MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. The document contains numerous links to external PDFs hosted on compromised or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of invoice-related language further supports a phishing lure for payment or accounting information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9938
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/88b2b90c248ab0d6e18b3ffbe6f81208/powopawawi.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/deaea00bbcf754e7b6b759377dffd4e9/rubuwifagetejawurikifabum.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/76bb60a5b9be6a2adb57ccb249933930/80121387045.pdf
- https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/28931684691.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b17a6c2a115---98552334117.pdf
- https://bdaudit.ro/userfiles/file/40287101020.pdf
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/c2b1a1e831b5b2a9a04f3d7c17a773be/54807784027.pdf
- http://leebyunghun.org/new/upload/board/files/89391544571.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/4c0880fcnqvt0rdhaqau1j5ns6/69227007191.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085edaf34aa1---11410683996.pdf
- https://dm288.rs/slicice/file/148437930.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/948d622f28ecc92c5ed69e821a4579a9/sugozipudigufib.pdf
- https://ises.ca/phpsites/vertical_living/uploads/file/momimi.pdf
- http://primaneighbors.com/userimages/zafuwe.pdf
- https://rodolphe-blanchet.fr/Rodolphe/fckeditor/file/66236195126.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16085cc339552b---79287754284.pdf
- https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/2e6cacc10ade6762d3141c925865875d/bupod.pdf
- http://kzlo.pl/fotki/fotki/file/74494705977.pdf
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160850f39da12f---kubijatiloragogimusixi.pdf
- http://pcmcpropertyblog.com/wp-content/plugins/super-forms/uploads/php/files/191afc28400021460044d380f611c214/wukorigofajufutizip.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a763082ef9d---derebebamuxobakudufipew.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160983d8f1da97---18266364108.pdf
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c33649d2b---22980420198.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=accounting+1+7th+edition+chapter+7+answers
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000125de.bin40e00d1b3723175f7e3fca60eb657a2d77579f4f10298fd145cb0dc124be7521 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125DE | 11016 bytes |
font_01_sfnt_off00013f79.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F79 | 16792 bytes |
font_02_sfnt_off0001578b.bina81cc31f06f786a37be6e6a5522953b11968eaa3fd1765f92b12fe0e87170423 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1578B | 17804 bytes |
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