MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://anpheatingandac.com/nbloom/fckuploads/file/1561065198.pdf In PDF document text
- http://website-design-company.in/dev3/damodar/ckfinder/core/connector/php/userfiles/files/27429202041.pdfIn PDF document text
- http://studiotecnicopetrillo.eu/userfiles/files/1511679120.pdfIn PDF document text
- https://hometutorsdelhi.com/userfiles/files/vetisebemaweg.pdfIn PDF document text
- https://butchercurnow.com/img/shop/contents/71014086352.pdfIn PDF document text
- http://indigobaby.eu/upload/files/gitogopilumezebefeditafoj.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16138ea96a3760---43781071315.pdfIn PDF document text
- https://mgc.to/sites/web/upload/files/29846355050.pdfIn PDF document text
- http://bassonconsulting.mc/userfiles/file/41604267792.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16130f89082689---67551679547.pdfIn PDF document text
- http://poexali.org/static/image/_u/system/files/nolakiboreto.pdfIn PDF document text
- https://ihotel2b.com/upfiles/editor/files/puravutolabekupoleta.pdfIn PDF document text
- http://alexdisinfestazioni.com/userfiles/files/vidoziw.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5516124be---16622640702.pdfIn PDF document text
- http://emannsltd.com/userfiles/fokerivu.pdfIn PDF document text
- http://finemetal-cn.com/upload/files/44178573359.pdfIn PDF document text
- http://boldogelet.hu/media/mepexinokuwavabofat.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/161389b2bbe99f---wiguwutiruxifaxunalikif.pdfIn PDF document text
- http://www.slenderclub.cz/ckfinder/userfiles/files/10132591089.pdfIn PDF document text
- http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/40170518874.pdfIn PDF document text
- https://livstyle.ro/home/livstyle/public_html/uploads/files/28375051877.pdfIn PDF document text
- http://bwc.lt/i/97391303415.pdfIn PDF document text
- http://duda-tech.pl/dudatech/upload/file/32756177493.pdfIn PDF document text
- http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/tojepafefug.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=an+introduction+to+zen+buddhism+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://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_off0000c04d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC04D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d85f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD85F | 17328 bytes |
SHA-256: 89f20888887c3451aa6fcddd801a7526afb1128b6f0a792bd480fc5c5a1fae76 |
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font_02_sfnt_off000104e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E9 | 10956 bytes |
SHA-256: 426b486b1c45ac4e2aeb0f08bbd15c3ff0f383f91e8ac3e98d83735709a94966 |
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