MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier. It contains embedded links, including one pointing to a known malicious redirector at 'https://crophysi.ru/award?keyword=resumo+de+administra%25C3%25A7%25C3%25A3o+p%25C3%25BAblica+para+concursos+pdf'. The document body, though heavily garbled, suggests a lure related to 'Resumo de administração pública para concursos pdf', indicating a phishing or credential harvesting attempt. No scripts were extracted, but the presence of malicious links strongly suggests the document is designed to redirect users to harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://crophysi.ru/award?keyword=resumo+de+administra%25C3%25A7%25C3%25A3o+p%25C3%25BAblica+para+concursos+pdf In PDF document text
- http://fakutuzogazu.sportsontheweb.net/attribution_theory_psychology.pdfIn PDF document text
- https://cdn.sqhk.co/dojarodawiw/ezjajdI/duck_hunt_snes_classic.pdfIn PDF document text
- http://baramijotafexo.mypressonline.com/xenifexubiwabimozodokamo.pdfIn PDF document text
- https://juzudibat.weebly.com/uploads/1/3/4/3/134328144/427660.pdfIn PDF document text
- http://dotekebenutedex.scienceontheweb.net/bazenibew.pdfIn PDF document text
- https://cdn.sqhk.co/zijigemeworu/PhfAueB/dilobegilebugagigunodi.pdfIn PDF document text
- https://cdn.sqhk.co/mewuwemiromi/jjR0hmb/nutrition_research_and_practice_author_guidelines.pdfIn PDF document text
- https://cdn.sqhk.co/modonasuje/aXibbwz/20385031507.pdfIn PDF document text
- https://gimituwemowi.weebly.com/uploads/1/3/4/8/134872285/bagevunuvolitel-jakiwawo-tefon.pdfIn PDF document text
- https://lanoxujuzon.weebly.com/uploads/1/3/4/6/134630121/de5c5d2b4.pdfIn PDF document text
- http://wujasonuvilo.mywebcommunity.org/84522470746.pdfIn PDF document text
- https://cdn.sqhk.co/lokuwanij/Uicggdy/2019.pdfIn PDF document text
- https://lasapiboxemifol.weebly.com/uploads/1/3/4/8/134865682/patali.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/zewimu/49550261860.pdfIn PDF document text
- https://ced6af22-cf5f-4df0-9cd6-2d424634d287.filesusr.com/ugd/3eed2b_c705f32fc8ca44f4bb258bfedecc2726.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pukiza/boxabubos.pdfIn PDF document text
- https://s3.amazonaws.com/lakujusitejojet/sudanolopafasewadamedejo.pdfIn PDF document text
- https://f0198b83-f3fe-41b4-8315-bacd7eabb238.filesusr.com/ugd/2b3f46_385fbb7d348f456db6b0d50c20a1aaee.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zuwimadaneb/shirt_cutting_and_stitching.pdfIn PDF document text
- https://99f4a897-b223-4833-863a-50ad465ba5d5.filesusr.com/ugd/8e2371_89d94a99472b42038a8fd761e8c61c3c.pdf?index=trueIn PDF document text
- http://tizexazebubo.atwebpages.com/astm_a370_standard.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED94 | 6064 bytes |
SHA-256: 3a02d3bd3a84ed141a5e17a8618ab604cf5498f18da6cbe422bb91ed6bf59498 |
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font_01_sfnt_off0001010e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1010E | 14880 bytes |
SHA-256: 91e55d258838df93a43252828f105ef43cdb8814acf170a197f7c88caee61098 |
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