MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by multiple heuristics and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with at least one pointing to known malicious redirector infrastructure (https://crophysi.ru/award?keyword=music+appreciation+essay+pdf). The document body is heavily obfuscated, but the presence of embedded links suggests a phishing or malware distribution attempt, likely leveraging the 'Spearphishing Attachment' technique. No scripts were extracted, limiting the analysis of direct execution vectors.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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=music+appreciation+essay+pdf In PDF document text
- http://pokavitapizinuv.iblogger.org/64727670265.pdfIn PDF document text
- https://cdn.sqhk.co/kujufemom/h0Oiidh/super_mario_adventures_episode_10.pdfIn PDF document text
- https://cdn.sqhk.co/xidafigutoxa/gjifhab/beamng_drive_crash_death_stair_car_crash_simulator.pdfIn PDF document text
- http://yatvoyya.fun/bibuwajalanavisepovozobv71.pdfIn PDF document text
- http://wezotarekexu.22web.org/how_to_update_kindle_book_to_latest_version.pdfIn PDF document text
- http://siteznakomstv69.space/mufulerepiximigxpvbf.pdfIn PDF document text
- http://hamlikjorettoop.ru/java_8_booktawp0.pdfIn PDF document text
- https://cdn.sqhk.co/wokinuge/gdMEtcz/darevumifizebefoju.pdfIn PDF document text
- http://riniwodifole.medianewsonline.com/web_services_definition_language.pdfIn PDF document text
- http://vitrinachel.ru/64314137638q9c5r.pdfIn PDF document text
- http://rivozuzeno.mywebcommunity.org/lijilapo.pdfIn PDF document text
- http://titanovyi-filtr.ru/vujibo38s5e.pdfIn PDF document text
- http://salet.store/harry_potter_und_der_stein_der_weisen_film_altersfreigabeyvz68.pdfIn PDF document text
- http://goromeo.club/what_is_a_proof_of_service_documentzzmso.pdfIn PDF document text
- https://cdn.sqhk.co/bebumula/RjigcdT/service_box_peugeot_free.pdfIn PDF document text
- http://saroforati.medianewsonline.com/how_to_draw_a_female_model_body.pdfIn PDF document text
- http://jopkapopka.online/gedidolubetalezao52zv.pdfIn PDF document text
- http://daating19.site/are_dymo_labels_recyclablee8kos.pdfIn PDF document text
- http://rutinesuzufogat.mypressonline.com/4271926271.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://pikamumoboxajis.epizy.com/76782287705.pdfIn PDF document text
- http://dupuxup.rf.gd/biblia_stiahnut.pdfIn PDF document text
- https://s3.amazonaws.com/xonobijikivo/baruv.pdfIn PDF document text
- https://s3.amazonaws.com/fofeguj/how_to_use_kenwood_food_processor_attachments.pdfIn PDF document text
- https://s3.amazonaws.com/netinuwa/archery_big_match_hack_mod_apk.pdfIn PDF document text
- http://sitafefisoju.atwebpages.com/role_and_function_of_central_bank.pdfIn PDF document text
- https://s3.amazonaws.com/tuxenipup/los_7_habitos_de_la_gente_altamente_efectiva_diapositivas.pdfIn PDF document text
- https://s3.amazonaws.com/rafiralexezol/wenivosumidal.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_off0000f9df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9DF | 5224 bytes |
SHA-256: 675d7c5a27ef5dc35f856e28887bc53e00c693997b02e66814edf8421bf403f9 |
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font_01_sfnt_off00010bcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BCB | 10444 bytes |
SHA-256: c3f83ca65c4768156b0beb82707680f3b73283c5011d7bbe7be680673f12fc32 |
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