MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised websites, including those hosted on WordPress upload storage. These links likely serve as a distribution point for further malicious activity, such as phishing or malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/bufiz.pdf In PDF document text
- http://cesmclassof68cheyennewy.com/clients/82478/File/44590142333.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-6-20/20210620064430458230.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1609747e01ff2f---gekitubisuzorudosoriziz.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1607511a837071---97234668023.pdfIn PDF document text
- http://jirehenl.com/userfiles/file/280523169086.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/ee7lr7uf8faife1bdl7ab8ae21/84314926554.pdfIn PDF document text
- https://area34.info/wp-content/plugins/super-forms/uploads/php/files/3nbam56pcjk9ioltb7qbndr7g2/33570935313.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/u1r7l9dbqeh8k59nbs6tfad5hc/685664512.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/dd105fa49c7f3894744a7798430f6acd/rurixoxugamaxutatu.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160855f0e56d63---rijoze.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16072a4769dc2b---nunaneb.pdfIn PDF document text
- http://clubselectionvoyages.com/images/file/63990905817.pdfIn PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16080f1f43b44c---63980858418.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9116750bea---bokazekoladu.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/73046232567.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/160826f3d65110---nojapegetekemezutuzufab.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607180053ba04---fumeverimedix.pdfIn PDF document text
- http://c2r-auto.com/uploadfiles/file/2021060310501373499.pdfIn PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b72b55c52e7---debifobezokapatinadux.pdfIn PDF document text
- https://aiaciran.org/cache/fck_files/file/51554659020.pdfIn PDF document text
- https://iwnta.com/userfiles/file/65574551732.pdfIn PDF document text
- http://sushibelovo.ru/files/41123495678.pdfIn PDF document text
- http://www.radiooro.com.mx/media/images/uploads/files/wozagutofigagidemajavow.pdfIn PDF document text
- http://camionespanamericana.com/userfiles/file/66501398312.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=stakeholders+meaning+in+malayalamPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF08 | 10976 bytes |
SHA-256: 21ac5c0c5968df12ef923ac052b81b3bc6e3d309763d40f04ba2cb9f1c80c980 |
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font_01_sfnt_off0001081a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1081A | 17860 bytes |
SHA-256: 55c27e2cfd4e682b6028fbde463fa4cddf7ed5d7338376876902650cb5fb8ee0 |
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font_02_sfnt_off0001352c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1352C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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