MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, and the document body was unreadable, but the heuristic findings strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://umrllc.com/userfiles/files/purisopujo.pdf In PDF document text
- https://resulgame.com/calisma2/files/uploads/483284682.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ce42b18396---40590179651.pdfIn PDF document text
- http://el-master.ru/userfiles/file/dopixuxup.pdfIn PDF document text
- http://tipiland.net/upload/file/11323976161.pdfIn PDF document text
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/adae74c33abbd9cded1b47d553b81c9d/17442703395.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/1574ae7bda43a83a5916146a483bfd2f/76802970022.pdfIn PDF document text
- http://area100impianti.it/userfiles/files/rejikinobepilet.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c4a8f2eb5cb---70577295122.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/d6a9d72d2fd83789b08f3ec93af5d698/32483572679.pdfIn PDF document text
- http://kahounova.cz/userfiles/file/23793104502.pdfIn PDF document text
- http://berrybucs1973.com/clients/3/3a/3a2d6910be1067feaf6dc79f90d505e0/File/11251911052.pdfIn PDF document text
- http://mulroyenvironmental.ie/userfiles/file/bemisatokirupiwiziwaf.pdfIn PDF document text
- https://berettyotv.hu/userfiles/files/93259941091.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160c38b936d8e6---rowilu.pdfIn PDF document text
- https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/4772e2b07c3ba7e9ccbcee1d9953a36c/38433197917.pdfIn PDF document text
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160991ce6a562f---puwomevukagusepa.pdfIn PDF document text
- https://eastmangroup.org/ckfinder/userfiles/files/gapopije.pdfIn PDF document text
- http://menloathertonhigh1980.com/clients/6/6f/6f83464fe0b13873896cace574d4baa5/File/zanazejolasa.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160792a782737b---8731843379.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/bde4038c64272279102a76ee024662c0/82329219508.pdfIn PDF document text
- https://jungleflightchiangmai.com/Uploads/files/kamedurebinu.pdfIn PDF document text
- https://777mto.org/contents//files/16423465739.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/494920da21dbcbe16626a2dba5282ab1/zakejiradi.pdfIn PDF document text
- http://komputerzagrosze.pl/userfiles/file/fosuvezegagaka.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=statement+of+research+interests+samplePDF 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_off0000ec94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC94 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104AB | 10820 bytes |
SHA-256: 22b0955b091a9bec5d7b7b51a97a6a0eda58ef4703421e95531c1c99bfd51d90 |
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font_02_sfnt_off00011d5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D5C | 17920 bytes |
SHA-256: 07f1a5464023298c69f1bf62a84bbe5a5d53e2b5769803d0cbadc9779d548e7d |
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