Malicious PDF — malware analysis report

Static analysis result for SHA-256 70a34378f2be7b9b…

MALICIOUS

PDF

91.6 KB Created: 2021-03-29 17:42:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 979d78df0618bbc4c2b2aac7ad698ddc SHA-1: aff4ef0ae042eeed3b96228dd22fa94bdbbbebe9 SHA-256: 70a34378f2be7b9b05df60e3de027adc4975c4574af273cad344a80c9e9a4bc8
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a heuristic indicating an external URI, specifically 'https://lozipotod.ru/wix?keyword=jay+z+the+blueprint+album+free+download+zip', which is presented as a download link. ClamAV detection and ML classification strongly suggest maliciousness, likely related to phishing or malware distribution. The document body, though heavily obfuscated, contains text related to 'Jay z the blueprint album free download zip', reinforcing the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://lozipotod.ru/wix?keyword=jay+z+the+blueprint+album+free+download+zip
    • https://cdn.sqhk.co/labifikup/ijgjhii/nikafujewugug.pdf
    • http://zawugudumi.getenjoyment.net/89698558427.pdf
    • https://cdn.sqhk.co/fogibadeku/NCetDie/lebara_mobile_top_up_bundles.pdf
    • https://cdn.sqhk.co/lituxopevuk/tidgoie/taxapoxaxumebefejewifip.pdf
    • http://nokojatagi.mywebcommunity.org/atlas_anatomie_humaine.pdf
    • http://mowukedova.mypressonline.com/present_simple_and_present_continuous_exercises_with_answers_advanced.pdf
    • http://zoguponuwuxoli.medianewsonline.com/cannot_connect_to_my_cloud_dashboard.pdf
    • https://cdn.sqhk.co/pimetezefo/jgA7ihT/treasure_hunters_movies_on_netflix.pdf
    • http://xokezuwadem.mygamesonline.org/bhagavad_gita_chapter_1_telugu.pdf
    • http://tapavinologo.mygamesonline.org/mubotamelipejamopeba.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://4b002d3c-a55f-42ce-816c-238f848e88a9.filesusr.com/ugd/3398cc_61365bf5164544d682737ec10f29ec14.pdf?index=true
    • http://wewepov.rf.gd/bibodevut.pdf
    • http://sakikuzugodo.rf.gd/dictionary_of_literary_terms_and_literary_theory.pdf
    • https://s3.amazonaws.com/boxujetanonikuv/how_to_become_vegetarian_book.pdf
    • https://1ac5d900-0c69-4f12-8b1d-4e209472b8d2.filesusr.com/ugd/828753_cae2350b98154c94a95f50a91fdc6d31.pdf?index=true
    • https://s3.amazonaws.com/liwafo/67861838788.pdf
    • http://teropisarazo.myartsonline.com/45007005354.pdf
    • http://sivigowukom.epizy.com/audit_procedures_for_accounts_receivable.pdf
    • https://s3.amazonaws.com/rutufokedizon/los_pronombres_relativos_en_espaol_ejercicios.pdf
    • https://s3.amazonaws.com/gateme/estrategias_de_marketing_digital_segun_autores.pdf
    • https://s3.amazonaws.com/julexekubaj/40677574232.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012772.bin
828e74536381757a0d1605c8dc95e47a0140bfea53e0c0b4fb90a5de6b770f96		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12772 5476 bytes
font_01_sfnt_off00013a07.bin
265ddec4d50f147c77f5c0a2430d0b830c371a7bbda213180a43aecd965b5b5e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13A07 11436 bytes

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