MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or phishing operation. The document body, though heavily obfuscated, appears to be a lure related to "alum pre lab answers", likely to trick users into clicking malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ponafet.ru/strik?utm_term=analysis+of+alum+pre+lab+answers PDF link annotation
- https://vuvitolivudiru.weebly.com/uploads/1/3/2/7/132712253/neduwusameka.pdfIn PDF document text
- https://konevolog.weebly.com/uploads/1/3/1/6/131606720/37a767f7e6f17.pdfIn PDF document text
- https://rorobobadewa.weebly.com/uploads/1/3/1/1/131164171/jaxirerusak.pdfIn PDF document text
- http://visiblawty.com/fufuvuvopikamekk41kg.pdfIn PDF document text
- http://clubstore.info/python_programming_projects_for_resumedh4uf.pdfIn PDF document text
- http://chatik85939775.fun/analysis_and_design_of_multi_storey_residential_building_using_staad_pro6rysm.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/a3ffedd4-0e44-4152-811c-5ad299ce861d/gazoxod.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ba1d2d72-5a38-4337-89a5-3d5956cc1840/zarokerulogodewulalokut.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7bd83d9e-2fc5-4a0a-95dd-0680906530d9/88718427658.pdfIn PDF document text
- https://1a6c606f-1efd-495f-9370-57f425d809fd.filesusr.com/ugd/1be480_a6cc4c93777a47069fed355ff8f3a5fc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/cdd61a66-6eb1-4542-86a7-4ba8082591db/gelevegajevozemavi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1a75afa0-4e8f-465f-ae35-6dd5a6e4b7e6/25726395295.pdfIn PDF document text
- http://kexetevil.epizy.com/how_to_put_frigidaire_affinity_washer_in_diagnostic_mode.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/75d45859-d88e-4ae7-957d-c3cc5e328191/how_to_change_source_on_fios_remote.pdfIn PDF document text
- http://puviseb.epizy.com/nurabunikabipefem.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7a56e06c-56bd-42e3-9b7f-5deabe7b342b/2017_boy_scout_handbook_13th_edition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c315178f-aaf8-4b1b-bd52-73dc50c76485/electric_circuits_notes.pdfIn PDF document text
- http://jexaziled.rf.gd/miwulise.pdfIn PDF document text
- https://e02212b7-c8ec-4bf5-ba3e-d68a1de675e0.filesusr.com/ugd/7f1d73_ab8a7d0f3ddd4901b862fedd859d2e50.pdf?index=trueIn 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_off000137a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137A9 | 5372 bytes |
SHA-256: 8e5e1b40ccbc5cd6dde72c18c884b819ed769babcf851b25f472187e8cd502a2 |
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font_01_sfnt_off000149ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149EA | 11520 bytes |
SHA-256: 202f70e0a0169fe1a4e2e26c917c2aa4170a7ecf1050e168bb39d76b0a759a0e |
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