MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs, with one prominent URL pointing to 'nomylo.ru'. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for links, suggesting an attempt to obscure the true malicious destination. While no scripts were explicitly extracted, the presence of external links and the ML/ClamAV detections strongly suggest a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://nomylo.ru/pbw?utm_term=autocad+estudante+mac PDF link annotation
- https://static.s123-cdn-static.com/uploads/4427504/normal_600897c564953.pdfIn PDF document text
- https://lonojoxojiliw.weebly.com/uploads/1/3/1/4/131438577/geliwizefisiduk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383687/normal_5fdaff4c1e731.pdfIn PDF document text
- https://runebipunozup.weebly.com/uploads/1/3/1/4/131406604/gikuwiwuzes.pdfIn PDF document text
- https://dedodewoluxo.weebly.com/uploads/1/3/4/4/134402612/1587473.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369304/normal_6016a5671db2f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4472200/normal_603747051f348.pdfIn PDF document text
- https://gadufekovofu.weebly.com/uploads/1/3/4/7/134764592/bemoziluvew.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424364/normal_5fdb1566c09bf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zeladejan.pbworks.com/f/49551092727.pdfIn PDF document text
- http://volikedejefa.pbworks.com/f/nugubezokamokaturojo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f6a6fde7-2243-4b87-8d64-4bcb2ae8f963/scholastic_4th_grade_reading_comprehension.pdfIn PDF document text
- http://jebusolole.pbworks.com/w/file/fetch/144525288/1085685977.pdfIn PDF document text
- http://nusuwoxub.pbworks.com/f/kanovibebijave.pdfIn PDF document text
- http://garigor.pbworks.com/w/file/fetch/144427845/tifalutudizamiwe.pdfIn PDF document text
- http://barumena.pbworks.com/w/file/fetch/144463662/game_killer_v3_11_apkpure_no_root.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/74d93f92-ea0b-4cd0-9ac2-815855f3aaaa/zuwuxogolepel.pdfIn PDF document text
- http://biwonuv.pbworks.com/w/file/fetch/144467982/laccord_de_ladjectif_qualificatif_exercices_cm1.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ead2a49a-b5f9-4f54-b08b-d449f163d126/dibujos_de_los_medios_de_transporte_para_colorear_e_imprimir.pdfIn PDF document text
- http://lekuzax.pbworks.com/w/file/fetch/144414993/44500456403.pdfIn PDF document text
- http://katafuzum.pbworks.com/f/how_much_do_youtubers_get_paid_for_a_sponsored_video.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1f28fa12-ae4b-460b-a5d0-b9b9cf4c9b29/fitbit_flex_bands_india.pdfIn PDF document text
- http://gafuxexosaru.pbworks.com/w/file/fetch/144549957/80526503361.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/521a70c0-a5b3-4f56-bae9-cf6aaf84f7c9/shimano_alfine_hub_8_speed.pdfIn PDF document text
- http://puzavofan.pbworks.com/f/ejercicios_oraciones_complemento_directo_e_indirecto.pdfIn PDF document text
- http://zigunef.pbworks.com/w/file/fetch/144643173/ap_biology_exam_2020_practice_questions.pdfIn PDF document text
- http://lekuzax.pbworks.com/f/maine_pyaar_kyun_kiya_mp3_download_pagalworld.pdfIn PDF document text
- http://sokulus.pbworks.com/f/is_it_possible_to_increase_height_after_18_for_a_girl.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_off0000ed95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED95 | 4944 bytes |
SHA-256: fcfda67fa5677c94fe693553c56af4c6273ddebbb1d827da570168c9ef356338 |
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font_01_sfnt_off0000fe57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE57 | 13236 bytes |
SHA-256: b88605995343c36c68d7cb413f453e82bb6310e9de6171f131d2f127cc371d77 |
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