Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fc2964e54a99ead…

MALICIOUS

PDF

72.8 KB Created: 2021-03-05 06:37:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: e5daec2bf746609d47d5b88c649524e9 SHA-1: f1ef957143bc6e661d14836b5b9bac90bd440edb SHA-256: 6fc2964e54a99eadd4782974b98aa8812f12f7e6ebb7b718ca8746f3cd45c004
196 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://resalured.ru/wix?keyword=kanawha+county+warrant+sweep PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4481275/normal_5fc6a7958e25f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4443598/normal_6025c478ad5f3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387033/normal_5fc643c87a47b.pdfIn PDF document text
    • https://waxajevigeko.weebly.com/uploads/1/3/1/4/131453715/1294216.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454290/normal_5ff5bef5ed60e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475380/normal_5fcbfeb3ea24d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381094/normal_6014608dec8d9.pdfIn PDF document text
    • http://karma-911.com/focusrite_scarlett_2i2_driver_mac_downloadwn2h6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392462/normal_602484af409c0.pdfIn PDF document text
    • http://tixesikixux.mygamesonline.org/the_law_of_success_book_in_hindi_price.pdfIn PDF document text
    • https://fazotevepokok.weebly.com/uploads/1/3/4/8/134865813/kaxaz_kaliwatasid.pdfIn PDF document text
    • http://xilenemivagola.mywebcommunity.org/gozanipas.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470400/normal_5fe116a961cfa.pdfIn PDF document text
    • http://belldiscount.ru/69631599984tdukn.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4473049/normal_603e488db3711.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413019/normal_5fc8c66de788c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488116/normal_6021957dc5171.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392215/normal_602712300f264.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zonafikepejese.onlinewebshop.net/where_is_kathie_lee_gifford_today.pdfIn PDF document text
    • http://tefetuzuzip.myartsonline.com/67792622541.pdfIn PDF document text
    • http://tulifal.onlinewebshop.net/shark_professional_lift_away_steam_mop_not_steaming.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_off0000e233.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE233 5152 bytes
SHA-256: 94229b1ab119c8c10210a1a57e7875ba93a1a1a00439d2ba0b93cb148ede776d
font_01_sfnt_off0000f3d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3D6 9892 bytes
SHA-256: 77c36400a8caba6d0fe305b9370e7bd1f2c2733f416f4453cfb022c80c2eede3

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