MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to various websites, many of which appear to be compromised CMS upload directories, suggesting a link farm designed to obscure the ultimate destination. The presence of these links and the overall structure strongly suggest a phishing or redirection attack, likely intended to deliver a secondary payload or lead the user to a fraudulent site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9896
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 https://www.theknowledgeonline.com/files/lib/ckfinder/userfiles/files/vujuzusatebajudovid.pdf In PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/8118d58d2f0d04f41aa2a9e48b27b945/12093357895.pdfIn PDF document text
- http://dermaktif.com/imgup/file/43737108023.pdfIn PDF document text
- http://ever-pioneer.com/upload/files/80075575871.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160bc50646931a---popukudizelil.pdfIn PDF document text
- http://xn--kprq5pvqklteonubj6c.tw/CKEdit/upload/files/pobuleromel.pdfIn PDF document text
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/6tsf84ohf2u67fqhm2hkbrm2a6/zogudotobijufox.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/f4fb1cca40ae3820cd3bf0713f8eb93b/zuselovadin.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/02ca6480e8df59c10c796fe8ac16ade1/29689355194.pdfIn PDF document text
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/4f4ce068c8065e50f17484223812fbc1/44389859974.pdfIn PDF document text
- https://stallion-international.com/userfiles/file/50434935743.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160e1cb556561c---18405065169.pdfIn PDF document text
- http://shinex-auto.com/userfiles/file/mivowulinugifopoxapovipep.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c907cb750d8---butemewopijufaxar.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/v23elgbqrutm7p7c9n2dcolks0/revoj.pdfIn PDF document text
- https://chameleoncoupons.com/adgprocessing/uploads/files/sovenu.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/abagrhidugg6mol2vbn1g0dt74/12020691553.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/135fb8c9d6a1e2be56778e9b22ecd0c8/574429928.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/f6d4dab89531f30fa1007921cf9deb4f/lunimezofen.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b83bb00f061---befisodigik.pdfIn PDF document text
- http://iqlacpro.vn/emotive/upload/files/wemogujigapepafide.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a718467e5b9---25109599809.pdfIn PDF document text
- https://szaniterplaza.hu/ckfinder/userfiles/files/sosikutuvixikip.pdfIn PDF document text
- https://alatheir.com/atheirwsfiles/file/baxevazobubo.pdfIn PDF document text
- http://xn--80aikni6a0b.xn--p1ai/images/file/sazakira.pdfIn PDF document text
- https://anmoul.com/userfiles/file/navarawalafapaxudovobude.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=one+punch+man+sPDF 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_off0001151f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1151F | 10308 bytes |
SHA-256: cbb6a4b714731e70c1be93ed4feca5a7ffc2ef78ad10446ce22b4a478d249a06 |
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font_01_sfnt_off00012c33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C33 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014445.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14445 | 17076 bytes |
SHA-256: 0d7d619979633d786527185bf5a880af35f988bc8f91473bcc6912b4b1761267 |
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