MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were directly extracted, the nature of the embedded links and the detection signatures point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://cr2tek.com/userfiles/Proj_Name/files/25515394941.pdf In PDF document text
- https://biroestarsa.hu/uploads/file/38499199314.pdfIn PDF document text
- http://machinesupplier.cn/data/product/file/2021920_153416_816.pdfIn PDF document text
- http://aotwcasino.com/ckfinder/userfiles/files/rowenol.pdfIn PDF document text
- https://hippodrome-compiegne.fr/www/uploads/file/51301411369.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/161451c26dce7a---josavadefivolosejigo.pdfIn PDF document text
- https://retta-bg.com/userfiles/11827629669.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/16140e8730e51d---94374381514.pdfIn PDF document text
- https://cfi-registration.org/buzzboxgift/img/userfiles/files/fevanuwakamosiv.pdfIn PDF document text
- http://abwnickersonplaza.com/uploads/files/zixinodalegabime.pdfIn PDF document text
- http://daeryuhealthcare.com/ckupload/files/wodozuke.pdfIn PDF document text
- http://encino.kopanramen.com/uploads/files/68055551729.pdfIn PDF document text
- https://gtnet-engine.com/ckfinder/userfiles/files/19668654507.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/83858633692.pdfIn PDF document text
- http://cmsrecuperocrediti.it/images/file/wuxofekewunenoditelavib.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/90f8a1b9230c42fea216c5a091a8748c/latavodogumopa.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/cc15cb4e8927dd0974398574dfffa526/95751241384.pdfIn PDF document text
- https://maximatrimony.com/ckfinder/userfiles/files/35638322532.pdfIn PDF document text
- https://amrapalispot.com/userfiles/file/jisitafigerel.pdfIn PDF document text
- http://americasbestwingsbeltsville.com/uploads/files/91060975860.pdfIn PDF document text
- https://leonardscopysystems.com/home/leonards/public_html/ckfinder/userfiles/files/45071943621.pdfIn PDF document text
- http://didula.com/img/file/20613331405.pdfIn PDF document text
- http://mingzhicc.com/userfiles/files/50977888398.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=can+i+use+xbox+360+controller+on+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_off0000af37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF37 | 15600 bytes |
SHA-256: b59aa98986eb6761fe68086338dad38820d4c5580c592917cc5b6ece79f88ef0 |
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font_01_sfnt_off0000d6fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6FC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ef13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF13 | 11200 bytes |
SHA-256: be3f28cd5c16da0f84b447e5951e04f0e9bc00894eef7028fe4ee0301805d33a |
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