MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document that impersonates a cloud document sharing service, a common lure for phishing attacks. It contains numerous links pointing to potentially compromised websites hosting further PDF files, suggesting a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 7
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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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Cloud document impersonation lure medium SE_CLOUD_DOC_LUREDocument impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
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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://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be872d6f6d4---88929536566.pdf In PDF document text
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/9ce59ed130ea4d38bc6627ced063916b/wivuborupipig.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/3f6b0170eef8e366856db184e0602c6b/zozopaxo.pdfIn PDF document text
- http://hrt-foto.hu/_user/file/46186339007.pdfIn PDF document text
- http://market-oborudovanie.ru/upload/file/16365355708.pdfIn PDF document text
- http://vce34.ru/attachments/file/xizubolojaxekulomejot.pdfIn PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa665d6028a---53721350579.pdfIn PDF document text
- https://denizlihorozu.com/resimler/files/pikuxesivemebojozibezu.pdfIn PDF document text
- http://doktor-okonski.pl/uploadimg/file/folike.pdfIn PDF document text
- https://www.mnogotrop.com/ckfinder/userfiles/files/zofixamagiranadamame.pdfIn PDF document text
- http://kashima.cc/userfiles/file/55933863192.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/161083102cd6f4---wubozevefaluvivata.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/36cc496efab12aefad254dd368c9ae07/ketefiderejulivuwujot.pdfIn PDF document text
- http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/7106645793.pdfIn PDF document text
- http://whs1963.com/clients/7/75/758a827d59fb1c2827eec60421ffdc22/File/71401575712.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/7c9872aafa7b3dcf3350b99906d68bb3/nekelata.pdfIn PDF document text
- http://klubbelgickychobrov.sk/editor_uploads/files/40072539858.pdfIn PDF document text
- http://constantcontinuity.com/membership/data/files/wanuxuxelifeduwazabuboji.pdfIn PDF document text
- https://cvzona.lt/resources/img/files/razosemopadakikomuxafu.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/9i485uec0mvqko5jgappgnd9h7/11243623297.pdfIn PDF document text
- http://elitakhealing.com/ckfinder/userfiles/files/17955519166.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/d8a1a543031285e69da3c09fdf35346c/rapejisonerutalefajup.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f0602f1c555---68680052025.pdfIn PDF document text
- https://fiscalonline.ro/app/webroot/files/userfiles/files/venoka.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/9qcp62mcpcmrtp15bo0aoj27s4/46637095373.pdfIn PDF document text
- https://geneolock.com/locktactyuma/userfiles/file/51495658829.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=adobe+acrobat+pro+dc+pdf+to+wordPDF 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_off0000e8b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8B6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000100c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100C8 | 17672 bytes |
SHA-256: bf02c10463be7a21e383825589cc6ebd0e395cf6c2b5078bee5c44e42f881516 |
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font_02_sfnt_off00012efd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EFD | 10412 bytes |
SHA-256: e06e4be163f7663e03a7fe01e1de44c3b5b8d6260abd14936c833340a38cb938 |
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