Malicious PDF — malware analysis report

Static analysis result for SHA-256 480cfe04eb316607…

MALICIOUS

PDF

78.6 KB Created: 2021-05-04 01:25:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 044d60fece55fe1dd6a36901d99e4a99 SHA-1: 918ac5a973f0f38d23064eb60c52db8a719e77a2 SHA-256: 480cfe04eb31660745c83029933e697d59a4857cc2506396aab3203c2f83f76a
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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://dugedepap.ru/strik?utm_term=microsoft+word+table+of+contents+levels PDF link annotation
    • http://wigosixozem.mywebcommunity.org/vobinikabotove.pdfIn PDF document text
    • http://pazifelurup.medianewsonline.com/where_should_flammable_materials_be_stored_brainly.pdfIn PDF document text
    • http://juwupexutaval.mywebcommunity.org/lepazufuwe.pdfIn PDF document text
    • http://superheatbelt.xyz/ragonoxurewilitawqv7d.pdfIn PDF document text
    • http://euroshopmn.space/what_is_the_other_term_of_life_course_theory54150.pdfIn PDF document text
    • http://nosumiva.mywebcommunity.org/zirubotowupupajafasixa.pdfIn PDF document text
    • http://duwinijuj.mypressonline.com/zisamolopijobemepamojomi.pdfIn PDF document text
    • http://luxomozuk.mypressonline.com/lesser_banishing_ritual_of_the_pentagram.pdfIn PDF document text
    • http://changepass.online/ukulele_strumming_patterns_4_4d4fg6.pdfIn PDF document text
    • http://nuveclovet.xyz/xisoxomabubiwet5xrf.pdfIn PDF document text
    • http://rezexepenoma.scienceontheweb.net/dupejafezetago.pdfIn PDF document text
    • http://kogutojoveso.mywebcommunity.org/devi_bhagavatam_in_sanskrit.pdfIn PDF document text
    • http://proba7.xyz/how_to_cope_with_being_miserableperww.pdfIn PDF document text
    • http://patajafurep.mywebcommunity.org/converter_planta_em_para_autocad.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://zatuvejamubolo.atwebpages.com/tresca_and_von_mises_criteria_in_crystal_plasticity.pdfIn PDF document text
    • https://s3.amazonaws.com/gozifep/zewofurafikijapuzulevi.pdfIn PDF document text
    • https://s3.amazonaws.com/xukirizugukugi/bisection_method_examples_with_answers.pdfIn PDF document text
    • http://saboveliga.myartsonline.com/how_many_chapters_are_in_harry_potter_book_1.pdfIn PDF document text
    • http://binuwuzipu.myartsonline.com/intoxication_arsenic.pdfIn PDF document text
    • http://jokubamobivavum.onlinewebshop.net/arabic_english_calendar_2020.pdfIn PDF document text
    • https://s3.amazonaws.com/besafefaf/does_ihop_give_you_a_free_meal_on_your_birthday.pdfIn PDF document text
    • https://s3.amazonaws.com/devuxuzejozam/wemupisadinada.pdfIn PDF document text
    • https://s3.amazonaws.com/bisute/civ_6_egypt_guide_rise_and_fall.pdfIn PDF document text
    • http://bixozebaxikapos.atwebpages.com/44717443163.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eb32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB32 5100 bytes
SHA-256: 705e7511c33af373abbff046845bafeb06b31d4a223e72bd8218e252ebb0436e
font_01_sfnt_off0000fca9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCA9 9984 bytes
SHA-256: b40df5d7f787efb4847350b0bcf967df46ed04b22968b8c39546f8e0dc001caa
font_02_sfnt_off00011e8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11E8B 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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