MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to redirect users to malicious websites or exploit vulnerabilities. Several heuristics indicate the PDF is part of a link farm pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 7
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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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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 http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097e55b1b38a---vusaguporevejol.pdf In PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e26e31bd068---3589338714.pdfIn PDF document text
- https://mwasafat.com/uploads/files/pifit.pdfIn PDF document text
- http://prattsofdouds.com/clients/d/d8/d85aab9f4bcbae69c8358f7a9990a0b1/File/motobatuginebutiguredut.pdfIn PDF document text
- http://bienbao.org/uploads/files/39126536493.pdfIn PDF document text
- https://eldorado777.ro/upload/editor/file/25661762157.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/982eb6304408a22a8d942238275f59de/5997582238.pdfIn PDF document text
- http://nhatngungoisaoxanh.com/upload/files/pazakifexusag.pdfIn PDF document text
- http://apvn.info/userfiles/file/xefevijulukasiwugiku.pdfIn PDF document text
- http://carsongrad75.com/clients/3/35/35717660c32d3dd9b0ffde8f33a19d23/File/mejuwem.pdfIn PDF document text
- http://musclecar-taps.com/js/upload/files/kijab.pdfIn PDF document text
- http://kssi.ir/public/userfiles/file/92268615450.pdfIn PDF document text
- https://vpmemorial.net/images/file/75529524761.pdfIn PDF document text
- http://jyjjapan.jp/files/ckeditor/files/44392355158.pdfIn PDF document text
- http://jianianhuayule.a9188.com/upload_files/art_files/files/20210825_212334.pdfIn PDF document text
- https://tranduongauto.com/app/webroot/files/images/pages/files/32937983090.pdfIn PDF document text
- http://jdjfjx.com/images/upload/File/49496088662.pdfIn PDF document text
- http://ntrc.biz/clients/f/f0/f0759d16aca5b3dfc9163ee994587b7f/File/lumemifejusivawog.pdfIn PDF document text
- http://greatnice.club/updatefiles/file/lajenafibebuvike.pdfIn PDF document text
- http://tnmetalworks.com/images/files/58438134594.pdfIn PDF document text
- http://rsst77.ru/upload/files/zetetupurapajepofates.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608a09f54dc64---7298491987.pdfIn PDF document text
- https://weborder.cloud/userfiles/file///75447272835.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609c5b9fd5501---35025155798.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/1207685d6094ba0408f60cd48c39f7c8/93595018725.pdfIn PDF document text
- https://rabudiagnostic.com/userfiles/files/bokijulakil.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=3+month+business+plan+templatePDF 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_off0000f28d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF28D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010a9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A9F | 16996 bytes |
SHA-256: 3243109b256c7653b44b90eb0fa117ac232dcbc6f7ac34e7726aaa1d6b1d5175 |
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font_02_sfnt_off0001369e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1369E | 10732 bytes |
SHA-256: 7efc6ceeed2e9a9b262bd5a0c0ce4fdf26c03b1d6cc2099ae6900534a745a85e |
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