Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5e6476929b5baf2…

MALICIOUS

PDF

86.2 KB Created: 2021-03-04 06:44:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: ef682003715eed0327369ebea8f427b0 SHA-1: d83a310861e387340c88b8353c01d781f13d4284 SHA-256: d5e6476929b5baf2464b973c044845e35f23006db708c3f8014e8f0b95a343cc
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9997

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://baarspo.ru/strik?utm_term=what+is+ozymandias+about+poem PDF link annotation
    • http://meroxisawifagu.mygamesonline.org/the_undoing_season_1_episode_5_review.pdfIn PDF document text
    • http://lorakuze.sportsontheweb.net/16169805605.pdfIn PDF document text
    • http://rigudozefogo.mypressonline.com/xirewinizono.pdfIn PDF document text
    • http://fekedusotuxena.iblogger.org/fegatibarejatojodon.pdfIn PDF document text
    • http://werikipirojenob.scienceontheweb.net/xajolidijizokuf.pdfIn PDF document text
    • http://vekvelo.ru/megan_fox_and_mgk_marriedi986t.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4473963/normal_6022eca592944.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408990/normal_5ffac6958247b.pdfIn PDF document text
    • http://klokisik.space/therapeutic_foster_care_agencies_in_georgialknwp.pdfIn PDF document text
    • http://healsmall.space/170616697996955n.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/tudawufed/74001082217.pdfIn PDF document text
    • https://s3.amazonaws.com/sebunuzu/contractions_worksheet_for_first_graders.pdfIn PDF document text
    • http://pumejusatojajeg.rf.gd/zonawimutisubujefutilu.pdfIn PDF document text
    • http://bopiguxa.atwebpages.com/comptia_project_study_guide_free_download.pdfIn PDF document text
    • https://s3.amazonaws.com/jiguwuzobozobaz/117101203.pdfIn PDF document text
    • https://s3.amazonaws.com/kugelilizibuwum/jaspersoft_ireport_not_starting.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_off000105f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105F8 3220 bytes
SHA-256: 6247a163184572473a2eb4957eecc1017fe3d077cac600526ffb074317d0a92f
font_01_sfnt_off00011188.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11188 5376 bytes
SHA-256: 85d6a991f39d5f7cbb22d8f15b3f1cdc1b046550682f427a700720ef0a81fa7a
font_02_sfnt_off000123c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x123C1 11688 bytes
SHA-256: 0d0e4993d6485c420a13f83fcdc63977ba41bda1912cf4dbe6c7f6fca54d9648

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