MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress upload directories and disposable hosting. Heuristics indicate this is a link farm designed to redirect users to external sites. ClamAV and ML classifiers also flagged this PDF as malicious, suggesting a phishing or trojan distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://machinegroup.ru/img/outer/files/2638273079.pdf In PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9e78949519---digumufitijadozuwonen.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160964d0bcd8b7---wusufaginadifu.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e69d8516b---zuvemumulugadaxebageri.pdfIn PDF document text
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1606d939168ebd---jonutasuxoniwexiro.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab63a6ad83---bupuxoxow.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/6e774673fbac087985a8b4424d05b25b/xisolexed.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd38177f56---ladupusufafovefaxobupife.pdfIn PDF document text
- http://designerhouse.ru/upload/files/395697675.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160ddbcec7d45f---leruped.pdfIn PDF document text
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/0l9uds09mj41jagg0nq5v1q9ge/kafabonuxepevib.pdfIn PDF document text
- http://jikaramen.com/uploads/files/vexufob.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/67486159837.pdfIn PDF document text
- https://albizy.com/ckfinder/userfiles/files/67303062931.pdfIn PDF document text
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/15c21ca7c5ce57077a0ad1a83f4bcc42/24677370465.pdfIn PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a1169be0a39---reroxizozipakitekavital.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/jppdlned7f50nl9q0n0rmpctq1/sapudezib.pdfIn PDF document text
- http://kolesnikov.pro/ckfinder/userfiles/files/didaridodijoximofupiw.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a8eec1e146---tekevafubepibalonida.pdfIn PDF document text
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/f8af2e45aee1d31298b193da7a3f8bcb/bipezu.pdfIn PDF document text
- http://kraski-chernila.ru/resources/file/xekebudirupoka.pdfIn PDF document text
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/1e548f6e31ced47f179a423a1483fe06/62350444845.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/ead74a202f41c02bb77d46eb24a2c39f/jomiluruxunefusivefe.pdfIn PDF document text
- https://www.temsilcifirsatlari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728a4b145f8---zuzuniwob.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb8a2af979---43576447872.pdfIn PDF document text
- https://szabobuszrendeles.hu/files/files/togavedojovokam.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160865f9ae97c3---47919188411.pdfIn PDF document text
- https://eurotechcorp.vn/admin/webroot/upload/image/files/88403418979.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=wil+and+jadaPDF 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_off0000f482.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF482 | 9744 bytes |
SHA-256: bb1f3bc397eb02b459a726c8b9c5a0e245f7314db41fdac7c8aa89b1a1fd46b3 |
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font_01_sfnt_off000109b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109B1 | 17520 bytes |
SHA-256: 704d8b6ad23a5b4048ff51e23664c9558603e24a4db304498d146dd4dc889f70 |
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font_02_sfnt_off0001378b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1378B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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