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 containing a link farm pointing to compromised CMS upload storage and disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically a phishing trojan. The embedded URLs, while some are marked benign, contribute to the overall pattern of directing users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/731673d3a6b3c4cc8911c76815ec1cf3/48590401669.pdf In PDF document text
- http://a-mega.ua/images/uploads/file/58352779100.pdfIn PDF document text
- http://technoculture.cz/admin/upload/file/34316727601.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/16094407b17dcd---sedorubakofefopuda.pdfIn PDF document text
- https://drbumbnursinghome.in/ckfinder/userfiles/files/koposefuzajopedodanoba.pdfIn PDF document text
- https://bucatariizidite.ro/printuri-fi/files/dufuzaliperuk.pdfIn PDF document text
- http://giadinhlaurenso.org/upload/files/pamupofalidimadug.pdfIn PDF document text
- http://mispuntossaga.com/campannas/file/gizir.pdfIn PDF document text
- https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/4a0571eddad9480242675334ebc4b60e/kewatawa.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1609dcac361821---22881415025.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/16086293b8cd96---wixolekamudotaredolunix.pdfIn PDF document text
- http://piqiso.ru/userfiles/file/53687892681.pdfIn PDF document text
- http://csc0731.com/userfiles/file/20210629222748_0y7v9p.pdfIn PDF document text
- http://unicaconsultoriarh.com/images/files/19813485114.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16082219e886da---bunaxime.pdfIn PDF document text
- http://soupworld.de/upload/file/96120554850.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/37898108695.pdfIn PDF document text
- http://cn-polylysine.com/d/files/zejemikojifugagakokugiv.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/idmrd89p3r65de1hj9udna0kg6/judubizasefebobobotu.pdfIn PDF document text
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/061ea855087e846bd1ca7846c00a6aed/91728880199.pdfIn PDF document text
- http://bfr-bialapodlaska.pl/userfiles/file/daxedejuzaxoje.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=having+a+blast+meaningPDF 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_off0000efc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFC3 | 17728 bytes |
SHA-256: 65881cc56b318fb915d2c149cc949ef8934f85fddcb9221643c3eced7e857205 |
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font_01_sfnt_off00011dd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DD8 | 10428 bytes |
SHA-256: ac2ff37e54b959fd85b5ec7dacd9aaaf2c3d72c0bf0ef0b9fa3816ef67c00ac8 |
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font_02_sfnt_off00013573.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13573 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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