MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm with numerous URLs, several of which point to compromised WordPress upload directories, indicating a potential distribution point for malicious content. The presence of these links suggests the document is designed to lure users to external sites, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://muguet.fr/sites/default/files/file/37428964644.pdf In PDF document text
- http://everestlodgelukla.com/userfiles/file/20094283231.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f78806bee1---nimatosokonaxiloropiv.pdfIn PDF document text
- http://stroykap.com/application/views/stroykap/userfiles/file/fafefij.pdfIn PDF document text
- https://ckfinder.pamlskovnik.cz/ckfinder/userfiles/files/98431037396.pdfIn PDF document text
- https://kemxoithanhhang.vn/app/webroot/files/images/pages/files/37506525812.pdfIn PDF document text
- http://a1climbing.com/userfiles/files/89011726303.pdfIn PDF document text
- https://cplastik.com/data/cms/file/29852205466.pdfIn PDF document text
- http://the-bom.kr/upfile/files/53792011457.pdfIn PDF document text
- https://terrebleue.org/userfiles/file/xuxufegowetaxixeri.pdfIn PDF document text
- https://actaviaserica.org/board/file/files/zirarupuwojimovisug.pdfIn PDF document text
- http://kokocurry.gm/userfiles/file/24072181665.pdfIn PDF document text
- http://fc-junajted.com/upload/datoteke/sagidegibaratiz.pdfIn PDF document text
- http://swatimishra.in/uploaded_files/userfiles/files/64215951748.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/fb904c35d0e15c02c353e6c364a1a0bc/teropamafezaguzeb.pdfIn PDF document text
- http://rymwid-training.com/userfiles/file/lelifukemek.pdfIn PDF document text
- http://52963566.com/upload/file/202109102259320173.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/1k171epm9vn9batn32m5f88l1r/83036299212.pdfIn PDF document text
- https://profipreklady.cz/www/ckfinder/userfiles/files/34615045858.pdfIn PDF document text
- http://sofia-es.tokyo/yamituki-n/uploads/files/pejajiroveruneloriridimil.pdfIn PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/e033ea10d28135f911e8f23a4f0c03e1/70719216222.pdfIn PDF document text
- http://mlight.cz/archiv/file/54095613861.pdfIn PDF document text
- http://ikhmongol.mn/ckfinder/userfiles/files/gokofa.pdfIn PDF document text
- http://xn----ctbguteehkho5h.xn--p1ai/ckfinder/userfiles/files/sapenubumuretesopo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=tube+tubemate+app+downloadPDF 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_off0000b261.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB261 | 14512 bytes |
SHA-256: 5ea320def7461e2b20fb687de0e53db9485a2a1a7e8fdb87b4682f81897d8f65 |
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font_01_sfnt_off0000d64c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD64C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ee63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE63 | 10480 bytes |
SHA-256: 11c3f5d47ee285ce3bc8a5dcc3599d8e1cec7206fe7296e19027ae005df57247 |
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