MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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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 https://danfort.lv/userfiles/file/6020178158.pdf In PDF document text
- https://digireg.org/upload/44635752169.pdfIn PDF document text
- https://pcetravel.com/files/file/rapuwudulodoti.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/ca53bd76a913f54fb35734a74edb80b2/93729092682.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc4629658d---79697077708.pdfIn PDF document text
- http://maychamsocda.vn/images/userfiles/file/26170297630.pdfIn PDF document text
- http://flagrant-desir.com/userfiles/file/berafa.pdfIn PDF document text
- http://xn--spreewaldpension-lbben-9lc.de/meineBilderAlbertGrundschule/file/kezesobobitul.pdfIn PDF document text
- http://wsm.hk/images/uploadfiles/file/nikadalejawosozo.pdfIn PDF document text
- http://hotelstrack.com/bot/ckfinder/uf/files/kobasozivubekabi.pdfIn PDF document text
- http://liebherr-tr.com/userfiles/file/63709593821.pdfIn PDF document text
- http://cualuoiskydoor.com/webroot/img/files/fefisofibijeloma.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acd6b288045---muzowemujenorazevomenas.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c33b90168c9---93140868567.pdfIn PDF document text
- http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/80278307275.pdfIn PDF document text
- http://residencecarlofelice.com/userfiles/files/wurakivasedaw.pdfIn PDF document text
- https://adian.eus/files/galeria/files/48022147522.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf931dd667---wunosetobipur.pdfIn PDF document text
- https://najarshi.com/basefile/najarshicom/files/54000910155.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/klkceh5nmdtgk7rc3bq3etsag2/84927432657.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=settings+worksheet+1PDF 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_off0000e281.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE281 | 17484 bytes |
SHA-256: 2087658a445a599033e7d636679cd9af5258da763610d138cb373c54fd8416b3 |
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font_01_sfnt_off00010f98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F98 | 10484 bytes |
SHA-256: 7957fd74d001df7fb9b51dea71965b705bd4559a6812618ffa035f55ab1aa0dc |
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font_02_sfnt_off0001277a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1277A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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