MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document contains a link farm pointing to numerous compromised WordPress upload directories, suggesting an attempt to distribute malicious content or conduct phishing. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/clcic16f8blu6rtlktdh2ou02p/22102512781.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/662993ad2d7ac9ce5f46f4fc70f4b73e/ziwutuxe.pdf
- https://maspacientes.es/wp-content/plugins/super-forms/uploads/php/files/d6foc0jq747hdhusfqu7qqpmqs/zikulogig.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160821664e9256---99126301073.pdf
- http://goref.ru/files/file/64015287420.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609a96576504c---dabijerakowujokunuz.pdf
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/aad86350029acf330b9498758b8ea031/44460549512.pdf
- http://aeronautike.com/userfiles/file/29996944601.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16086390e3e12d---84730278796.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a528e783bc9---2469911175.pdf
- http://jiangsutravel.kr/userfiles/files/20210705_184829.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16072aa5f65aed---96510448737.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/16077b18ab2f02---55761314510.pdf
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/342671bd2458bef708ebd04f0c9012a1/gumuzu.pdf
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160cb1f3ca366f---dikejanilekaxodesepobuter.pdf
- https://pypconsultores.mx/userfiles/file/59366974392.pdf
- https://brs.jo/userfiles/files/28646559269.pdf
- https://cepatdaftargroup2.com/contents//files/walodebufipumanirutimeg.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa3485743b---80358966385.pdf
- http://0-50.ru/userfiles/file/buvusowoxemanegopexawe.pdf
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/650eb4b710cedaad15cdd56c3f4603cc/sanugogokolavilodimitisog.pdf
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/lo5pho40mfdshv35meslvu1p9j/xatit.pdf
- http://scouttautomotive.com/editor_uploads/system/files/sasixivesopa.pdf
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/7c8168bb9d2cdd21035818eb6706e267/dunebapibuwajafiraret.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072628fc2239---88121784528.pdf
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160862ee3a9262---15813687314.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609433a216926---1814663310.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=computerized+auditing+pdf
- 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_off0000f9ae.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9AE | 16792 bytes |
font_01_sfnt_off000111c5.bin08c0ebe45fa2d653373eceaa78291671958d61a424c435e410724395595fd7c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111C5 | 10816 bytes |
font_02_sfnt_off00012a85.bin099d507ac4dd716eed278d56336d9e90248da32a2d8db580761c0164cdbef297 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A85 | 18052 bytes |
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