MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, but the presence of external links and the high confidence detection indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160971ead0b42c---devixefe.pdf In PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa1baf417b---kuveripomek.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160c05252039e8---98694128876.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b3b6bd8bf2c---migetapafulitazetadutimi.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/8aaeb98aca99f10a5ab665a1669d15d5/tawaji.pdfIn PDF document text
- https://panama4d.com/contents//files/kokumanovoboga.pdfIn PDF document text
- http://castrolmintabolt.hu/images/upload/file/52297717858.pdfIn PDF document text
- http://mikomisushiwc.com/uploads/files/951753401.pdfIn PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec711a94b1---zuvakabosarajejubekisu.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab5915e1bc---67599380916.pdfIn PDF document text
- http://steelbo.com/uploads/admins/u0/files/20210618021041.pdfIn PDF document text
- https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/8d0baad475faa08b9472b5b175ee5bc9/waxazu.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/024f51fdbc307811d7daeafd353631ae/laxibegolijitiniboga.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=quantum+electrodynamics+landau+pdfPDF 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://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001a857.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A857 | 2912 bytes |
SHA-256: 89849427cc5461cb49f1190984d0ac30cc0892ee8547ebb4a6b85c2e2e3e1293 |
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font_01_sfnt_off0001b2bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B2BB | 5464 bytes |
SHA-256: 9f054ff35f886029131378b05af6fb6b062b5d628a79733414df6769ac908bdd |
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font_02_sfnt_off0001c541.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C541 | 14888 bytes |
SHA-256: 08e3bbbb5f84229df5283fc4e88c25a928a1783570c66b963db56b7a2acb6c05 |
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font_03_sfnt_off0001f55c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F55C | 16568 bytes |
SHA-256: 45c4b6585f22a7ad28e6253cf869c66ce88a0b04a03f75574731a85050b35147 |
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