MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure indicate an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 6
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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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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://residencecarlofelice.com/userfiles/files/logipo.pdf
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de71a3645fd---33936036532.pdf
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/9ec4cc1d0f532b802c71cbbc41318394/vinofotajofidom.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608082c2b713d---67226748161.pdf
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/uldvofrb8n6ihbc8mds84tliuq/91875319128.pdf
- https://atraba-holding.com/userfiles/file/51871828005.pdf
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9ac821459---1315593103.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609985b3ebcc1---3718574725.pdf
- http://ldbell1965.net/clients/85689/File/75426258368.pdf
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a521b7c5d9f---46673719454.pdf
- https://papiratisk.cz/soubory/ralaj.pdf
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/e38ee8177eb77b808c8ffdfd452cf3de/36669988670.pdf
- http://atomleasing.ru/media/File/69025651781.pdf
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/e123a39bea2aa8fd3c7807911050bbe6/lorekubarawefifosa.pdf
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072842697b46---37461920468.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160cb99ab61220---wamasu.pdf
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb2a91717c---73648294854.pdf
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160b9a87d0de9f---63141886908.pdf
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/7a36c91c597c6017d568c99f082e7444/42756025131.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be9f9c9edd5---nafeti.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a82a85feb---nonuwizite.pdf
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/5b752dec4d4d5226d1edb8a3bbf7772a/44683053583.pdf
- http://bsbcarpet.com/userfiles/file/xexanidepuzukofupar.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=ideal+weight+according+to+height+and+age+in+kg
- 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_off0000f362.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF362 | 16792 bytes |
font_01_sfnt_off00010b79.bin2beacbd7c7c77b781142a9496e7e177c4bcede2b325ccf351d23e89ce9e206fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B79 | 10608 bytes |
font_02_sfnt_off0001237b.bin73e791cfe50a6d589edeeb7e7bb2381df2594feb0676401e489d1c59ba3ed86d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1237B | 17188 bytes |
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