MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to compromised WordPress upload storage, suggesting an attempt to distribute malicious files. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of a download button lure further supports the phishing and payload delivery attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/0fk1k78n794sbhgts8skbc6r8v/sufaxidixokezimedasu.pdf In PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/dee5b2f04b2e9a0b91e3996ef0d21efd/86831331684.pdfIn PDF document text
- https://kidneystonetreatment.in/userfiles/files/55952012712.pdfIn PDF document text
- https://jxloanchien.com/style/postimage/file/30178399099.pdfIn PDF document text
- http://pileshoppen.dk/userfiles/file/zasejibudezekeliwo.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/a1a2bf125562b1b49d0aa9b8e15a2865/35710976034.pdfIn PDF document text
- http://korean-school.hu/hangul/userfiles/file/mekoxusejugutuvego.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/nuj4pdaelehten5mjojqf8qhkf/negelivopaxolapenubexuse.pdfIn PDF document text
- https://argentinaproduct.com/ckfinder/userfiles/files/duduzamezukowosopilabo.pdfIn PDF document text
- http://bassbasement.org/userfiles/file/69813881447.pdfIn PDF document text
- http://rutherford58.com/clients/5/5b/5b2824e44de76337c32dfcbc3ee6dba3/File/9659573448.pdfIn PDF document text
- http://rymwid-training.com/userfiles/file/45611551484.pdfIn PDF document text
- https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/02d3d069a98b9e344d2ed42b6550efe3/19144876325.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/9v31mh869rt4lpg9d67ogoqj1l/67259765446.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/anjhd775he5nr89cv50vfk98j5/lorojakutebujaxukuvotif.pdfIn PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16097be235d0ed---falusonurosowamiwozuw.pdfIn PDF document text
- https://anmoul.com/userfiles/file/zurijoloruta.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3b09dde62---mufelirijonurit.pdfIn PDF document text
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/c25a815221140f15d9068128a50278ea/jivofid.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210503071747315.pdfIn PDF document text
- https://www.latentoac.com/portal/wp-content/plugins/super-forms/uploads/php/files/k352fn3hi44be90tphun952ce6/zigulofumagevuralevamo.pdfIn PDF document text
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/37rhiplgj4h2421ti5vb9qovos/40873217680.pdfIn PDF document text
- http://adice-area.com/pictures/files/megag.pdfIn PDF document text
- http://www.iece.in/userfiles/file/55369006030.pdfIn PDF document text
- http://mikailang.net/userfiles/file/20210518103517_290257755.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=migos+ft+young+thug+cocoon+mp3+downloadPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c4bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4BF | 16568 bytes |
SHA-256: 64edfe581301c1acbc5db5d1cdf7bba26bfd0c7f6976eefdf8d7097e0f544c0b |
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font_01_sfnt_off0000efc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFC1 | 11300 bytes |
SHA-256: 0ec9c2d8f623afcc4e7360425a31666723218d10003745cef45b5207be10ce64 |
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font_02_sfnt_off00010a03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A03 | 17112 bytes |
SHA-256: 885b9024a80bd539ee88f4c17c1e1fa3cc6dab475ff5b740ebf17c73a317c9ed |
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font_03_sfnt_off000122e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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