Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d96b8c7c6f79d5a…

MALICIOUS

PDF

69.3 KB Created: 2021-03-02 04:20:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 94bf79b70d9e01f45fb5cebfd27b453c SHA-1: 5145e262c941457c0da73552f96e0cff8862036a SHA-256: 3d96b8c7c6f79d5ad5fc486e50b68e6bffa44118162207935751c840a6c2723b
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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://jumiwimov.ru/wix?keyword=emerson+convection+microwave+manual PDF link annotation
    • http://finansi-7.online/nordictrack_2450_vs_x11ihs3us.pdfIn PDF document text
    • https://bazifimu.weebly.com/uploads/1/3/4/6/134661545/6ef69220.pdfIn PDF document text
    • http://prod-fruit.space/metotalivomezepejutewunaxk1q58.pdfIn PDF document text
    • https://pupiwukonavi.weebly.com/uploads/1/3/2/6/132682553/5043724.pdfIn PDF document text
    • https://getivafet.weebly.com/uploads/1/3/5/9/135960962/poguvapudejavidufuzo.pdfIn PDF document text
    • http://tupaxeguna.scienceontheweb.net/the_power_of_doing_less_download_free.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385648/normal_600b406ed8d0a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402720/normal_6010b3909e640.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487409/normal_5fdc871cc0c45.pdfIn PDF document text
    • http://meetsol.xyz/xumozefinamazopunexefus97hm6.pdfIn PDF document text
    • http://punejew.mygamesonline.org/social_security_income_tax_for_2020.pdfIn PDF document text
    • http://cmb-accueil.com/problemas_de_porcentajes_dificilesd578t.pdfIn PDF document text
    • https://dofafurubes.weebly.com/uploads/1/3/4/7/134762343/9896233.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/vipuxafol/dark_side_of_charismatic_leadership.pdfIn PDF document text
    • https://s3.amazonaws.com/fidefofudi/zipezakudutinuwaj.pdfIn PDF document text
    • https://s3.amazonaws.com/turip/paris_louvre_museum_guided_tour.pdfIn PDF document text
    • http://xafinoligu.epizy.com/wogokobotepikukuwolakojez.pdfIn PDF document text
    • http://wojibikifi.myartsonline.com/30074535008.pdfIn PDF document text
    • https://s3.amazonaws.com/fizup/indian_oil_sustainability_report.pdfIn PDF document text
    • http://lobopekogolo.onlinewebshop.net/washington_state_mens_basketball_score.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_off0000c72f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC72F 4936 bytes
SHA-256: 56a5cfbeb94e1b5737e649c1171d745ea65ca925c92c273098531d15987bf8af
font_01_sfnt_off0000d7ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD7EA 9868 bytes
SHA-256: 9c8639055bec19cfe335452c2a62612146904fa9a6fafcb3ce00ec6913b455da
font_02_sfnt_off0000f9a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9A4 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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