MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious destinations. The presence of external URIs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://oniceh.ru/uplcv?utm_term=cultivating+intimacy+with+god
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/3mjiabiq4vhaunkevk0o3373h4/kufakavupegepowokizudami.pdf
- http://sevimticaret.net/userfiles/file/4572136284.pdf
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9b50982d6---13603900819.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082065802b61---vububoseraxofewoku.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4248952238---kijulanolejikidenu.pdf
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609137ecde1b9---teresatobevisenepej.pdf
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160af6de13ddc1---pivisagutevu.pdf
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a8113ec92d3---46902313898.pdf
- http://greenplanetnepal.com/userfiles/file/30047736425.pdf
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071700fc2814---buxegesi.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/4c75f437342fe5674cf1366d3ea2c0ff/gumitilogivezaxap.pdf
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f60a9898a1---78440660612.pdf
- http://nakatka.com/files/file/96869710853.pdf
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ede0616049---94231996375.pdf
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/a57f9994c04b80b08ecb082b7c595250/14416186274.pdf
- http://nhakhoasaigonkimcuong.com/uploads/images/files/lirijixatirup.pdf
- https://bangprice.combangprice.com/beta/cms_image/file/zasafozemomikog.pdf
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/0d03qratcbtliav5tn2pfk9br2/besosef.pdf
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a72aeb0864---mewojofazute.pdf
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b694c1f2a3---43726129115.pdf
- http://frangarcia.eu/upload/file/lezokunumepeti.pdf
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/am07lmf9vff3i3d8l4i2qfdip9/81397620343.pdf
- http://www.egavilanes.com/ckfinder/userfiles/files/32082583912.pdf
- http://jentretiens.ch/uploadimage/3577200600.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f261.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF261 | 16792 bytes |
font_01_sfnt_off00010a73.binaa46493d3c59e96582604ef069ae82579a75461c327274a96bc7fad4d4da8a71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A73 | 16768 bytes |
font_02_sfnt_off000135b3.bin09206001f3bc611a9976f8ee5985dd103830bc8c2f6279ce6fc5877aba0b8a69 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135B3 | 10816 bytes |
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