MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and a large number of external links, indicating a malicious intent. The ML classifier and ClamAV detection strongly suggest this is a phishing or trojan delivery mechanism. The embedded JavaScript likely facilitates the redirection or download of a secondary payload, while the numerous external links, many hosted on disposable domains, are characteristic of SEO link farms used to distribute malicious content or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://fecuq.co.za/YmrXLWy8?keyword=what%20lexile%20level%20should%20a%207th%20grader%20be%20at PDF link annotation
- https://surevasod.weebly.com/uploads/1/3/1/8/131856145/7358352.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16234ff9ee52dc---wonutagawararujokajik.pdfIn PDF document text
- https://sixoribena.weebly.com/uploads/1/3/4/8/134848884/b742b5e162c0.pdfIn PDF document text
- http://hotel-farida.ru/files/files/54855745315.pdfIn PDF document text
- https://nukofagola.weebly.com/uploads/1/3/4/8/134883999/8669922.pdfIn PDF document text
- https://mivubifazexaj.weebly.com/uploads/1/3/4/3/134381565/vamopegawa-jakuvo-wafofajuzape.pdfIn PDF document text
- https://berekimitavogi.weebly.com/uploads/1/3/1/4/131452750/1659d9edb28.pdfIn PDF document text
- http://com123.vn/uploads/file/40512005951.pdfIn PDF document text
- https://repamepofasepa.weebly.com/uploads/1/3/1/4/131437198/1464937.pdfIn PDF document text
- http://www.abcklima.hu/data/editorfile/kolikudenuparulosajilux.pdfIn PDF document text
- http://thevisionkharj.com/userfiles/files/72955375093.pdfIn PDF document text
- http://ebrinteractive.com/userfiles/file/37553357579.pdfIn PDF document text
- https://wezawitulenif.weebly.com/uploads/1/3/4/3/134338426/nuxajejako-zozipa-reginawenakew-lereguwisa.pdfIn PDF document text
- https://nudonadutosaj.weebly.com/uploads/1/3/4/5/134595964/a74fce1f194b.pdfIn PDF document text
- http://vxclouds.com/userfiles/file/21706485488.pdfIn PDF document text
- http://www.mousumibanerjee.com/fckimages/file/75508999169.pdfIn PDF document text
- https://tizizuner.weebly.com/uploads/1/3/1/8/131872037/roxefora.pdfIn PDF document text
- https://kanoritixuvu.weebly.com/uploads/1/3/4/8/134874131/junef-rilavosifozopum.pdfIn PDF document text
- http://groupeao.com/app/webroot/js/kcfinder/upload/files/gobonedusagatexemon.pdfIn PDF document text
- https://jagedebake.weebly.com/uploads/1/3/0/7/130738918/659b9e.pdfIn PDF document text
- https://teregurejojexol.weebly.com/uploads/1/3/4/8/134879353/rufir.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://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_off0000b050.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB050 | 16416 bytes |
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336 |
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font_01_sfnt_off0000c6ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6EF | 16204 bytes |
SHA-256: acdb7604c0422b543e95ca54b0c3156d326e54f15afadb5fa4fed64b9d7ecac7 |
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font_02_sfnt_off0000f0ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0CA | 10872 bytes |
SHA-256: 47b502e446119bdf6357eb24a3f3461223233518c7d58f6831527cc0a841b87e |
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