MALICIOUS
164
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 for Pdf.Phishing.Trojan. The presence of numerous links to external PDF files, some hosted on compromised CMS upload storage and others on disposable hosting, suggests a link farm designed to redirect users to malicious content. The 'SE_DOWNLOAD_BUTTON' heuristic further indicates a lure to encourage user interaction for downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://jordanadams.com/ckfinder/userfiles/files/98997842241.pdf In PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/khphvnugj6kdnqjq1akiokjkeu/zonubewerifezutu.pdfIn PDF document text
- http://canavesiobruno-architetti.it/userfiles/files/vubafoguraza.pdfIn PDF document text
- https://www.mmgrowersg.com/ckfinder/userfiles/files/wofudaja.pdfIn PDF document text
- http://fitsiluet.cz/data/file/mulawegoriwatakevupav.pdfIn PDF document text
- http://precedent.by/_newsite/images_from_html_editor/file/wupefepupomaja.pdfIn PDF document text
- https://mrdak.cc/uploadfile/files/tazinagujufusokabe.pdfIn PDF document text
- http://bagiez.de/userfiles/file/26992848887.pdfIn PDF document text
- https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/3c10987a28df523b05b76d54bba71bd1/47830964412.pdfIn PDF document text
- http://savoie-outils-coupants.com/ckfinder/userfiles/files/jusojewilefolufipa.pdfIn PDF document text
- https://www.gico.ge/ckfinder/userfiles/files/tugixad.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609276864c497---sorimexagalesolidexe.pdfIn PDF document text
- https://masini-de-ambalat.ro/images/userfiles/21303551766.pdfIn PDF document text
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/eb2a1fca900373901249160cc3df52f2/wovetexefejanezezadaxip.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/a4cc2fdd064403f2e693bd7496afc719/pesexapadirebumasabodufa.pdfIn PDF document text
- http://mgtofubbq.com/uploads/files/rikukumelusojotakob.pdfIn PDF document text
- http://www.urbanwaterways.info/files/rejuxutibonudivufurejave.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160996b5f7fbf2---nisiginodasemexosakol.pdfIn PDF document text
- http://fijiembajak.com/uploads/ck_uploads/files/sujojetunav.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160738a3533416---56674890412.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/62f9854a35f3ca1c6f0a2b6926da69de/33851935762.pdfIn PDF document text
- https://aluminiosarla.com/userfiles_arla/files/23738546284.pdfIn PDF document text
- http://bsbcarpet.com/userfiles/file/99590188681.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=stick+em+up+2+full+apkPDF 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_off0000fc2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC2C | 21960 bytes |
SHA-256: 5509bee3d85b54f205c76a2b48b4f375fe8656a094d32bc19f21e2ba9b87c85a |
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font_01_sfnt_off000131b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131B3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000149ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149CA | 10536 bytes |
SHA-256: 2f668b0fa5aa6c41a31f9f13d9f3fe7a44c5f529781b8790c20cd58805cd8905 |
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