MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and a link farm structure, indicating an attempt to redirect users to external sites. The presence of embedded JavaScript and a high ML classifier score further support malicious intent. The ClamAV detection as Pdf.Phishing.Trojan confirms its malicious nature, likely serving as a lure for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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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 https://1000families.eu/userfiles/file/rosix.pdf
- http://ingpiazza.eu/userfiles/files/fupolitezagi.pdf
- https://inijariku.ugdherbal.com/ckfinder/userfiles/files/78972592933.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147b40deebfe---ziwidaxenugulepivuv.pdf
- http://tylincms.com/userfiles/files/bitireviso.pdf
- https://ylwlgwadmin.ylwl.cn/upload/files/92294455149.pdf
- https://mk-promotions.com/ckfinder/userfiles/files/degawikobuvimivopisefa.pdf
- http://didula.ru/img/file/ganewa.pdf
- https://blsautomation.com/ckfinder/userfiles/files/belupe.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/161416d0f435e4---62129955828.pdf
- http://carneiro-sa.pnh.pt/js/ckfinder/userfiles/files/bozikinozuv.pdf
- http://abwferrellpkwy.com/uploads/files/nuwezowolirijebowav.pdf
- http://angelofthewinds.org/ckfinder/userfiles/files/96995449953.pdf
- https://fluffy-chins.com/images/file/vijemonoruwivutagi.pdf
- https://ltes2.tw-goods.com/UserFiles/files/41061554468.pdf
- https://karpzbeldowa.pl/uploads/userfiles/files/mizefodol.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613740f7407f7---69609134558.pdf
- http://zbigniewrodak.pl/galeria/file/suwerejuluparuvuzo.pdf
- http://magdrywall.com/project-new/christianbook/upload_images/file/307905981.pdf
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139f7802cd4b---37439825666.pdf
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/161387fb8380a9---35368489838.pdf
- https://sandp-engineering.com/ckfinder/userfiles/files/57930277882.pdf
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/ddfc926e63b2c16b68d42e4b62d6a1a4/53439545406.pdf
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1612fbfbe673eb---bumegotodipefunet.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=azee+photo+editor
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d4dd.bin44a18fb4aca65c6a1b19a0d33b1cbc89582b4d71237cee79474c08b0d89d8bcc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4DD | 17860 bytes |
font_01_sfnt_off0001036b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1036B | 16792 bytes |
font_02_sfnt_off00011b82.bin1e6ce9d2d89307a0a5817a415f2623e2816fd4c4084b97fdce1e720b1e8b0a57 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B82 | 10052 bytes |
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