MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a phishing attempt. It contains a link farm pointing to compromised WordPress upload storage and other disposable hosting, likely to redirect users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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://studioarchperissinotto.eu/userfiles/files/55493564795.pdf In PDF document text
- https://shoppingplanet.ro/ckfinder/userfiles/files/xigosulutatu.pdfIn PDF document text
- https://bhopalliteraturefestival.com/mpsdp/uploads/files/bugega.pdfIn PDF document text
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143b37b81f2b---52251990716.pdfIn PDF document text
- http://kag.fr/userfiles/file/25927899206.pdfIn PDF document text
- http://dealershop.es/userfiles/file/76554820767.pdfIn PDF document text
- https://clicksnepal.grnca.org/img/files/files/wokagogelodajudokiva.pdfIn PDF document text
- https://blnk.eu/userfiles/files/negalaxatezajef.pdfIn PDF document text
- https://kalashad.com/userfiles/file/zopejisupepikotobefopeze.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e842fc9e88---1311877446.pdfIn PDF document text
- http://vivaldiskibus.com/FileData/ckfinder/files/20210904_CDBBB606B5A3DEC5.pdfIn PDF document text
- http://www.jasolasia.com/image/upload/File/83550961454.pdfIn PDF document text
- http://shinaval.ru/userfiles/file/17465882785.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/106a330da6811c5058a5cbc955d4c1fe/laretilafitavora.pdfIn PDF document text
- http://carszana.com/image/upload/File/kumopipokedejivubebuvo.pdfIn PDF document text
- http://sake2metustin.com/uploads/files/libenu.pdfIn PDF document text
- http://le-nora.com/userfiles/file/57716681834.pdfIn PDF document text
- https://qfse.co/images/uploaded_files/ckfinder/files/1631547028_8914a78260.pdfIn PDF document text
- http://career-id.org/ckfinder/userfiles/files/4232860027.pdfIn PDF document text
- http://szkolka-wiercioch.pl/files/file/vizakov.pdfIn PDF document text
- https://asi-filter.pl/files/file/xovelekep.pdfIn PDF document text
- http://ferien-in-zahren.de/images/file/ladabeju.pdfIn PDF document text
- http://fgosvo.ru/files/files/sidusemutupe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=pixel+5+camera+modPDF 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_off0000ced8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCED8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e6ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6EF | 10400 bytes |
SHA-256: b586bd5a9353a1e4182a28d25c00f0b036010ef37d8e0b9c8e09b0a138b7d66b |
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font_02_sfnt_off0000fe7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE7A | 18460 bytes |
SHA-256: c4320a58330be9a4c370ec8e7b793a5d96453182e45657e3d85776a80c7b59d1 |
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