MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised CMS upload directories, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and link farm indicate it's designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a31094d9da7---totidukipoji.pdf In PDF document text
- http://biomisszio.hu/tmp/32903745563.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160726ebb94a77---goxox.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/1e4a1e7a3f076c94910b1854fcf94b4e/gipudenevagodobigosasemu.pdfIn PDF document text
- https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/4a3b1c7495aef2564bbc492b88d31b86/90705715470.pdfIn PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16096d74b04371---32380396597.pdfIn PDF document text
- http://legendtec-eg.com/wp-content/plugins/super-forms/uploads/php/files/0n0fv494tlukqp19jrn6s9hme4/7990963581.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160802cd5bd451---fenikuxab.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/6af48eff7282ba18d13e6f8c75d05806/33699365717.pdfIn PDF document text
- http://kcde.kr/userfiles/file/wirubaxozababadobepimuz.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/mupp1fu109jm54ui3u2btu81c4/36212359562.pdfIn PDF document text
- http://suamayin.biz/userfiles/file/xiragefujon.pdfIn PDF document text
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/93518749a91c697b20cff4e74544ee02/15116573465.pdfIn PDF document text
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/33f79facee6ee86598499f2870df0bae/mimejorisisob.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=how+much+for+maine+coon+kittenPDF 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_off0000e2f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB0B | 16956 bytes |
SHA-256: dc998d2ba480af7d179768817b42261f64c3138d5b20ac1d32e2823f526edca2 |
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font_02_sfnt_off00012720.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12720 | 10656 bytes |
SHA-256: c16921e5bfed03f2ca8ed6cee0bc39f4f633e49cd240562400af0ea0d3d6a29f |
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