MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm. These links likely lead to phishing pages or further malware downloads, aligning with a spearphishing attachment attack pattern. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://medvor.ru/uplcv?utm_term=it+looks+impossible+until+it%27s+done PDF link annotation
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/di3hvbb4fe1ug9rn1n1qlhd1t0/1387375122.pdfIn PDF document text
- http://ledseoul.com/userData/board/file/pikosomazaleku.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160726e0a93ba5---42056765822.pdfIn PDF document text
- https://skvely-kup.cz/files/file/42505661873.pdfIn PDF document text
- https://thucphamtruongxanh.com/Upload/files/bigezefusomatap.pdfIn PDF document text
- http://amoy-art.com/Upload/file/59781143509.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/hi4eaav0vphsn2ru6unfhqjscl/zafitolejanevinifima.pdfIn PDF document text
- http://tizianaiberti.it/userfiles/files/lisutevesifasufupotovutep.pdfIn PDF document text
- http://elazentrale.de/images/uploaded/file/12421178837.pdfIn PDF document text
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8dffdcad3---84781198694.pdfIn PDF document text
- http://0-50.ru/userfiles/file/wefujuzite.pdfIn PDF document text
- https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/a7fbcc1bf66d1a2b772c57601307af10/2941197611.pdfIn PDF document text
- http://morethancars.nl/uploads/edytor/file/puwidu.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/u0cedicfajl6ouag35msld8chg/54758195055.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1648d02d86---89015280146.pdfIn PDF document text
- http://www.awakohchang.com/image/upload/File/uzedaxepewoxut.pdfIn PDF document text
- https://kodcomputers.ro/2664/uploads/naniratilodotore.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/8f9e46ec454957ed3f24f8748348c1b4/xovopok.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a48250204d7---32154412337.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/53586629692.pdfIn PDF document text
- https://stopserv.ru/files/file/zibitixaxigojuk.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/124f3847bda335b49aeb8810ff0488b1/nuvunaputikudejas.pdfIn PDF document text
- http://garderoba.sk/images/_file/kujexizawajop.pdfIn PDF document text
- http://voxel-avocats.fr/uploads/file/tivibotoku.pdfIn PDF document text
- http://banglenhospital.com/UserFiles/File/3072765910.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_off0001092b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1092B | 10608 bytes |
SHA-256: 68b6a4ca7fd41f9635ae097a60207f0168503c74bce205ae92121b591480cb2c |
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font_01_sfnt_off0001212a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1212A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001393c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1393C | 16928 bytes |
SHA-256: e188be37792e9d264c7e488d13cf9967a77416dce508de3b164e7cc12d626438 |
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