MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised websites or are part of a link farm designed to redirect users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or distributing further malware through these links. The presence of a link farm on disposable hosting and compromised CMS uploads suggests an attempt to obscure the ultimate destination and leverage potentially untrusted infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://becucci.it/userfiles/files/xorizatoj.pdf
- http://hmondo.com/userData/board/file/38893368303.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d9ac09e6b8---dumalejoxokujavag.pdf
- http://csp.hu/editor_up/94416091134.pdf
- http://e-sportis.com/images/upload/kimesopunutekadovugu.pdf
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f53e434c77---6304107500.pdf
- http://bonfiremadigan.com/uploads/fckeditor/file/rawifelekujegumi.pdf
- http://www.lnk-creation.fr/upload/file/88136135665.pdf
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/r7d058tc25ts7m7jqjf5vfaivm/27833737386.pdf
- http://kammatrans.com/userfiles/files/sufaxa.pdf
- http://jlm-kg.com/uploads/file/panuzupabo.pdf
- http://faisaltowel.com/survey/userfiles/files/bolajafafenufekorazukowef.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613f88a61e6c4---gisedovozurumemiv.pdf
- http://silarperu.com/UserFiles/file/647569030.pdf
- http://gancza.pl/userfiles/file/44576860165.pdf
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/1d80742a6cff6060bbae4e6b05c07808/nugan.pdf
- https://satuldelut.ro/ckfinder/userfiles/files/silusuvadegasabawef.pdf
- https://hebatkeren88.com/contents/files/65881534628.pdf
- http://dezis.ru/uploads/files/vopajajolorabam.pdf
- http://stroykap.com/application/views/stroykap/userfiles/file/36650847451.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613819d43ae8f---49624929254.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613c21064a71d---wazejomol.pdf
- https://caribemed.com/userfiles/file/voloxebigutaxalejojiz.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=how+to+download+apps+banned+in+your+country
- 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_off0000b6df.binb214c3a5a54c26748aa53962298f51e76149620b3628a052e9fc77c784d2c275 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6DF | 10936 bytes |
font_01_sfnt_off0000d025.bin3e0f3f4bc5f7e56fb212ce0da0025065320a02945aeaefc40df80f5fb7ec562d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD025 | 17496 bytes |
font_02_sfnt_off0000fcaa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCAA | 16792 bytes |
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