MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm. Multiple heuristics indicate the PDF contains numerous external URIs and links to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs further supports this, likely directing users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://drafthe.ru/uplcv?utm_term=pokemon+gold+beta+download PDF link annotation
- http://bonfiremadigan.com/uploads/fckeditor/file/borejubefefuj.pdfIn PDF document text
- http://nilesk.com/userfiles/file/31634443895.pdfIn PDF document text
- https://vicotelecom.vn/static/source/images/file/fufetukesetiz.pdfIn PDF document text
- https://xn--90aoja6ahg5ds.xn--p1ai/uploads/files/75752023584.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/58074366843.pdfIn PDF document text
- http://imbirimbir.ru/files/zomulop.pdfIn PDF document text
- http://zhodnoceni-penez.cz/is/images/FCKeditor/File/duwefidedifafofube.pdfIn PDF document text
- https://dascalita.ro/app/webroot/files/userfiles/files/kejipivedamawi.pdfIn PDF document text
- https://poganyvolgyi.hu/userfiles/file/samunel.pdfIn PDF document text
- http://ingore.cn/upload/files/zobevoperali.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132533fa2509---lirinizeg.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/0303b87b851f6af938e3173be14ed08a/puduxu.pdfIn PDF document text
- http://koslita.eu/ckfinder/userfiles/files/jalaxugitinisir.pdfIn PDF document text
- https://alpinismbihor.ro/app/webroot/files/userfiles/files/605231405.pdfIn PDF document text
- http://www.andreapondika.cz/file/77919666656.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613e633b11d60---35912976951.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16141e3616085c---gitegejurepatagetaxaj.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fcb6a148ea---57987632987.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613bfc779ccf5---bopupoto.pdfIn PDF document text
- http://kasaitogo.com/uploads/files/89674147530.pdfIn PDF document text
- http://johndanton.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/63802665041.pdfIn PDF document text
- http://1night2daytour.com/ckupload/files/nubujotivatizikadega.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_off0000d690.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD690 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eea7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA7 | 10548 bytes |
SHA-256: c2dae6fe0d6350058ecb82dde220872607ff17bffe73897fb4cf5dc3f20679de |
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font_02_sfnt_off0001068d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1068D | 18840 bytes |
SHA-256: ebf844d88118f269cc1f601d2fb6f169fe379109e02dbf086219b2b38c3f8b08 |
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