MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs that point to a link farm hosted on disposable domains, suggesting an attempt to redirect users to malicious content. The document's structure and the presence of external URIs strongly indicate a phishing or scam attempt disguised as a worksheet answer key.
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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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://druttle.ru/wix?keyword=addison-wesley+publishing+company+worksheet+answers+for+science PDF link annotation
- https://cdn-cms.f-static.net/uploads/4530578/normal_6038df935b769.pdfIn PDF document text
- https://cdn.sqhk.co/mofijovelu/8ggEjgc/asphalt_street_storm_racing_android_gameplay.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476936/normal_60087486c8e39.pdfIn PDF document text
- http://urott-hu.com/womuxewilukuwiwadi5ynu.pdfIn PDF document text
- http://zobotalemogi.sportsontheweb.net/ue_boom_2_mit_pc_verbinden_windows_10.pdfIn PDF document text
- http://avto-trokot.xyz/neato_botvac_connected_manualeout4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413713/normal_604668bc1c636.pdfIn PDF document text
- http://vatidenow.medianewsonline.com/sundara_kandam_tamil_book.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393641/normal_5ff2321d7725d.pdfIn PDF document text
- https://cdn.sqhk.co/bupewazadufa/sjg06ib/kode_pa_apps_android.pdfIn PDF document text
- http://jepenufi.getenjoyment.net/fozegorurapusomezoluvi.pdfIn PDF document text
- https://cdn.sqhk.co/napumefu/IRXgdlN/fewof.pdfIn PDF document text
- http://aycotoro5.xyz/nsfas_agreement_form_2020rh4u5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383801/normal_603193d1ee279.pdfIn PDF document text
- http://sajiwurejedetu.sportsontheweb.net/bamigebexavedafixof.pdfIn PDF document text
- https://cdn.sqhk.co/pibusupi/qKu8Yjf/popsicle_stick_bunny_crafts.pdfIn PDF document text
- http://linodogeb.scienceontheweb.net/idiom_dictionary_free_download_english_to_sinhala.pdfIn PDF document text
- http://suziterunedoloj.sportsontheweb.net/29047009627.pdfIn PDF document text
- https://cdn.sqhk.co/gaduwifawide/ghjhgeu/environmental_impact_report_ceqa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a21f0d7d-5fe0-4a99-a381-3b18266e0880.filesusr.com/ugd/6c313a_1ee7a1178d434c9699338a721e657cc3.pdf?index=trueIn PDF document text
- https://828c6a01-da61-4814-986a-f72e64f4f334.filesusr.com/ugd/cdfdba_5bb1930d600c4090aa7a1b7a92bdbbfa.pdf?index=trueIn PDF document text
- https://c63ca81c-6df4-4ec3-bc2e-8508f29a6879.filesusr.com/ugd/d48fe3_4755f8f840db4f35858c217005bd28ff.pdf?index=trueIn PDF document text
- https://034618a9-9b39-4f41-ad18-95bca1d1c80b.filesusr.com/ugd/48d9a1_0d8c42be667e437cb756e822f1facd46.pdf?index=trueIn PDF document text
- https://c8f6a2ed-bc8a-4fd4-b26a-19707db7c4cd.filesusr.com/ugd/1cc7e8_eb28f13553fa4cc99788718717a08950.pdf?index=trueIn PDF document text
- http://nujugeteteda.myartsonline.com/data_science_major_colleges.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_off0000de28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE28 | 5988 bytes |
SHA-256: d9f4e78827629f17b31196475bcecab34c38e68ad93ae2408630e9ab1f2a9600 |
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font_01_sfnt_off0000f27b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF27B | 10312 bytes |
SHA-256: 3b44729a0954c3e7636b8f56ef478b43915d23f5bd7e62c3e9061ba95b1b49c8 |
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