Malicious PDF — malware analysis report

Static analysis result for SHA-256 034ce0bcd49256e5…

MALICIOUS

PDF

68.6 KB Created: 2021-02-27 15:42:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 882b42d638ae4ac7c7447c2e82e6f58f SHA-1: 46c8b0b78385721cac3278aa234ed3327b389a14 SHA-256: 034ce0bcd49256e5883ea3e2618c33edde5bff57f606688a80895433d59e12f5
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://pelibifir.ru/wix?keyword=career+development+center+jackson+ms PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4416938/normal_5fee27fcb04fb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414339/normal_6011a9904195f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4494888/normal_601516b459ee0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450440/normal_60197c59029b5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451556/normal_6026552e10475.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488141/normal_5fd6dda088a43.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4377905/normal_5ff1b8acf2bf8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446286/normal_5fe4008080433.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4471711/normal_5fe0402c7fea6.pdfIn PDF document text
    • http://bagopuzexesop.iblogger.org/misubanidogiresuban.pdfIn PDF document text
    • https://cdn.sqhk.co/wujozuzewed/MhhIUhh/age_of_empires_2_trial_cheats_pc.pdfIn PDF document text
    • https://cdn.sqhk.co/nukunudakiju/jhbhd7S/suzujirex.pdfIn PDF document text
    • https://cdn.sqhk.co/fabukujeb/hdhdjj5/72375577037.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370273/normal_602509bc822c9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380219/normal_5fefc2b3bab9c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481528/normal_5fda34c979255.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481994/normal_6015cddf04572.pdfIn PDF document text
    • https://cdn.sqhk.co/savageven/gx9LSHL/phoenix_wright_ace_attorney_walkthrough_case_5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365613/normal_5ff124b1414f1.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://matezule.rf.gd/79004318769.pdfIn PDF document text
    • https://s3.amazonaws.com/vavapekadoliti/modulus_of_elasticity_of_stainless_steel_304.pdfIn PDF document text
    • http://muxosuzu.rf.gd/how_to_flip_houses_for_beginners.pdfIn PDF document text
    • https://s3.amazonaws.com/guwutivupudutu/23910369879.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_off0000d145.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD145 5324 bytes
SHA-256: a28be063550672f4945b80335bfa5a1004e8f3632a806b7d9a118bc3ad72d3f3
font_01_sfnt_off0000e356.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE356 9848 bytes
SHA-256: a68b381badb9e29e200cf1955a02364895dc6d1aa1a3f559c3d4928c20055817

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