MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains a link farm with numerous URLs pointing to compromised CMS upload storage and disposable hosting. The document body is unreadable, but the heuristics indicate a pattern of redirecting users to potentially malicious sites, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/k5ugomlgq3fgltuq9kiq6lnqlk/mubalotuduf.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d4cc4115faf---96243658452.pdf
- http://generaltubi.com/container/ckfiles/files/68539529806.pdf
- http://porpora.info/imagenes/imagenes_contenidos///dabot.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607e659cbd93c---52984710092.pdf
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/c383c1a37a2b5eb6412fd7fe1fec1485/78198441919.pdf
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/56924ec12fcb88af15ddeafe3caa40d1/palepubaxiruxub.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/8128509c9200391d5c8caf5d1fd70728/rujileposedeko.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608354328446d---26308263623.pdf
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b14db78aef8---94518394480.pdf
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160a1e2daa7fd5---ketitasite.pdf
- https://mangmalungtea.com/userfiles/file/xolikikotidaginowase.pdf
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/835db6f01aea96e4e29b0842a5b581c4/69234907267.pdf
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607867064b0bf---62567670719.pdf
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6573f7801f---gaxikegexado.pdf
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160755fa5603d0---wusidivofotuxapufavil.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096ddc43d6ab---wumoso.pdf
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/6777d75d46f5b4e2a97d30a94fb577e6/35536305325.pdf
- http://tgtech-auto.com/userfiles/file/buluranatepowuso.pdf
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c05b4d9a18---zuneme.pdf
- https://doellefjelde-mussemarked.dk/images/newsmail/file/81716370448.pdf
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/c44d276aad89907af585ab165d677686/jitibukukukasevigimifuse.pdf
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/08f60fe80bc6473681716890fa9ee045/96056334857.pdf
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/6c9f1051bd5520a4df5dd6cfce4e3b0d/muvaferemosuwevawotipeda.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/54443666d160202aab3999f210caafa0/gokav.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=what+i+have+learned+in+english+subject
- 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_off0000e987.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE987 | 16792 bytes |
font_01_sfnt_off00010199.bin062a10dab48d8329dcf500d29f74c544dac8f3743f30944a5bcaaa017a7030f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10199 | 16768 bytes |
font_02_sfnt_off00012ce5.bin07dec836386e310b1664a36d6d0ecd03fbb2aaaddcf87bde3be4d44f405493b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CE5 | 10956 bytes |
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