MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous embedded URLs that point to compromised CMS uploads and disposable hosting, likely to redirect users to malicious content. The presence of multiple external URIs and a link farm structure suggests an attempt to lure users to external sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 https://kfk-dekoration.dk/images/uploadedimages/file/xemabideniso.pdf In PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/75888d57bb19552517b275f561e0f97a/46738190446.pdfIn PDF document text
- http://hnfhdc.com/UpLoadFile/2021090502561714442.pdfIn PDF document text
- https://kingbakerypans.com/userfiles/file/xojetofupo.pdfIn PDF document text
- https://nirkongrp.com/ckfinder/userfiles/files/muxuxa.pdfIn PDF document text
- https://angel-juicer.com/FileData/ckfinder/files/20210905_FF13DF893D1BDCDC.pdfIn PDF document text
- http://homeloanz.net/images/e/file/marape.pdfIn PDF document text
- https://108pizza.pl/uploads/userfiles/files/27372529987.pdfIn PDF document text
- https://cupanghitam.com/contents/files/bekimodavizimipa.pdfIn PDF document text
- https://ceccardolj.ro/userfiles/file/tivesuwovusitikazes.pdfIn PDF document text
- https://infotechb2blite.com/bot/ckfinder/uf/files/59199286928.pdfIn PDF document text
- http://www.corazondelsol.es/ckfinder/userfiles/files/22610153435.pdfIn PDF document text
- http://billedbutikken.dk/articlefiles/file/zoxaxowuladapute.pdfIn PDF document text
- http://tauroconsulting.pl/userfiles/file/49993527880.pdfIn PDF document text
- http://szjg.hu/images/file/10047557642.pdfIn PDF document text
- https://cecprint.com/images/file/46946421654.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/02bdc01d84f41f0297476a0e38b44b45/7905916892.pdfIn PDF document text
- https://ldcpc.com/ckfinder/userfiles/files/bujibam.pdfIn PDF document text
- http://nandishoverseas.com/UserFiles/File/82058920373.pdfIn PDF document text
- http://alrabbancapital.com/file/files/24712439694.pdfIn PDF document text
- http://uniquehotelsolutions.com/files/others/xisodefatamefegavixoviwiv.pdfIn PDF document text
- http://grotech.in/userfiles/file/14540601662.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132182cdedb6---wixazevadijabajanub.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=difference+between+constructivism+and+social+constructivismPDF 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_off0000de6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE6F | 18692 bytes |
SHA-256: d195ed7ddbfb9bff5707f87e7c01ec5c3d08dfc29caa5a11689570814b0ac373 |
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font_01_sfnt_off00010ed4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ED4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000126eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126EB | 11032 bytes |
SHA-256: 8c30887efb8594d1870b1001c9922e72d7b5315f1e2fa7ca3f2d086423c1e920 |
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