Malicious PDF — malware analysis report

Static analysis result for SHA-256 b886c87cb26c0746…

MALICIOUS

PDF

70.9 KB Created: 2021-02-26 03:45:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5207b252fa0f1d728d8d62f97f463c54 SHA-1: 2143ddf304f526ec24814889186c6de97ea64f08 SHA-256: b886c87cb26c0746d0067ea0e5b1c1406ed921178871cd2445bdc647c591a545
96 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://druttle.ru/wix?keyword=importaci%25C3%25B3n+de+autos+mexicali
    • https://manatelagaren.weebly.com/uploads/1/3/1/4/131437493/40a2cf.pdf
    • http://kufafukedexepix.mygamesonline.org/are_ancestry_dna_tests_ever_wrong.pdf
    • http://nomenowunesazoz.scienceontheweb.net/simple_present_continuous_tense_exercises_with_answers.pdf
    • https://mofalapew.weebly.com/uploads/1/3/4/3/134307760/9438761.pdf
    • https://vareruvajidawa.weebly.com/uploads/1/3/0/8/130874223/dezadiwixasulafem.pdf
    • https://nomabedipami.weebly.com/uploads/1/3/1/4/131437379/6938247.pdf
    • http://bomaduworofa.medianewsonline.com/how_to_make_easy_ribbon_bows_for_gifts.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/zoromexemuzid/vurakepitoriteri.pdf
    • http://nenilezum.epizy.com/kanibipu.pdf
    • http://zotijoxamofos.epizy.com/como_se_forma_aspergillus.pdf
    • https://s3.amazonaws.com/dusubonifu/the_ugly_duckling_bbc.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_off0000d50c.bin
591180ac838f024645d5519d18e54eed6f157d76f5569fa6149467dbbf740f52		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD50C 5360 bytes
font_01_sfnt_off0000e6ef.bin
e4b2bb0048250cb41e6b43ebbd31689acc65412d5a365454e56ef5fc71ad857c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE6EF 11780 bytes

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