Malicious PDF — malware analysis report

Static analysis result for SHA-256 285ae1f3ea272759…

MALICIOUS

PDF

69.9 KB Created: 2021-03-07 10:59:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 94bbc0bb23f2216e05ef8c94a1220058 SHA-1: cbbe62c04762212d062b8adc2859ec184ca41a0c SHA-256: 285ae1f3ea2727594fdf36b0b42d0108b0ff1057345b6173ddacb927859dd91f
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://midufefew.ru/award?keyword=vitamix+e320+costco+in+store PDF link annotation
    • http://pexawegowe.mywebcommunity.org/dojavil.pdfIn PDF document text
    • http://naturebiolog.space/un_potager_pour_nourrir_ma_famillee62ql.pdfIn PDF document text
    • http://lagefimuzupu.22web.org/2000_gmc_sierra_1500_tail_light_wiring_diagram.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402717/normal_603619e8bc51c.pdfIn PDF document text
    • http://winsbig.space/toxurajuxusazazimpk8dl.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408720/normal_60430a3c241bc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475389/normal_5fc68389c2a34.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385010/normal_60298daa6f710.pdfIn PDF document text
    • http://lnstagramverifiedsbadgeform.com/free_home_inventory_list_templatebg2e3.pdfIn PDF document text
    • http://copyrighthelpptteam.com/71972007634szbm0.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://dolanuvusipegu.myartsonline.com/top_sirloin_steak_on_george_foreman_grill.pdfIn PDF document text
    • https://s3.amazonaws.com/besafefaf/59427494321.pdfIn PDF document text
    • https://s3.amazonaws.com/julexekubaj/bujiwu.pdfIn PDF document text
    • https://s3.amazonaws.com/sazixipame/xatafom.pdfIn PDF document text
    • https://s3.amazonaws.com/xijalovelokolep/samsung_top_load_washer_error_codes_8c.pdfIn PDF document text
    • http://zomijoler.epizy.com/how_to_pair_jvc_headphones_to_ipad.pdfIn PDF document text
    • https://s3.amazonaws.com/mujevubutukoxu/backdrops_pro_apk_last_version.pdfIn PDF document text
    • http://fuguzametekobo.myartsonline.com/white_tiger_information_in_english.pdfIn PDF document text
    • https://s3.amazonaws.com/fukepez/pajufewuregasulomusoz.pdfIn PDF document text
    • https://s3.amazonaws.com/pusixa/scope_statement_template_word.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_off0000d319.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD319 5384 bytes
SHA-256: dac99eb14bfa25c412412428742ccad60365c9f11edebfa551860870a6b815fb
font_01_sfnt_off0000e559.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE559 10796 bytes
SHA-256: e75be38f786ac0a1efba7f9bbfc07bed5d2683b0363a13456ee0f7be099b2a5a

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