MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable domains, indicating a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous external URIs suggests an attempt to lead the user to a malicious resource. No scripts were extracted, but the overall structure and heuristic firings point to a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://medvor.ru/uplcv?utm_term=sindhi+keyboard+apk PDF link annotation
- https://hinodecoder.com/userfiles/file/pavogax.pdfIn PDF document text
- https://www.bevillelecomte.com/ckfinder/userfiles/files/nirumabapa.pdfIn PDF document text
- http://k9careclinic.in/ckeditor/ckfinder/userfiles/files/17631397861.pdfIn PDF document text
- http://yusungchart.com/userData/board/file/bebibuji.pdfIn PDF document text
- http://intertermo.nl/userfiles/file/81606435073.pdfIn PDF document text
- http://ahkjt.com/upfile/file/29375167517.pdfIn PDF document text
- http://tyextractor.com/d/files/11235062959.pdfIn PDF document text
- http://schokoladenbrunnen.de/idata/76319699539.pdfIn PDF document text
- http://hzbmsj.com/images/upload/File/luwit.pdfIn PDF document text
- http://popnmusic.fr/userfiles/file/kitawevoliwox.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/161364952e3bca---20237222352.pdfIn PDF document text
- http://capthepcongtrinh.com/uploads/news/files/lenafebonap.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/161312e5c4c85d---vepuzadudupudow.pdfIn PDF document text
- http://www.solarwindependence.com/ckfinder/userfiles/files/31508396803.pdfIn PDF document text
- http://dispensapertutti.com/userfiles/files/jaxitezibasirimawi.pdfIn PDF document text
- http://ebrinteractive.com/userfiles/file/pakomozagexovemow.pdfIn PDF document text
- http://186086.com/upload/files/7340478955.pdfIn PDF document text
- http://rszm88.com/upfolder/e/files/20210907031335.pdfIn PDF document text
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/b130c6253f784ec679a5e1b6e6eeb682/75200274939.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/c0b49c08759ccdced6773d5761f143a9/19262828996.pdfIn PDF document text
- https://petrovsky14.ru/docs/files/25808311885.pdfIn PDF document text
- http://stnicholasway.com/userfiles/file/zalanudolupozejidino.pdfIn PDF document text
- http://s292376414.onlinehome.fr/datas/imgmail/file/bolifibosase.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_off0000d8ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f0dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0DC | 19468 bytes |
SHA-256: 86233b0765f226f218e369ccbcea2e10fa0344a4e8be338574e7a3fd2c65c6ef |
|||
font_02_sfnt_off0001235b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1235B | 10596 bytes |
SHA-256: f96698a9d7c7e213ffe32e3f9310f924b134c0ada949b02814e33fbee5c74d46 |
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