MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicates a strong intent to drive traffic to external resources, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://coretry.ru/uplcv?utm_term=series+app+for+free PDF link annotation
- https://hotelmitrutarija.com/uploaded/files/74137336327.pdfIn PDF document text
- http://35ju.21tg.cn/uploadfile/ckeditor/files/xasafolufitirejamizereb.pdfIn PDF document text
- https://lesura.net/userfiles/file/52750786842.pdfIn PDF document text
- https://lotteppta.com/beta/assets/file/pakosozawoxoninurolewi.pdfIn PDF document text
- http://gwtcs.org/Content/uploads/files/58975868056.pdfIn PDF document text
- http://studiotravenzolo.it/userfiles/files/vepivowefamezukarowosor.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/16133177bc7f03---59612703060.pdfIn PDF document text
- http://huh.hu/UserFiles/File/koluxefutekuxebukakev.pdfIn PDF document text
- http://badaranquehablar.com/userfiles/files/84250659479.pdfIn PDF document text
- http://azbuka-d.ru/ckfinder/userfiles/files/45129024655.pdfIn PDF document text
- https://iqmuseum.mn/uploads/files/jagesejojufa.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/b7k340i63jjt7d5k98qb6iih82/bejizobisobujefegarosid.pdfIn PDF document text
- https://globalmediaminds.com/uploads/files/gasojaralaguxu.pdfIn PDF document text
- https://dovolena-jiznicechy.cz/uploads/65492512860.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd9b6d2534---24759692927.pdfIn PDF document text
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/bb98d6291fc26cb6d50475fa99eba1d2/kufakazenudanelozoloxu.pdfIn PDF document text
- https://myoffice.acqualive.com/uploads/files/fugulavupufurelejapuzato.pdfIn PDF document text
- http://vecsecity.info/editor_up/92483460602.pdfIn PDF document text
- http://daydeothe.vn/rich_editor/file/kezipedajodif.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab8e2790b5---24066386708.pdfIn PDF document text
- http://chocoenglish.com/_UploadFile/Images/file/6845103995.pdfIn PDF document text
- http://verduciautodemolizioni.it/userfiles/file/xituzizapunudive.pdfIn PDF document text
- 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_off0000c658.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC658 | 10176 bytes |
SHA-256: 637e765bfbb3401c39f88977931a481e544f078420775026ff78803c9712b40b |
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font_01_sfnt_off0000dd35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD35 | 17808 bytes |
SHA-256: 9fe972cfb9c39b21600296723af55c1cb8212cd6a104f7cf6925547a46833641 |
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font_02_sfnt_off00010b27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B27 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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