MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to compromised WordPress uploads and disposable hosting domains. These links are likely intended to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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 http://deryalvincotokurtarma.com/userfiles/file/jizuritokexifazap.pdf In PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1610f23935a354---87533511456.pdfIn PDF document text
- http://vdtonline.vn/static/uploads/editor/files/36032389683.pdfIn PDF document text
- http://ruishikaishi.com/upload/content/files/2021/07/20210716102504.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/f78e49df8d5dd37a4ab8c59d1a0a4797/gozasilefesud.pdfIn PDF document text
- https://www.cittadelmiele.it/wp-content/plugins/super-forms/uploads/php/files/b0f6e53b71489ffb7af66bd5d9f34247/23263341241.pdfIn PDF document text
- http://brownewingfamily.com/clients/a/a4/a4d7a48ed280e719b438ae57db99af5e/File/boxugix.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/016e4a581b55f4c755e0de20318216d5/52312933016.pdfIn PDF document text
- http://candientushinko.com/images/file/81723880426.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a25c8a84bb1---zuwukukixuboxekife.pdfIn PDF document text
- https://fcksa.com/ckfinder/userfiles/files/visefofugusezer.pdfIn PDF document text
- http://mya1fc.com/files/ckuploads/files/vokelafuguwago.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb225834c37---mipifazinedoxilebubi.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/hb7gnap904m679bpq5pp270724/kotugasubimusivipedofi.pdfIn PDF document text
- https://abhimaninteriors.com/ckfinder/userfiles/files/vulane.pdfIn PDF document text
- http://beiwendq.com//data/attachment/file/92124535723.pdfIn PDF document text
- http://siblom.ru/files/upload/file/93402850178.pdfIn PDF document text
- http://doubles301.jp/files/ckeditor/files/doxafilogop.pdfIn PDF document text
- http://pnmanagementsolutions.in/uploads/67669461773.pdfIn PDF document text
- http://netinflux.net/userfiles/file/powinipavudibetafuwuxu.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/cbb1d5c974f180fa9f7ea05e87c5bbd7/ropikifitinurugoxixakelo.pdfIn PDF document text
- https://asthasupermarket.com/userfiles/file/6636323776.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=tangstar+science+stages+of+meiosis+answer+keyPDF 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_off0000ee96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE96 | 16716 bytes |
SHA-256: c2d9b06b4f3f247958c33d26fee1f669e19f2df24344f9032451d5a987147b54 |
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font_01_sfnt_off00011a44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001325b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1325B | 10888 bytes |
SHA-256: 4f9a7fc3a1df836a09de8d00a88acca5d42c2046d55180a0272677d0732b2dd8 |
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