MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The ML classifier also flagged the document with high confidence. The document body, though heavily obfuscated, suggests a lure related to 'absenteeism and presenteeism', likely to trick users into clicking the malicious link.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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=absenteeism+and+presenteeism+pdf In PDF document text
- http://fegiroxopirez.sportsontheweb.net/gafiwinejepumifukisupeza.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463277/normal_6021c10404046.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375700/normal_5feb8f521763b.pdfIn PDF document text
- http://wumomotetidofe.getenjoyment.net/67429913645.pdfIn PDF document text
- http://zifufarox.getenjoyment.net/larisunajumuxiwakipado.pdfIn PDF document text
- http://pegijegur.mygamesonline.org/woselapetipifuwefixuv.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460477/normal_5fe3c840960e4.pdfIn PDF document text
- http://memaberenux.scienceontheweb.net/balanceamento_de_reaes_qumicas.pdfIn PDF document text
- http://vomidujoma.scienceontheweb.net/what_are_the_5_categories_of_journalism.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://duxepivol.myartsonline.com/33156798161.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/032b95a0-d5dd-49e1-b6ee-9539ab906691/python_for_loop_increment_index_inside_loop.pdfIn PDF document text
- http://fozozip.onlinewebshop.net/41621581593.pdfIn PDF document text
- https://s3.amazonaws.com/xezujuxoz/52365563640.pdfIn PDF document text
- http://tevesuxaxil.rf.gd/xasopirilumoxelowamaw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/47cef9a6-3455-4c5c-a0af-d650add9623a/volvo_penta_duo_prop_outdrive_parts_diagram.pdfIn PDF document text
- http://veraliw.rf.gd/gojejuxenajezixewi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/00d03e20-730b-4fbc-ba29-91fd2f0bd6bb/what_is_survival_of_the_fittest_theory.pdfIn PDF document text
- https://s3.amazonaws.com/jenagubadopi/52901038177.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0b94ddbb-131f-4e25-a750-faac39ec5bdb/nozulezixisubuzexurose.pdfIn PDF document text
- https://s3.amazonaws.com/kezemiradigu/vijulovuvafajexog.pdfIn PDF document text
- https://s3.amazonaws.com/fipijife/4325681515.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b6c8c287-8719-431b-9ea2-4c85c7e68eb2/does_salvation_army_bell_ringers_get_paid.pdfIn PDF document text
- https://s3.amazonaws.com/fefurorobumi/millers_falls_miter_box_74.pdfIn PDF document text
- http://zijedan.atwebpages.com/digixejemoto.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_off00015d5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D5F | 5284 bytes |
SHA-256: 48fa1624fc4a050e8531d763374b203374a151b5ee2b32cd69b6d6a94fbd9b08 |
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font_01_sfnt_off00016f36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16F36 | 11352 bytes |
SHA-256: 2dfcc05878c908bc2c87a1d5ec47fbb427ae694275835500077a7472b9c7f80d |
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