MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or are part of a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the structure and URL patterns suggest a phishing or malware distribution lure, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://tnmetalworks.com/images/files/gikaxonagolejidaweta.pdf In PDF document text
- http://01host.ru/userfiles/files/xirorudol.pdfIn PDF document text
- http://prunay-en-yvelines.fr/ckfinder/userfiles/files/15504751165.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/bc4fd2828f746bda57c9ea669f3570ce/lulubanalasajanuvodu.pdfIn PDF document text
- https://triatlonshop.cz/userfiles/file/kovodel.pdfIn PDF document text
- https://www.mtiwelding.co.uk/admin/ckfinder/userfiles/files/xuboruselofilulaziwow.pdfIn PDF document text
- https://sainaudit.mn/File/luzabisodiditiva.pdfIn PDF document text
- http://zamdq.com/filespath/files/20210905205305.pdfIn PDF document text
- https://kenhquangcao.vn/uploads/files/41178973484.pdfIn PDF document text
- https://indicaperu.com/userfiles/file/derumumuto.pdfIn PDF document text
- http://ipayon.com/root/FCKeditor/file/74980641191.pdfIn PDF document text
- http://guojingmall.com/userfiles/file///sovaruvo.pdfIn PDF document text
- https://iphone-odklep.si/vsebina/42553725706.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/kg0oer7c3phhq8bti66sal4pi3/67304606786.pdfIn PDF document text
- http://autovoda.ru/upload/files/patinik.pdfIn PDF document text
- http://hoachathoanggia.com/userfiles/file/lezarovopudoderopafisopus.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613eeb4d7b93a---82226622268.pdfIn PDF document text
- http://phamtrangia.site/upload/files/55149138923.pdfIn PDF document text
- http://chuabenhxuongkhop24h.com/images/files/denimamegalu.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1613324e78e834---kenozifekulanifejudutosaz.pdfIn PDF document text
- https://mabuksusu2.com/contents/files/1379474326.pdfIn PDF document text
- http://tageedesign.com/ssmpt/documents/file/siduwizalo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=android+apps+tutorials+for+beginnersPDF 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_off0000f760.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF760 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010f77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F77 | 10896 bytes |
SHA-256: ace779e2c86f8659c4428b594eeecd9254bfca22759e6b9e8872e93406a9d91b |
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font_02_sfnt_off00012858.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12858 | 18920 bytes |
SHA-256: 9fdd7826b3be08e996f1c982b7c5e871f6b154f40670e21f98fa3a86bb6f4d25 |
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