Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb85435f57560fb2…

MALICIOUS

PDF

82.8 KB Created: 2021-03-18 10:46:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c89d520a92d144cabee34fccb8b13ffd SHA-1: 47e10276de2e93423e4abcc3760aabbfd1ef921f SHA-256: eb85435f57560fb2a4d22a0eb740c568484afe5e735b726da40315b202ebf6b2
136 Risk Score

Malware Insights

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

This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The document body contains text related to 'consumer reports username password 2019', suggesting a phishing lure. The presence of an external URI pointing to 'jumiwimov.ru' further supports the malicious intent, likely to deliver a secondary payload or redirect the user to a phishing site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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://jumiwimov.ru/123?utm_term=consumer+reports+username+password+2019
    • https://static.s123-cdn-static.com/uploads/4420240/normal_5ff2c696a737f.pdf
    • http://menformula.xyz/survival_rate_of_lung_cancer_after_treatmentinxjh.pdf
    • https://cdn-cms.f-static.net/uploads/4468261/normal_600eff1e4a2ed.pdf
    • http://capridigi.com/597928712888utjw.pdf
    • http://iblack.space/this_feeling_chainsmokers_song_ringtoneavu2u.pdf
    • https://cdn-cms.f-static.net/uploads/4451756/normal_601d640eeb8d9.pdf
    • http://tatuxuvoziparu.mywebcommunity.org/34958979547.pdf
    • http://tipofeliluget.medianewsonline.com/97585078516.pdf
    • http://onlinetiser.website/excel_financial_spreadsheets_templates_free9faq1.pdf
    • http://dektesheff.xyz/82534486615fpncw.pdf
    • https://cdn-cms.f-static.net/uploads/4450138/normal_6018c4c715abc.pdf
    • http://yatvoyya.fun/87216362515shtv8.pdf
    • http://finomimetafix.sportsontheweb.net/53809355817.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://guxajez.rf.gd/listening_skills_quiz.pdf
    • http://sixijoras.epizy.com/garfield_movie_in_tamil_tamilrockers_hd.pdf
    • http://danebusuji.onlinewebshop.net/carprog_airbag.pdf
    • https://uploads.strikinglycdn.com/files/71c26c55-d802-4881-b7cb-76146e13ee19/25223265733.pdf
    • https://uploads.strikinglycdn.com/files/0a2845c7-4551-42ed-a38a-c0862a59d10e/how_to_reset_a_lg_headset_hbs_750.pdf
    • http://doriponesarom.myartsonline.com/xaxodojefurerawunufew.pdf
    • https://uploads.strikinglycdn.com/files/56718dc1-4959-4481-8aae-544bcf8472d8/gejapujana.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f656.bin
8d961867f855daac0e52b60143d451b2b31c547dfa52f1029a45252cd07e9574		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF656 5552 bytes
font_01_sfnt_off00010923.bin
80d444d32ffd7da7cdeb8c16b7fe79720da2e8c2e902a0ee5acd201cc68a224d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10923 3120 bytes
font_02_sfnt_off000115a9.bin
e43ac6c04b6308e36dc4b7f726031ccf563013973fd767206f4edc921a7a4b87		 pdf-font-stream PDF embedded font (sfnt) at offset 0x115A9 11072 bytes

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