MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm directing to multiple compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and URLs point to a malicious link distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/3346b5a3352315725bc0b0dbf0f4e3ba/65518509620.pdf In PDF document text
- http://agendatourvietnam.com/hinhanh/file/76943646785.pdfIn PDF document text
- https://bestofbucerias.com/upload/file/14758399664.pdfIn PDF document text
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16111f5fd102b1---sunaxibixozolexupag.pdfIn PDF document text
- http://ed-web.cz/userfilesfile/satumiwuweva.pdfIn PDF document text
- http://xn--80adic7alej3d.xn--p1ai/userfiles/file/4015333121.pdfIn PDF document text
- https://gotoko.com/cmsv2/upload/files/viwur.pdfIn PDF document text
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/12299975383.pdfIn PDF document text
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/58cea3298753193cb86ead1eefacf704/51911985082.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/rudejisarubemabiwapapa.pdfIn PDF document text
- http://novosib-sport.ru/ckfinder/userfiles/files/47533637273.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/73009500825.pdfIn PDF document text
- https://phucatgarment.com.vn/ckfinder/userfiles/files/4828652766.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160edc51784be5---sinuse.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b664fa79590---dadixol.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=wal+katha+2017+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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c396.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC396 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dbad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBAD | 10308 bytes |
SHA-256: 7745b1139c07d157293e9c0d5b803a3f66aba470c2bf19fa93850ecf9533eeb7 |
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font_02_sfnt_off0000f327.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF327 | 18332 bytes |
SHA-256: c30d9881ba67135d5ddff30aa45059ac5773e007c398d67a847bd9cefcae84cb |
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font_03_sfnt_off00011038.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11038 | 2568 bytes |
SHA-256: 37c53edc0de1878378de787f04186f582080de462bf6ff0ded7f0c56c9ae7088 |
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font_04_sfnt_off00011b43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B43 | 24784 bytes |
SHA-256: 1902a764540639694063b3a5fcb6a13beaa04268dc981a48202278dae75714d2 |
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