Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ce209ef123f1377…

MALICIOUS

PDF

70.8 KB Created: 2021-03-01 15:25:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 143c308cbb7aa5efbc41543e02dba83f SHA-1: 94a21708e9288f4bf172a3590e7ff341cc06ad5a SHA-256: 8ce209ef123f13775a5004336969bb49785fe1877768302bf42b0d254f60fb4e
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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=animal+crossing+new+leaf+rom+3ds+citra+espa%25C3%25B1ol PDF link annotation
    • http://zesenadozefut.sportsontheweb.net/percy_jackson_the_battle_of_the_labyrinth_indonesia.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501996/normal_600e612e6dcdd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4531523/normal_5feb3fe2a6d89.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4444648/normal_5fdeb46daff26.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465252/normal_6008f3d95130d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477156/normal_5feea8ad7acbc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4371003/normal_6007efa298b1a.pdfIn PDF document text
    • https://cdn.sqhk.co/vibisidumes/jhj6njb/28406531007.pdfIn PDF document text
    • https://cdn.sqhk.co/miviterul/jmPlZCO/fifa_world_cup_men_s_soccer_schedule.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369323/normal_60253c627efee.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
    • https://s3.amazonaws.com/mogipegi/basokojazed.pdfIn PDF document text
    • https://s3.amazonaws.com/meludav/carmageddon_tdr_2000_pc.pdfIn PDF document text
    • https://s3.amazonaws.com/fekazudabo/fizaxuvib.pdfIn PDF document text
    • https://s3.amazonaws.com/jevopemosod/cambridge_11_listening_test_3_answers.pdfIn PDF document text
    • http://lejiletuvasipib.onlinewebshop.net/83825498191.pdfIn PDF document text
    • https://s3.amazonaws.com/wefemabeni/30070543030.pdfIn PDF document text
    • https://s3.amazonaws.com/varolexexus/kazaxivulunofeforejufoza.pdfIn PDF document text
    • https://s3.amazonaws.com/mizeteb/sync_local_folder_to_google_drive_android.pdfIn PDF document text
    • https://s3.amazonaws.com/gogonof/standard_non_disclosure_agreement_template_uk.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_off0000c7b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC7B6 5720 bytes
SHA-256: 33e189236f70877427a7099009de4277c3ca16db4a6889ff875f565357798d9f
font_01_sfnt_off0000dad9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDAD9 10000 bytes
SHA-256: 7de9dc652586e0a13bc7f81c5263cd189ab706c47a6ca427f967eb179c927b59
font_02_sfnt_off0000fd26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD26 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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