MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly suggest malicious intent, classifying it as a phishing trojan. Although no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with malicious document delivery mechanisms.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
Heuristics 6
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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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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 http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/12ad0115421ea6be19eb06c29450816d/lesuguzos.pdf In PDF document text
- http://banghetretunhien.com/media/ftp/file/50139980375.pdfIn PDF document text
- https://jdlpartnerss.com/userfiles/file/rufadupunosebenewor.pdfIn PDF document text
- http://agnieszkapawlik.com/userfiles/file/fuzasakoloserala.pdfIn PDF document text
- http://szentimresiklos.hu/upload/file/fusogemagefipinewe.pdfIn PDF document text
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/9lpsi0ejjbgjflsmqp9ne98ma0/75152887038.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dea1134e93---14043892306.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/1351625823.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16077d6a3c136e---4648116232.pdfIn PDF document text
- http://amctop.com/board_data/editor_img/file/202107020632.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/2448f3d7674cfda33882fe3e485eed9b/nozunelexamevatorimigami.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/25ef4c7d55ea07d48760b6af51bbb870/95191005600.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/62162757224.pdfIn PDF document text
- http://ural-resyrs.ru/data/file/59561073815.pdfIn PDF document text
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/fnj1n5jgfe8kp43hbi8k3ig750/sezisaguxifuw.pdfIn PDF document text
- http://saintthomasmonrovia.org/clients/a/a7/a774d5b45fc75aba9c6fcf07501e1e58/File/12861640253.pdfIn PDF document text
- http://apsara.ru/userfiles/file/87655655443.pdfIn PDF document text
- https://inncredel.com/uploads/gimamuzegiz.pdfIn PDF document text
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/52df6bd3979807cb87be605354af836a/44513139013.pdfIn PDF document text
- https://cmflower-kkc.com/ckfinder/userfiles/files/vilapijevanozavasugikopeb.pdfIn PDF document text
- http://langfordfinancialservices.com/userfiles/files/xonofisasutoxixisovosew.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/2l09orlu4feopn4c11c5q5mofi/6104938348.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aac20a303a5---72182473413.pdfIn PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/16079eeabaf701---88466550385.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=arborist+certification+study+guidePDF 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_off0000d5e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5E8 | 17592 bytes |
SHA-256: 5ac2303b3759141b696d71118cd2af41cf8baffa4e014825c6391dc1612083b8 |
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font_01_sfnt_off000103e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103E7 | 10940 bytes |
SHA-256: 815fefe445d882c67e87fa90280e35275dee6849e613338f1c611f494810b158 |
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font_02_sfnt_off00011d44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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