MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or are part of a link farm designed to obscure the final destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://catamma.ru/uplcv?utm_term=cooking+chickpeas+for+hummus PDF link annotation
- https://aznamaste.com/ckfinder/userfiles/files/wawiworideralojujigibuf.pdfIn PDF document text
- https://e-uchebnici.com/img/file/vewabitijadowanaveze.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a1885129f8---45919371777.pdfIn PDF document text
- http://rowerowaszkola.pl/imgturysta/files/33097912234.pdfIn PDF document text
- https://bucatariizidite.ro/printuri-fi/files/18399594928.pdfIn PDF document text
- http://elcampoeco.org/FCKeditor/file/vawifudupore.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/161464de36771d---27473363030.pdfIn PDF document text
- https://tworaise.com/userfiles/file/36664635744.pdfIn PDF document text
- https://wangwangcamp.com/uploads/files/202109070259252516.pdfIn PDF document text
- http://tinhdauvietnam.vn/upload/files/48364484518.pdfIn PDF document text
- https://balticseaheritage.com/res/wysiwyg/file/bakaf.pdfIn PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161510c2ecaf48---sunikojulazo.pdfIn PDF document text
- http://ergakiland.ru/files/files/sopirozununupuvo.pdfIn PDF document text
- http://keralabiblesociety.com/fck_uploads/file/92178534416.pdfIn PDF document text
- http://wamer.org/userfiles/file/66674274474.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16143a6bf41550---fakusefivemotuzale.pdfIn PDF document text
- http://av-jet.ru/userfiles/file/kufukufobidugusobokejezem.pdfIn PDF document text
- http://tbeaindia.com/userfiles/file/82935656344.pdfIn PDF document text
- http://lightningriskassessment.com/ci/userfiles/files/mewofeke.pdfIn PDF document text
- https://noddy.nu/images/file/64024908144.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/f2ab60255ecf60f79e86a59297c42652/zugukivavetidifima.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_off0000b0d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c8ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8EA | 11008 bytes |
SHA-256: fd780479499d6e96450b0ed9d5f3484682dcb336b3a4956e42540c30bea0bc5e |
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font_02_sfnt_off0000e255.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE255 | 16436 bytes |
SHA-256: 94ccc7c8be5b6c326b1be3fc7aeb1210e8097e1e7d9fa60cc90bf61d358e2176 |
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