MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://architektor.ru/uploads/file/folod.pdf In PDF document text
- http://85560891.com/upfolder/e/files/20210911035212.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131fa63f3999---97882388306.pdfIn PDF document text
- http://infiniti.e-library.tw/uploads/files/69614123803.pdfIn PDF document text
- http://www.polni.si/Images/files/55531516336.pdfIn PDF document text
- http://intproplaw.com/admin/uploads/file/koxafebuzumijunafunanel.pdfIn PDF document text
- https://csmgh.net/pevron/www/img/file/lajuzutewun.pdfIn PDF document text
- http://progetec.org/userfiles/files/vofobetopomafuta.pdfIn PDF document text
- http://a-b-i-s.net/layout/bilder/file/26879786480.pdfIn PDF document text
- http://sfalojistik.com/userfiles/file/31379144472.pdfIn PDF document text
- http://sfipl.in/userfiles/file/57861703633.pdfIn PDF document text
- http://myflora888.com/ck_files/files/pasud.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/sg981pulh05p2085n0alfn65a3/47508982339.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/ln2votlq4b8p7sj7qchclblvg0/80870537329.pdfIn PDF document text
- http://bsa-billiard.by/images_from_html_editor/file/5835527176.pdfIn PDF document text
- http://runbo.net/upfiles/files/16311877513476.pdfIn PDF document text
- https://amatnieks.com/pictures/image/96826503067.pdfIn PDF document text
- http://dienlanhtruongson.com/upload/files/9842576470.pdfIn PDF document text
- http://arabic.cz/ckfinder/userfiles/files/wetas.pdfIn PDF document text
- https://lose-weight.tw/upload/files/futinerex.pdfIn PDF document text
- https://efnnma.org/files/file/14442396319.pdfIn PDF document text
- https://snqrsl.quebec/upload/editor/file/49626875852.pdfIn PDF document text
- http://azizolace.cz/images/file/juxetironizo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=simple+live+wallpaperPDF 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_off0000c417.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC417 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC29 | 17680 bytes |
SHA-256: af943bb99dca0278b664a518dafe2a79a357fb688e04ea2a2fb0b68451747218 |
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font_02_sfnt_off0001091b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1091B | 10152 bytes |
SHA-256: 49fccdda4a72b00a53099234e376697690b3bd616cd37f3dd2eaa8b944dbc1d8 |
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