MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The embedded URLs and the overall structure indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://irlanc.ru/uplcv?utm_term=12th+maths+book+pdf+free+download+state+board PDF link annotation
- https://balbok.net/admin/ckfinder/userfiles/files/48082937722.pdfIn PDF document text
- http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ae1814570---92483786757.pdfIn PDF document text
- http://evolution-dev.com/file_media/file_image/file/toxije.pdfIn PDF document text
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/9d5f7f76dfd67e22db89ace7b89eed4e/74063241514.pdfIn PDF document text
- https://charlesstreetvideo.com/userfiles/file/73296097584.pdfIn PDF document text
- http://studioriboldi.eu/userfiles/files/89083147360.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c93da4d55d7---pimezawodurodofidabubano.pdfIn PDF document text
- https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/si7g8n5be6jf2nta9uh6jjfecn/dikotoguxejilut.pdfIn PDF document text
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1acadc82fa---wipipifuxorabakuxaxulodo.pdfIn PDF document text
- https://x-software.cz/data/file/metufeda.pdfIn PDF document text
- https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/3ece8dea1defba7c16ac30784cb79087/37473592038.pdfIn PDF document text
- http://siciny.pl/userfiles/file/pisagumujimedifujuj.pdfIn PDF document text
- http://songhakbbq.com/uploads/files/jajonis.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160f4d90b188fb---42247124216.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f61bdb8534---tegejozob.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728947de9a3---zusejijevakidikuku.pdfIn PDF document text
- https://bk.knu.ac.kr/ckfinder/userfiles/files/jofafuvikalawe.pdfIn PDF document text
- http://pwr-tech.ru/userfiles/file/ripojimuzovesu.pdfIn PDF document text
- http://asckhn.com/acskhn/userfiles/file/93836862286.pdfIn PDF document text
- https://mclandpin.com/calisma2/files/uploads/61234747022.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/4u9adno4dglph03cvq0lqo4ahd/87509013812.pdfIn PDF document text
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c722f9e11f9---motuxiwakenametumilujoxa.pdfIn PDF document text
- http://cherryontop.pl/upload/fotki/file/83443351380.pdfIn PDF document text
- http://fd-health.com/upload/ckeditor/files/berosuvamatepin.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/78010406d7f728cac3f49b8a04b4fb5d/papurapuvonedurumaje.pdfIn PDF document text
- 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_off0000bb52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB52 | 11064 bytes |
SHA-256: 67f04f8212068921d22d41a67275ff76f598a846e7a2b64bbaa18a00be32512d |
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font_01_sfnt_off0000d4d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4D6 | 16748 bytes |
SHA-256: 90fbcce4dddd9f1839b8da2b38f97623b9e52cd9e8f8dcf3f8b9a3f032ca9ae6 |
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font_02_sfnt_off0000ffb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFB2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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