MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links pointing to other PDF files, many hosted on compromised CMS uploads or disposable domains. This structure is indicative of a link farm designed to distribute malicious content or conduct phishing. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://ceraunavoltapizzeria.it/userfiles/files/jikukix.pdf In PDF document text
- http://galettedesrois.hu/userfiles/file/bifazixuroloviroxamodub.pdfIn PDF document text
- http://sylvianapoles.com/clients/e/e6/e63d90d46a840f0b3195f531cec11f6e/File/15133995782.pdfIn PDF document text
- https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/6ccb2cd29a6d0a6c902aa0e880f6b507/84982873111.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160e01aa524931---luzafaditujinaloz.pdfIn PDF document text
- http://fotografieindex.nl/images/uploads/lazawutegivikakamalakos.pdfIn PDF document text
- http://ambvetfanini.eu/userfiles/files/57696354587.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/hcdbjj2bk27as5qsu5h1hhvsk7/nujubunilizeradukipagiten.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/valarulu.pdfIn PDF document text
- http://premiumcsp.com/uploads/files/93211969586.pdfIn PDF document text
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073ba0ce01b1---kuwigawezomibelod.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2ba4baf5d43bc7b1a02b150b342b7ff3/17956043122.pdfIn PDF document text
- http://pcserviszlin.cz/ckfinder/userfiles/files/panifemuluvobevufesewifov.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/hmrpfo3g046m8igg3p5s57ar42/7914856264.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b49ac9e2eeb---34109276937.pdfIn PDF document text
- http://podhoru.cz/userfiles/file/45737123426.pdfIn PDF document text
- http://onellenorzes.com/uploads/files/vepuvumimevedodufigato.pdfIn PDF document text
- https://aldurra.ly/images-editeur/img/file/jeminezoj.pdfIn PDF document text
- http://veganogle.es/uploads/ckfinder/files/8278138064.pdfIn PDF document text
- https://yesilkoyluleriz.biz/resimler/files/sukotabevolusonufi.pdfIn PDF document text
- http://cdmatik.com/uploads/file/16794365026.pdfIn PDF document text
- http://nuovartea.eu/userfiles/files/17015865917.pdfIn PDF document text
- http://renovator.cz/files/file/fimij.pdfIn PDF document text
- http://protectakoteasia.com/ckfinder/userfiles/files/deretineberekuzibinepom.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/9to8bmcb1ua362c01moo9215k7/5388215109.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=convert+png+to+pdf+macosPDF 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_off0000be45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE45 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d65c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD65C | 10920 bytes |
SHA-256: a9f795b53f5dbaee82a31192135618a4f70c1f91ea55bc5f77599e599a25d9e2 |
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font_02_sfnt_off0000ef85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF85 | 17996 bytes |
SHA-256: fbc53d813a028515e0cbacb774524d922adc760a716e99d97239d1c45870f517 |
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