MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress sites and other disposable hosting, indicative of a link farm designed to distribute malicious content or phish users. ClamAV and ML classifiers strongly indicate maliciousness, with the primary attack pattern being the exploitation of user trust through a deceptive document to redirect them to potentially harmful external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://arredamentoambienti.it/img/file/poronazimuvaraziloxodux.pdf
- https://laser123.com/geektic/files/refepozalowegamuvafe.pdf
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759ab0853b8---gegatibolufizil.pdf
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/72c2933d86bb3d4ca3d7cebc09eac399/pizoras.pdf
- http://asesorgubernamental.com/images/file/91257207843.pdf
- http://1utilaje.ro/mm/file/6005371477.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/3691158be350fff497ca3c586354906d/87856057413.pdf
- http://yilip.net/userData/board/file/92548008959.pdf
- http://humanitool.ru/userfiles/file/pilidipujamifal.pdf
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b34a0e13af4---26779247243.pdf
- http://www.cenlafilm.com/siteuploads/editorimg/file/napexorojup.pdf
- http://www.jindatunnel.com/up_files/file/1754663770.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/71tf3r363mo1711sdd2ig7b31g/kifarebidusagaribum.pdf
- https://implantologie-deva.ro/app/webroot/files/userfiles/files/76886594620.pdf
- https://iringmalaysia.com/ckfinder/userfiles/files/kezaxozobupelepuzitogew.pdf
- http://lasfyy.com/uploadfile/file/20210705065016088.pdf
- https://tungqibiotech.com/upfiles/editor/files/36682260988.pdf
- http://cokhibaosang.com/media/ftp/file/zumiwi.pdf
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/toghbekijfv6420r0mp4l8bone/46888366289.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/822d4ef0d5d9ed267c439767b32054cf/perulizotunisimesezukik.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=liquidated+ascertained+damages
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e343.binb925f3a3fa66927239b92bbb61bb61d3b2984aa411d82941b4fad8382dd6a2f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE343 | 10752 bytes |
font_01_sfnt_off0000fb74.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB74 | 16792 bytes |
font_02_sfnt_off00011386.binc2623ea4b40cdef7a0a3abcc59234855e8df852536b43baef61d2a6500c44404 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11386 | 17812 bytes |
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