MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites. Heuristics indicate this is a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608262b9d4161---1111167234.pdf In PDF document text
- http://palakkadtourism.in/ckfinder/userfiles/files/88043295378.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160baaf0276b90---takerulodoxavupulo.pdfIn PDF document text
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/buvi814jk4s9h0ner6gvo85m03/15778170339.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/dotagujupojebebojiwo.pdfIn PDF document text
- http://mariopresto.pl/userfiles/file/wojidodonir.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/e61df357beff90972ec1523476ca8513/bodunoj.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609765f75d569---43423639461.pdfIn PDF document text
- http://nghiencuuykhoa.com/uploads/userfiles/file/2139201301.pdfIn PDF document text
- http://sanphamhanquocymy.com/uploads/files/gadobuxufoxivipum.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a2c1d9f146---tapugav.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16075bca6ec129---17095461023.pdfIn PDF document text
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/7aa0c50f167026a95e177a809721cd4f/lapuladatisezi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=gt+walsheim+pro+font+free+downloadPDF link annotation
- http://irodori.kir.jp/files/file/12653632043.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c0b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0B8 | 3868 bytes |
SHA-256: 3a84d2585f170d4ce834d7b6e10426cfe0f320a91811390763f4e446942c77c5 |
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font_01_sfnt_off0000ce78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE78 | 5404 bytes |
SHA-256: 815935071dce6171bc0f43b2a9458c22230e7ce0fdfebde842de2646cfa5163d |
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font_02_sfnt_off0000e0be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0BE | 8884 bytes |
SHA-256: d5ddb7e7574dec56c403bfbb10229d16547539b5f468662b6e0c5e33ae9ee85d |
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