Malicious PDF — malware analysis report

Static analysis result for SHA-256 6686e53a7ce22ff9…

MALICIOUS

PDF

72.4 KB Created: 2021-02-18 16:37:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-13
MD5: ff2db0a650d26a3ca4630c2ff6156257 SHA-1: 9b75df40efb8786a32f12982883e43d5e31dfb1e SHA-256: 6686e53a7ce22ff97906e06cd430e5116ab3ffac5976ac610e6cc4a23b6d4b6a
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://leonvi.ru/wix?keyword=the+three+g%2527s+meaning PDF link annotation
    • http://klyshsheff.xyz/16887715956dqno9.pdfIn PDF document text
    • http://dirtygirl.fun/97104744665e0wgg.pdfIn PDF document text
    • http://zagavogafewakud.iblogger.org/zumeroxujumakajote.pdfIn PDF document text
    • http://ig-verifiedsbadge.com/30008385213xdz67.pdfIn PDF document text
    • http://remont-kholodilnikov.website/tasobepenomhljz6.pdfIn PDF document text
    • http://cashfree.store/7938740905k6lwr.pdfIn PDF document text
    • http://heleogose.online/2020_gartner_magic_quadrant_for_cloud_hcm_suitesce2in.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://muwalolerede.epizy.com/25471714759.pdfIn PDF document text
    • http://lijizuzinarit.epizy.com/50810800945.pdfIn PDF document text
    • https://s3.amazonaws.com/bisiku/oxford_placement_test_2_grammar_answers.pdfIn PDF document text
    • http://zotapem.rf.gd/70567825607.pdfIn PDF document text
    • http://kebanibaru.epizy.com/38428904628.pdfIn PDF document text
    • http://vaxavepado.rf.gd/stinky_shoes_dryer_sheets.pdfIn PDF document text
    • https://s3.amazonaws.com/vawoginele/vozitixotojoxesomato.pdfIn PDF document text
    • http://bevojekibawe.rf.gd/95319730189.pdfIn PDF document text
    • http://gagivipupine.epizy.com/86873887961.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_off0000d591.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD591 3048 bytes
SHA-256: ee6caa5a4918f8c5499455f3560dfc65323b3ee1474969e17dfd45e27d54f4f6
font_01_sfnt_off0000e081.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE081 5048 bytes
SHA-256: 272ba7e7d6a13a948cfdfd83bf10fd24cc755e97ecac7f9092e4396a50f45524
font_02_sfnt_off0000f188.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF188 10160 bytes
SHA-256: 736622540ac9a1f6e6c72785b36f1fc92b567ef1d77f8faf436d20c88ed94cb8