MALICIOUS
196
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 a large number of embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution campaign. The presence of these links indicates an attempt to redirect the user to malicious content, likely for credential harvesting or further infection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://queure.ru/uplcv?utm_term=telegram+old+version+ios PDF link annotation
- https://tivicom.vn/upload/files/42810352620.pdfIn PDF document text
- http://clinicaveterinariacittadivignola.com/userfiles/files/85662316287.pdfIn PDF document text
- https://armagedonspedycja.pl/files/file/67468368735.pdfIn PDF document text
- http://sieuthibds.net/images/files/29523613632.pdfIn PDF document text
- https://vidaleve.ind.br/ckfinder/userfiles/files/8768206764.pdfIn PDF document text
- https://ip-pharma.net/data/files/xiwuzoruledil.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/1691e9ff9fce8aab1e22c9442c3c60ca/37564637128.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16140338552c5e---26740675337.pdfIn PDF document text
- http://fewo-spreewald-schoetzigk.de/brandenburgtag/img/editor/file/25799041445.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1613793429ad11---66594435445.pdfIn PDF document text
- http://longarmquiltacademy.net/fckeditor/userfiles/file/84470806113.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/cv29q1rve66covfne37k4cbpba/fojizatakibesasigob.pdfIn PDF document text
- http://praguetransfer.com/files/file/32086252870.pdfIn PDF document text
- http://muasamhangmy.com/ckfinder/userfiles/files/firajivimuwir.pdfIn PDF document text
- http://xn--3e0b556bhrbowi6undva.com/ckupload/files/netefes.pdfIn PDF document text
- http://namadagaskare.ru/ckfinder/userfiles/files/xanozekaviwoviwupanifuxu.pdfIn PDF document text
- http://generoussecurity.com/uploads/22022918579.pdfIn PDF document text
- http://gesundezellen.com/neu/userfiles/file/zupaseviguruluxut.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_off000124fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124FE | 10520 bytes |
SHA-256: 41bf113efa71c224d6ed915119980d843e0cc743f842d459a3287db16e62c40f |
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font_01_sfnt_off00013cb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CB7 | 18600 bytes |
SHA-256: 6ffff274ee0cdcdda72ce4268f7ac387bf917ecad519b94d22c240a09e180a86 |
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font_02_sfnt_off00016d3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16D3F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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