MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised or disposable hosting domains, indicating a link farm designed to redirect users to malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent. No scripts were extracted from this sample, and the document body was unreadable, so the rationale is based on the URL analysis and heuristic findings.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 5
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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://weighlessthisyear.com/ckfinder/userfiles/files/97186263470.pdf In PDF document text
- https://tttinox.com/upload/userfiles/files/89649736650.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/0271a06ed6c22c120d85d28530344bc1/tulegawosarinapolaf.pdfIn PDF document text
- http://sandlnae.com/data/editor/file/64507673126.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16131cd09cbc9f---baxejub.pdfIn PDF document text
- http://1night2day.com/UserFiles/file/dexowutemavubefuvomut.pdfIn PDF document text
- http://bitree.net/ckfinder/userfiles/files/netodokofovupodozisar.pdfIn PDF document text
- http://marienoellebermond.com/img/uploaded/file/12968814425.pdfIn PDF document text
- http://goldmustang.com/files/files/dozenezesa.pdfIn PDF document text
- http://asztalosweb.hu/userfiles/file/dawarag.pdfIn PDF document text
- http://streetnn.ru/data/upload/ck/files/32146516528.pdfIn PDF document text
- http://teormech.ru/teormech/usrimg/file/81825205551.pdfIn PDF document text
- http://luxlustry.ru/img/upload/rudurelogejogiwomeb.pdfIn PDF document text
- https://dehaventransportation.com/home/de/public_html/ckfinder/userfiles/files/nuvogipegixitegomek.pdfIn PDF document text
- https://avukatwebsitesi.kocgrafik.net/upload/files/fezebep.pdfIn PDF document text
- http://duet-czluchow.pl/userfiles/file/xuxekogerenedabawevejik.pdfIn PDF document text
- http://aleshashop.net/uploaded_files/userfiles/files/1761244228.pdfIn PDF document text
- https://elger.cz/fckphotos/file/6257103693.pdfIn PDF document text
- https://viboot.traigiongthuha.com/ckfinder/userfiles/files/sovenaguno.pdfIn PDF document text
- https://aventura-agence.lu/userfiles/files/deponiliwovilolusogaxoraf.pdfIn PDF document text
- http://abwingssuffolk2.com/uploads/files/parejifobonisazafa.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132190b55008---61473304935.pdfIn PDF document text
- https://baongochoa.com/upload/file/limaperim.pdfIn PDF document text
- http://pho32shabu.com/uploads/files/64601080830.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=android_sdk_root+environment+variablePDF 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_off0000da3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA3B | 10720 bytes |
SHA-256: 3749486575c93bf0deaaa59e98743f8cce563a88a23a2a323bdc061ddc76cd29 |
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font_01_sfnt_off0000f2e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E6 | 18936 bytes |
SHA-256: c97376cf2dcf3743fdc39f57c139230655f9d93adb4cbfceff0b1f2f40c58d05 |
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font_02_sfnt_off00012542.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12542 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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