MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. No scripts were extracted, but the embedded links are the primary attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://xenang-mitsubishi.com/fckupload/file/10501511402.pdf In PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd3443507a4---58170769644.pdfIn PDF document text
- http://espacioschillout.es/images/admin/file/72329584664.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/rafolitav.pdfIn PDF document text
- http://asustainable.com/global/file/63687727729.pdfIn PDF document text
- http://nemdanangpho.com/uploads/2021-06-11/images/files/85412058242.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1608f47aa81cc4---7256719230.pdfIn PDF document text
- http://phanbonvbm.com/upload/files/83909454503.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ad97abb91d5---mosinonipilofadujuxowazi.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa868f17ae---xuwido.pdfIn PDF document text
- https://drinkpoint.com/uploads/files/10236257965.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1608080e54b391---395201107.pdfIn PDF document text
- http://hilltop1976.com/clients/24685/File/zemepil.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c31e862859e---85699251509.pdfIn PDF document text
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609db2001507d---vepabilitivepe.pdfIn PDF document text
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/190be4b280ede31632e88498a2b95f82/doguperepasenemalag.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/3u5l1o2uobhj5ljgbo0jq7bo85/63900743802.pdfIn PDF document text
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/p43cekouuuu3io4dqqv9io0tnn/59290184702.pdfIn PDF document text
- http://jjmcp.jp/userfiles/Image/file/59823367300.pdfIn PDF document text
- https://posaonakosovu.com/ckfinder/userfiles/files/xodegepumubupefi.pdfIn PDF document text
- https://delcinfo.ru/img/files/files/kafadonolisaluzidog.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160753704ca48b---23833008262.pdfIn PDF document text
- http://m2m2design.com/userfiles/61523511388.pdfIn PDF document text
- https://islandsvefir.is/wp-content/plugins/super-forms/uploads/php/files/9oqs13set4a0dpq044a2q5pnrj/rujegokujaneneko.pdfIn PDF document text
- https://hondamienbac.vn/userfiles/file/pabotixak.pdfIn PDF document text
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/eff9de075e4c12852b9e1cf3b19cab3c/61958649973.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=the+three+types+of+leversPDF 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_off0000f26c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF26C | 10240 bytes |
SHA-256: fbc4b01854ce622d7359909bd1bfd8bb7d26b70f98d020489a22367870128536 |
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font_01_sfnt_off000109a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000121b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121B7 | 17112 bytes |
SHA-256: 56262f6545e13081a12c3f88b283450deb716c2f8d3d60c3e77f36b6246601de |
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