MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links pointing to various websites, many of which are hosted on compromised or disposable domains. This behavior is characteristic of a link farm used to distribute phishing content or malware. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a86882b69db---83617482964.pdf In PDF document text
- http://domingo.hu/ckfinder/userfiles/files/welejamopivafowidipap.pdfIn PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6a97ac2f0---lapazevofiko.pdfIn PDF document text
- https://maxflowfans.com/userfiles/file/38299789035.pdfIn PDF document text
- https://dolmalatrek.com/userfiles/file/81968216668.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/cbd914f5bf0949e6897a9a5621936a02/7985580584.pdfIn PDF document text
- http://22vek-omsk.ru/fck_editor_files/files/7325138818.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608988b55a36b---nofevemibomu.pdfIn PDF document text
- http://praguetransfer.com/files/file/bisuwilopasopabex.pdfIn PDF document text
- http://angelescare.com/userfiles/file/xesoropopar.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/gdba8ppnl07pt824dgs4ceh10r/novivonumusav.pdfIn PDF document text
- http://startmatbaa.com/userfiles/file/devijakolusenukevu.pdfIn PDF document text
- http://popnmusic.fr/userfiles/file/wenubu.pdfIn PDF document text
- http://jualumnitoronto.com/editor/uploadfiles/78021818489.pdfIn PDF document text
- https://dhesient.com/media/41243897335.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/4f69661d66397563406d66ffb87a74bd/46415637451.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/eb265650b3690680ae158fdd75859fef/69059236104.pdfIn PDF document text
- https://thietbivesinhsonhoa.com/webroot/img/files/16031966273.pdfIn PDF document text
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/9907cdcd7589c9bcd990f42c845ef50b/ponejukadiz.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/205075a58ee98ce74d8f8905ef31044e/4915081474.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/fusubudekadajul.pdfIn PDF document text
- http://bpsstudio.hu/uploads/jetib.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085f7c544202---bidezegi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=animator%27s+survival+kit+pdf+onlinePDF 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_off0000dfdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFDC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7EE | 18876 bytes |
SHA-256: 768b517e306dcfe80c1c4faf441661d10ed2d556f3efd9e0039a5f06687d6d1c |
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font_02_sfnt_off00012903.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12903 | 10932 bytes |
SHA-256: c20cde368e3500fe92a9600b7a876fa28657260925b7548db8c5c4a7f02ae45c |
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