MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The heuristics indicate the document functions as a link farm, directing users to compromised websites or potentially malicious content, which is a common tactic for phishing or malware distribution. No scripts were extracted, but the PDF structure and embedded URLs suggest an attempt to redirect users to external malicious resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://euskararenginkana.eus/files/galeria/files/72297602541.pdf In PDF document text
- https://kemxoi.vn/app/webroot/files/images/pages/files/56218410716.pdfIn PDF document text
- http://portamarioarchitetto.eu/userfiles/files/dipegut.pdfIn PDF document text
- https://lyna-garage.com/htdocs/cljr/data/files/47118575134.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130521fad3fd---guradiderefuvipiriravaz.pdfIn PDF document text
- https://www.wemservice.com/ckfinder/userfiles/files/61022535157.pdfIn PDF document text
- http://miryangpension.com/FileData/ckfinder/files/20210901_D334EA01681A07BF.pdfIn PDF document text
- http://krakowska98.com/zdjecia/fck/file/roxemuzo.pdfIn PDF document text
- http://icmasistemas.com/userfiles/files/67260041508.pdfIn PDF document text
- https://nls.vn/upload/files/vexuwamivumijumogefap.pdfIn PDF document text
- http://ylpqzl.com/ckfinder/userfiles/files/97009062354.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/gntmphphsf66mnb1tnisrlhhdg/zugezabiwufoniza.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/vq4udu40evs5th8efc31dfakpq/50436221400.pdfIn PDF document text
- https://msiutilities.net/documents/4450298775.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613080ffbe431---10427253116.pdfIn PDF document text
- https://titishop.co/upload/files/95033920671.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137984c450bc---retakikavukixoto.pdfIn PDF document text
- https://pcetravel.com/files/file/pafosikevolo.pdfIn PDF document text
- http://shopphutungmayphat.com/upload/img/files/jixodunegog.pdfIn PDF document text
- https://ocw.tw/uploads/files/65746174139.pdfIn PDF document text
- https://dejavuruse.com/userfiles/file/13634510446.pdfIn PDF document text
- http://mwflower.com/upimagesfile///31226942590.pdfIn PDF document text
- http://telegid.tv/userfiles/files/42680985399.pdfIn PDF document text
- https://ashasuchikala.com/ckfinder/userfiles/files/fukoragefewebadob.pdfIn PDF document text
- https://esterkins.de/ckfinder/userfiles/files/zawuwawiv.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=best+fighter+jet+game+for+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_off0000e7e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7E9 | 10936 bytes |
SHA-256: fc5a1885e9c3d1552046dd41093907304699f4099d071ccb972607949ee4e193 |
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font_01_sfnt_off000100da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100DA | 17036 bytes |
SHA-256: 728ff80f2072c4c8822f7546f2633bf7d027a1c3dc0c9b7276e482240c0ca8f5 |
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font_02_sfnt_off00012c9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C9C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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