Malicious PDF — malware analysis report

Static analysis result for SHA-256 dbc497592f61e26d…

MALICIOUS

PDF

76.8 KB Created: 2021-04-08 07:48:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02
MD5: 5d6a2e37d97fef049a329708b597b435 SHA-1: b3692b9fd3aec0f083629ac1cfc739eb1ae44f12 SHA-256: dbc497592f61e26db19be8c8d2f37ecc6d31b536fd3f9f4e600d422b8f489b61
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a website offering a 'zombie castaways mod apk terbaru'. This is a common lure for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or trojan delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://zajinet.ru/wix?keyword=zombie+castaways+mod+apk+terbaru PDF link annotation
    • https://cdn.sqhk.co/xugavizira/jienx9f/xakumin.pdfIn PDF document text
    • https://cdn.sqhk.co/tizuvuwo/hidMDyf/health_and_nutrition_bachelor_degree_online.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4468551/normal_5fe98bd919d89.pdfIn PDF document text
    • https://cdn.sqhk.co/raxuzuvuluf/8V7TNhe/47373753919.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412391/normal_5fee8d45ec1d2.pdfIn PDF document text
    • https://cdn.sqhk.co/poxudanefisi/hc3wgez/xufaduju.pdfIn PDF document text
    • https://cdn.sqhk.co/girolivudafo/m0jitrf/blades_of_brim_hack_download_ios.pdfIn PDF document text
    • https://cdn.sqhk.co/pesuxitum/zijhg1L/66350689283.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366033/normal_60464c8220114.pdfIn PDF document text
    • https://cdn.sqhk.co/pufowuvikij/VJPI21T/mebupa.pdfIn PDF document text
    • https://cdn.sqhk.co/fafojipedul/szjjQhj/carpet_cleaner_machine_for_sale_near_me.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457839/normal_6054072594bd0.pdfIn PDF document text
    • https://cdn.sqhk.co/xanikadir/HgjcLLp/zanubukevojezefo.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/mokamoba/vixezusedota.pdfIn PDF document text
    • https://s3.amazonaws.com/silubebebefuju/translate_english_to_portuguese.pdfIn PDF document text
    • https://s3.amazonaws.com/kavifunaruvi/mizufafufegelenof.pdfIn PDF document text
    • https://s3.amazonaws.com/votubukaxogilix/19582449386.pdfIn PDF document text
    • http://nabafomubibatu.epizy.com/upbringing_of_child_in_islam.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eac5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEAC5 5540 bytes
SHA-256: 4ec2cc6a27b7a023455dd28f912e5539822cdb37bbf9b45277ce80abb42c2872
font_01_sfnt_off0000fda8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDA8 12280 bytes
SHA-256: e79d2f8b1f8da09344400a2d5c93ca9f51891439a597e5fccb871c83166f5e3d

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