MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external URLs, many of which are hosted on compromised websites or disposable domains, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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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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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://philabc.ru/uplcv?utm_term=lightroom+app+download+laptop PDF link annotation
- http://www.erealitysolutions.com/tennisontario/assets/appsadmin/js/ckfinder/userfiles/files/10637984372.pdfIn PDF document text
- http://weforyou.it/userfiles/files/77793953419.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613da8bd580a6---80868183730.pdfIn PDF document text
- http://stoka-saarlouis.de/userfiles/file/fezetobobemowemuzixi.pdfIn PDF document text
- http://domadoma.cz/userfiles/file/79312856873.pdfIn PDF document text
- https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/73831226136.pdfIn PDF document text
- http://aotem.com/data/home/qxu1780220113/htdocs/uploadfile/files/9391968004.pdfIn PDF document text
- https://mimpishio2.com/contents/files/40394318696.pdfIn PDF document text
- http://market-oborudovanie.ru/upload/file/rejazabewofubunef.pdfIn PDF document text
- http://kliknetezde.cz/admin/obrazky/file/dekoxenojagemijinuxevuwo.pdfIn PDF document text
- http://www.synagoge-stommeln.de/ckfinder/userfiles/files/30670999171.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161398394c7501---69582209110.pdfIn PDF document text
- http://cana.vn/uploads/userfiles/file/didamiwok.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16136744ead54e---butupomibowegokezekiguta.pdfIn PDF document text
- http://harc-ias.vn/Images_upload/files/79669087080.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136839013172---kowogupidikorodi.pdfIn PDF document text
- https://www.educazionesessuale-scuola.ch/ck/ckfinder/userfiles/files/31164582187.pdfIn PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613819fb7cf0b---58236078882.pdfIn PDF document text
- http://wxdyzs.com/userfiles/files/52408945852.pdfIn PDF document text
- http://mibenjamin.com/userfiles/file/tobijezuz.pdfIn PDF document text
- http://genarchi.com/data/temp/file/95675399580.pdfIn PDF document text
- https://giverny-bkk.com/upload/files/7899648152.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_off0000b10a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB10A | 14424 bytes |
SHA-256: a4693df008339ed5337ce4aba3bc0f096937d240b3ad63347ae32d71391d2370 |
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font_01_sfnt_off0000d561.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD561 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ed78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED78 | 10584 bytes |
SHA-256: dd0431f4dc1a6254b083222527308f67e8b183bc55ea6624f94bcb545fe3de69 |
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