MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. It contains numerous links pointing to compromised websites, specifically utilizing WordPress upload directories, suggesting a phishing or malware distribution scheme. The presence of a link farm on disposable hosting further supports this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/72960422d0c013c5db9f7a2529385317/kinokizoxepimema.pdf In PDF document text
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16086358ce0e63---fezavuvobaregeverile.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/bb2ddc0cbb7b5ff2b058fcd89f17654a/sexawosuji.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/fb4263c2c8862aa66fc6e924cd1f6adb/zoxosepariwagebutugibosi.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607df4ee4ce37---79995938328.pdfIn PDF document text
- https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/475d6e8621f325909bd374f961311789/14185370540.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609187f6699c0---xipumetunireseboxila.pdfIn PDF document text
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/8gmi8frh8r25n6akmjhtm3c4d7/84283745335.pdfIn PDF document text
- https://parklanehotel.asia/userfiles/file/10070678725.pdfIn PDF document text
- http://portalcom-b2b.es/img/user///file/_0273844001620026527.pdfIn PDF document text
- http://dolphinegypt.net/userfiles/file/78443077118.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/aovmmg7nl8mcm4prmulv8djak5/bowuzin.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083d861b997a---vawozinitidezuf.pdfIn PDF document text
- http://bajcsidavidfoto.com/_user/file/61288713133.pdfIn PDF document text
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/dfmvcpj7skvnj3qogmm0f98roe/fuvunefosatoko.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=incentive+spirometer+use+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://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_off0000d291.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD291 | 4936 bytes |
SHA-256: 4ae483ff3a6f7d22104026b6d7f655250058ded007885b5c5c35dc1aa83709a0 |
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font_01_sfnt_off0000e33f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE33F | 9996 bytes |
SHA-256: f4e305afc8fe439bfb246a4331bcd18f6f3d27e97584abf9d18fe765cb70658d |
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font_02_sfnt_off00010571.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10571 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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