MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to disposable hosting, suggesting a link farm or phishing attempt. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing lure designed to redirect users to malicious content.
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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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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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://trafffi.ru/strik?keyword=transforming+quadratic+equations+worksheets PDF link annotation
- https://cdn-cms.f-static.net/uploads/4451574/normal_5fa244b1194ca.pdfIn PDF document text
- https://mogidudurunupiz.weebly.com/uploads/1/3/2/6/132695636/kanixisebuzabu-jodabelik-janidiziroxegoj-faxali.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447280/normal_5fa5e55239ce3.pdfIn PDF document text
- https://raralulewuk.weebly.com/uploads/1/3/4/4/134478892/4939832.pdfIn PDF document text
- https://siwizapetodid.weebly.com/uploads/1/3/4/0/134041585/nowumesebefi_dadarogorun_komefuzinulir_govabulofanew.pdfIn PDF document text
- https://vaxeratomox.weebly.com/uploads/1/3/4/3/134397216/1964680.pdfIn PDF document text
- https://nabutamu.weebly.com/uploads/1/3/4/5/134525390/1196969.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/7bbc799c-71f9-4fb8-969b-50f229a9c3b6/download_sims_4_city_living.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/591251c1-daa5-477a-bc31-d7f817138489/65563715001.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e7057a7d-cd15-46fc-9b00-3bc0a5994f83/papa_murphys_cookie_instructions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/866f0d1c-0b40-4382-ad18-4e181f8cdb63/21672367680.pdfIn PDF document text
- https://s3.amazonaws.com/pizivurapab/fizutofapofuf.pdfIn PDF document text
- https://s3.amazonaws.com/vatakefojunib/xatifojatibufupetodoge.pdfIn PDF document text
- https://s3.amazonaws.com/gavexilatuvitaz/89786136614.pdfIn PDF document text
- https://s3.amazonaws.com/fomaralunex/manual_solutions_for_thermodynamics_chapter_4.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
- 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_off0000d687.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD687 | 5636 bytes |
SHA-256: 2681ba2aa2e308c78cdb911de6f566c7f1634983ba54da76a818cf6f9d7f78d7 |
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font_01_sfnt_off0000e98d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE98D | 10980 bytes |
SHA-256: 8ee87e46be78c1464383467c20f9e00a53e604f7671a6350f924556d7b7c9de9 |
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font_02_sfnt_off00010f56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F56 | 16092 bytes |
SHA-256: 39b2f4b99ee08965fd4836f89f628a00cde8346cb181131bba0308e80db8fb67 |
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