MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous links, many pointing to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://imreelectric.sk/uploads/file/61145474530.pdf In PDF document text
- http://nomorecpapmachine.com/userfiles/files/35878816425.pdfIn PDF document text
- http://tele-klass.ru/i/upload/files/meveb.pdfIn PDF document text
- http://cravaluos.com/ckfinder/userfiles/files/4719649529.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a98e2119c8---bibolajiferatuji.pdfIn PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f511865aacc---89086296907.pdfIn PDF document text
- http://innospectrum.eu/hirlevel/file/zepogidutolura.pdfIn PDF document text
- https://chetanaus.org/bheru/uploadfiles/file/70349149359.pdfIn PDF document text
- https://oklogistic.lv/upload/file/rulizaru.pdfIn PDF document text
- http://dzstock.com/Upfiles/file/bisawera.pdfIn PDF document text
- http://0-50.ru/userfiles/file/40902846813.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/cd3fe3be68139a3eba5869811a2d6663/dufopukinadokapomojep.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/gaguwitamunol.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b24188c581a---75021207197.pdfIn PDF document text
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/8c1ds0nf5uarct4hogl0mcofu7/zebevefaje.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1609ece9d0eb97---61546001205.pdfIn PDF document text
- http://vimar.ua/userfiles/files/xojumigajexeperapojuxu.pdfIn PDF document text
- https://latework.cz/soubory/budeloleribesaduwamamekak.pdfIn PDF document text
- http://sunarfactory.com/userfiles/files/43256351716.pdfIn PDF document text
- https://www.groupenahno.com/wp-content/plugins/super-forms/uploads/php/files/abthutj1vv7mokh4h5kk6j8gt4/31540911209.pdfIn PDF document text
- http://bertoniamministrazione.it/bertoni/public/file/ludaniwapazomez.pdfIn PDF document text
- http://edbiji.com/uploads/files/20210707033849_880354.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/1q16ij5aoqdipnbkj6f05ese70/morikapozinalarobojisaba.pdfIn PDF document text
- http://quickvideo.nl/userfiles/file/74956926502.pdfIn PDF document text
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/ftd7njlcc1dhcp6tmup5hb6i05/8160655860.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=what+to+eat+while+taking+adipexPDF 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_off0000f73b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF73B | 18468 bytes |
SHA-256: e89ba40d2ce1aee2385242124d0de8f90002691ba1191ea9b40d0e5077090d14 |
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font_01_sfnt_off0001279d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1279D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013fb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FB4 | 10676 bytes |
SHA-256: bd5c3cef4c8af2b43860d35a6d70ea455cb9dd10e4836aba22cfd8aa12940c4e |
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