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 it is likely a phishing or trojan delivery mechanism. It functions as a link farm, with numerous URLs pointing to compromised WordPress sites hosting further PDF files, suggesting a multi-stage attack. The presence of external URIs and link farms on disposable or compromised hosting reinforces the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/5d18a0656c3ad9a6c0f9cdc9f6905200/66246847322.pdf In PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d39286ec6---xenepezeromixo.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085eeabcce8b---bilireladenetid.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160916f5506758---dasofi.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160874c7cb17ea---xabomigin.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607681547e88a---6125928468.pdfIn PDF document text
- http://retco.ge/ckfinder/userfiles/files/rodiraxilojuj.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16084f17f98c7d---renuvometuxiwofezoju.pdfIn PDF document text
- http://atthaya.com/file_media/file_image/file/8480426246.pdfIn PDF document text
- http://yfatc.com/userfiles/file/notexobodabipugomokizok.pdfIn PDF document text
- http://mai-colle.jp/userfiles/file/63922057110.pdfIn PDF document text
- http://nano-vip.com/ckfinder/userfiles/files/gorebufomoxopuk.pdfIn PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/23303426344.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d125c81df8---39011813838.pdfIn PDF document text
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/6aa476a183cae3a9d8d0c1f5df321111/6928158242.pdfIn PDF document text
- http://usateatop.com/_upload/files/53555476089.pdfIn PDF document text
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16074aebf3319e---97725493071.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3e9a55c7d---51460446162.pdfIn PDF document text
- http://fitviewer.biz/files/file/59146294100.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16087c6a2367aa---zenibitirerefibimudela.pdfIn PDF document text
- https://vietnaminsight.biz/ckfinder/userfiles/files/bapibafal.pdfIn PDF document text
- https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/j72f2qh1u85atmt71mhi1tiio9/82488563640.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6030fcc077---rikibefizasibubajof.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=female+libido+meaningPDF 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_off0000ff88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF88 | 10340 bytes |
SHA-256: b8e19ee5d7a452537bf6a852af59329a1648f7e336d634d9fbcd121c8dc55389 |
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font_01_sfnt_off0001167b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1167B | 17024 bytes |
SHA-256: 13922ed1b110022c17853c23ae389748296831172f8847dd3d1d5ec0cc5e4c77 |
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font_02_sfnt_off00014262.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14262 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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