MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with many URLs pointing to potentially compromised or disposable domains. The ML classifier and ClamAV also identified it as malicious, specifically a phishing trojan. The embedded URLs and the PDF structure suggest an attempt to redirect users to external, malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 https://specialgarden.ro/userfiles/file/89305048123.pdf In PDF document text
- https://073741256.com/uploads/files/202109172321333578.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16145b905ad865---39288361385.pdfIn PDF document text
- https://ehlibeytalimleri.com/resimler/files/bodezo.pdfIn PDF document text
- http://wxeina.com/userfiles/files/xunajoso.pdfIn PDF document text
- https://mavachhaiphong.com/upload/files/86558280181.pdfIn PDF document text
- https://proia.bg/userfiles/file/logimobexivuliw.pdfIn PDF document text
- http://solo-reisen.com/media/images/file/76382514579.pdfIn PDF document text
- http://konditsionery-reutov.ru/upload_picture/file/sabijegilunonowa.pdfIn PDF document text
- http://first-group.kr/ckupload/files/ravigafuxofesifaz.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e59349a6e4---zamekizagi.pdfIn PDF document text
- https://jewfri.kr/files/image/files/13689132635.pdfIn PDF document text
- http://diagcorlifescience.com/attachment/file/nasujowegiwivigalebevi.pdfIn PDF document text
- https://hydratrend.com/application/third_party/ckfinder/userfiles/files/telotumazuwimi.pdfIn PDF document text
- http://yuc-fac.com/uploadfiles/20210906143605.pdfIn PDF document text
- http://ourpreferred.com/userfiles/files/38533634180.pdfIn PDF document text
- http://www.veslovani-vsb.cz/soubory/file/25247157838.pdfIn PDF document text
- https://mundolibre.cl/uploads/userfiles/files/dorovaxemiletovenivi.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5c8d7e6cd---66059538730.pdfIn PDF document text
- http://sarica.com.tr/ckfinder/userfiles/files/30904178498.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/bb573898924cdd203ed88facd690a9eb/dotamevesowejo.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/52579218843.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=adult+game+apk+androidPDF 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_off0000adb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADB0 | 15324 bytes |
SHA-256: 520e828f66748a9435585bc7da7d84a481c22f491f31a384e33261a122296dae |
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font_01_sfnt_off0000d45e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD45E | 10740 bytes |
SHA-256: efa8219d242ee45bc9b616384123a98268e26e86d0040534162a5779b5c31b08 |
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font_02_sfnt_off0000eccc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECCC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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