MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains embedded links that redirect to known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, appears to be a lure related to 'commonlit answer key pdf', aiming to trick users into clicking the malicious links. The ML classifier and ClamAV detection further support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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=i+have+a+dream+commonlit+answer+key+pdf In PDF document text
- http://uablog.site/dawasonedugajel62ibm.pdfIn PDF document text
- https://cdn.sqhk.co/vakolitakap/jgfQhgP/sidoposafojefawix.pdfIn PDF document text
- http://4kuhd.me/75571683779eewk1.pdfIn PDF document text
- http://spainwow.pro/cbse_class_10_english_question_paper_formatdak9u.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367273/normal_6058089b2d499.pdfIn PDF document text
- http://xepezugabiposa.22web.org/niratax.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471273/normal_5fd806086a355.pdfIn PDF document text
- https://cdn.sqhk.co/pazaxefuma/djeghes/apex_launcher_classic_app.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446931/normal_603c11a12ca13.pdfIn PDF document text
- https://cdn.sqhk.co/razotefo/fGnyibb/offline_games_iphone_2019.pdfIn PDF document text
- http://wei-nmvc.com/types_of_energy_worksheet_cstephenmurray_answersqf6f6.pdfIn PDF document text
- https://cdn.sqhk.co/fosuzonarefi/ZvgfijN/bhaiya_ji_superhit_movie_song_pagalworld.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://907864b8-ab38-4b43-b195-7646ee37c451.filesusr.com/ugd/c4b402_154c00d9211f46f486fc686ba06e49f5.pdf?index=trueIn PDF document text
- https://2a085669-a8dc-40eb-b1d3-71ea9d660f60.filesusr.com/ugd/cafc24_bfdc387427944666bd9b399a55cb8ddd.pdf?index=trueIn PDF document text
- https://104e3d6a-8609-4a5f-ba89-88df40aeb326.filesusr.com/ugd/3cb22f_84104980939d4bcd948864148e47f1da.pdf?index=trueIn PDF document text
- https://8767aa75-4bd5-48c0-94ca-24e983238001.filesusr.com/ugd/debdc1_0cdacc08d77e42edbed9fd22f4dfd725.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7cf77bcf-d0b0-4615-8192-ea9a8dd33094/kimodosejevuzuroj.pdfIn PDF document text
- http://sozanizitug.epizy.com/how_to_find_dialog_sim_location.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d2e381f-b7ec-4b72-81e9-b4b60764c0bc/how_to_read_a_balance_sheet_youtube.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4bba9791-5749-426e-a259-4dcab1fa06e6/halo_bassinest_swivel_sleeper_bassinet_instructions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09bf99f5-f1e3-4048-9207-18be6aa12031/discrete_mathematics_5th_edition.pdfIn PDF document text
- https://fb79ad55-22b5-4823-9538-35c71bbbd514.filesusr.com/ugd/ea423f_ce61db2b9f804785b162d04b59067697.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f96f5246-4340-42ad-8e7d-3a6481fc5f31/hotpoint_gas_range_oven_igniter.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_off0000f185.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF185 | 5652 bytes |
SHA-256: 86a23c499c8f6887f20e73699cb9d75f5024aeaaa209f685678434ef9f7c5a65 |
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font_01_sfnt_off000104ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104AE | 10384 bytes |
SHA-256: 1f41e8bf2e8ac55681e848864e2e5ccdd5417b32aeee89d223a33411e6278b07 |
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