159797933.pdfIn PDF document text
- http://elandtour.com/FileData/ckfinder/files/20210905_A01A58EFDCC32F5F.pdfIn PDF document text
- http://firewheels.pe/userfiles/file/parama.pdfIn PDF document text
- http://azstorestudio.com/uploads/files/wigab.pdfIn PDF document text
- http://wgadget.com/file_media/file_image/file/xadizosoderimavir.pdfIn PDF document text
- http://theurbanbazzaar.com/userfiles/file/bolunelowugolegelasebutap.pdfIn PDF document text
- http://duancanhotot.com/upload/files/wudodetugorazabudijesi.pdfIn PDF document text
- https://malashealthcare.com/userfiles/files/48426559862.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161368c4b79630---remikodotitixedawesi.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/8de0e44b06ede8f6250e301a73a54508/bekaj.pdfIn PDF document text
- http://www.donboscovizag.org/images/files/valajisarasadufav.pdfIn PDF document text
- http://live-lessons.net/lcj/web/uploads/assets/file/gekuwonadudebolipaveba.pdfIn PDF document text
- http://gabortech.com/admin/file/40484515948.pdfIn PDF document text
- http://iswii.net/ckfinder/userfiles/files/89467932163.pdfIn PDF document text
- https://rotitelor.com/contents/files/55633013569.pdfIn PDF document text
- http://sonarkella.com/userfiles/file/81881577330.pdfIn PDF document text
- https://snf.styleguides.ch/userfiles/files/mepojotug.pdfIn PDF document text
- http://vom-ragnaroek.de/uploads/file/vusixifamu.pdfIn PDF document text
- http://prime-standard.com/piceditor/file/kezobami.pdfIn PDF document text
- http://peter-scherer.de/userfiles/file/38714636136.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=nfa+to+dfa+conversion+examples+pdfPDF 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_off0000d197.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD197 | 19128 bytes |
SHA-256: 53c8c8e16e158d8098b1ece28c1dedc0aed130391d4d4a9d626cb6008107db30 |
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font_01_sfnt_off00010361.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10361 | 10924 bytes |
SHA-256: ddcc3a22731b228abc37f65b5e34210c9c1a8ccc2fd21703566290d9ff27c1b0 |
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font_02_sfnt_off00011cbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CBB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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