MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to lure users to malicious destinations. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://archism.ru/uplcv?utm_term=what+is+the+new+unvaulted+gun+in+fortnite+today PDF link annotation
- http://3t-t.com/User_File/UpFile/file/20210908160734_d2Fsb3Rhc2F6ZW51amVzaXNhc3V4aW5hbA==.pdfIn PDF document text
- http://adec-interiors.net/Uploads/file/40584214934.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16147f15e71ad5---14141500262.pdfIn PDF document text
- http://noahmission.org/dataroom/file/nixemekekaf.pdfIn PDF document text
- https://www.medicalbi.com/ckfinder/userfiles/files/babuzixanodog.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136f39489f96---gubawitijeborusanibisuxi.pdfIn PDF document text
- http://nsmpublicschool.org/slbdavbatala/userfiles/file/9959317158.pdfIn PDF document text
- http://fskyok.com/uploadfile/files/6239820768.pdfIn PDF document text
- https://lmbri.com/WYSIWYGImage/file/timutotetor.pdfIn PDF document text
- http://beautybybelief.com/admin/images/file/jexezebunosisozibogi.pdfIn PDF document text
- http://pecsimutargygaleria.hu/files/file/57644373476.pdfIn PDF document text
- https://padservhosting.com/userfiles/file/42581814806.pdfIn PDF document text
- http://tko.wavedev.net/img/files/files/juvimiwupane.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/49sc247r885hrtp524bi3630u9/gozujaninavalumimegoruli.pdfIn PDF document text
- https://soccerauquebec.com/userfiles/file/besegigezamop.pdfIn PDF document text
- http://taihegas.com/filespath/files/20210904171004.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/13405ac9f01ee8f4d25f77668b725a15/66760601733.pdfIn PDF document text
- http://ohsongpharm.com/ckfinder/userfiles/files/11653627091.pdfIn PDF document text
- http://lustigersteirer.at/userfiles/file/89246661457.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/993a2cded56848eb5e46daf36b35951c/zebexuwojunedab.pdfIn PDF document text
- http://anpo.vn/upload/files/58137773889.pdfIn PDF document text
- https://tourgardan.com/basefile/tourgardancom/files/41657490270.pdfIn PDF document text
- https://yk-tech.com.tw/ckfinder/uploads/ckfiles/files/vugotitugigewepajile.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_off0000e23f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE23F | 10992 bytes |
SHA-256: 724f272c35456f120fba7484fdc9d187f85fa242f0fa5c27280e8e6b35e749f8 |
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font_01_sfnt_off0000fb8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB8D | 18348 bytes |
SHA-256: 31e3314859a5e3e424856f8e72db08b1cd1e632a4b62fb411122b6a7c02d778e |
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font_02_sfnt_off00012b27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B27 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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