MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external links, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://kjphotocon.org/data/userfiles/files/70237826995.pdf In PDF document text
- http://vasekurzy.cz/userfiles/file/31595962098.pdfIn PDF document text
- http://hichipper.com/hichipper/uploadfile/file/2021092204552573499.pdfIn PDF document text
- https://accessnepal.org/userfiles/file/xigumibosudumujomal.pdfIn PDF document text
- http://eldmsh1.ru/js/ckfinder/userfiles/files/18539811699.pdfIn PDF document text
- https://reazfarah.com/ckfinder/userfiles/files/98815673676.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/ccab2ab2d284a62c0073eff9fdd414f0/84114774858.pdfIn PDF document text
- http://sosonomo.com/ckfinder/userfiles/files/62051134390.pdfIn PDF document text
- http://betheaskssd.com/flash/betheaskssd.com/file/vajotuxizivujazoj.pdfIn PDF document text
- http://m-styleauto.com/js/upload/files/bulazabanisopudadopazup.pdfIn PDF document text
- https://zenithoverseas.com/assets/userfiles/files/junutozexeganimex.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16134d96f75359---97219254309.pdfIn PDF document text
- https://clinicamanila.com/ckfinder/userfiles/files/waxipate.pdfIn PDF document text
- https://ceylanotel.com/firma/files/ganowavikomunub.pdfIn PDF document text
- http://trungtamdaykem.vn/Images_upload/files/42566922272.pdfIn PDF document text
- https://posaonakosovu.com/ckfinder/userfiles/files/7812353321.pdfIn PDF document text
- https://alyosserspneed.com/userfiles/files/94655522572.pdfIn PDF document text
- http://milkexim.ru/imgeditor/file/68443547144.pdfIn PDF document text
- http://a1-automotivegroup.com/upload/files/63455609607.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/1ca595574b97de97eb6db178b87b185a/jojikipolane.pdfIn PDF document text
- https://haisanquangninh.org/data/dulieu/files/lirur.pdfIn PDF document text
- https://aildf.in/userfiles/file/xewofefesejejijabokup.pdfIn PDF document text
- http://rayer.cn/d/files/dokadinomoxusufanu.pdfIn PDF document text
- http://swatimishra.in/uploaded_files/userfiles/files/99637532835.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=windows+mobile+device+managementPDF 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_off0000b2e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2E2 | 10900 bytes |
SHA-256: e97e6fd1724c05045e88aeb769aececc7035a9d5d37f4f0cdac17d04f9ac1b44 |
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font_01_sfnt_off0000cbf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBF5 | 15524 bytes |
SHA-256: 41801472ea5d4ee0dc45333f98062153567d3fbd6a0aae567b3bca8225ed82c6 |
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font_02_sfnt_off0000f342.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF342 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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