MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains numerous embedded URLs, many of which point to potentially compromised or disposable hosting. Heuristics indicate this is a link farm designed to direct users to external sites. ClamAV and ML classifiers confirm its malicious nature, 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 http://ubest.ru/images/file/lemew.pdf In PDF document text
- http://webspace.mysdam.net/images/newsletter/files/89509288452.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145185661801---8414539818.pdfIn PDF document text
- http://www.farimar.pt/imgs/uploads/45546696211.pdfIn PDF document text
- http://lejonhund.com/upload/29068865326.pdfIn PDF document text
- https://impulsa.mantareys.net/uploads/plantillas/files/velatugofunigizawopuvopu.pdfIn PDF document text
- http://sentezetutmerkezi.com/upload/ckfinder/files/91150183847.pdfIn PDF document text
- https://umutfm.com/resimler/files/2090128625.pdfIn PDF document text
- http://tucholainfo.pl/userfiles/file/jelelefewotozejarataxur.pdfIn PDF document text
- https://leo.tw/upload/ckeditor/files/69272722690.pdfIn PDF document text
- http://jadeite.ru/images/file/65592730255.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16135cbcd8d8a7---wudutovivuronexijetepevem.pdfIn PDF document text
- https://www.auto-ecole-rive-droite.fr/ckfinder/userfiles/files/padafolomi.pdfIn PDF document text
- https://auditorescr.com/ckfinder/userfiles/files/87505634796.pdfIn PDF document text
- https://www.solucionaesp.com/ckfinder/userfiles/files/suwigexabomef.pdfIn PDF document text
- https://suncables.co/images/file/85496679796.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/71ea993b8e013ca9381ab8366e0fd4f3/40663686244.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/161336e89d555f---wopawexasivefe.pdfIn PDF document text
- https://pankajplast.com/ckfinder/userfiles/files/rulakonosu.pdfIn PDF document text
- http://mingmitrcoffee.com/user_img/files/61257825503.pdfIn PDF document text
- https://gadesign52.com/uploads/files/202109010420558701.pdfIn PDF document text
- https://skywaytravelandholidays.com/ckfinder/userfiles/files/17412856904.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=cindy+alvarez+garciaPDF 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_off0000b502.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB502 | 10428 bytes |
SHA-256: ab0fed15ebf58abe05c8c93af07ce64705a5b6681fe513fe8edeabef9e5eae58 |
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font_01_sfnt_off0000cc91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC91 | 17176 bytes |
SHA-256: 07afc1af92d51fd68ab1d2a136080ebb49992a207a1d20c3009a2fbb807eb274 |
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font_02_sfnt_off0000f8f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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