Malicious PDF — malware analysis report

Static analysis result for SHA-256 976868f2f1afcd0c…

MALICIOUS

PDF

73.1 KB Created: 2021-02-12 05:26:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: f0f3452169dd0ed81a53d746b03d4fc6 SHA-1: f066361cbdd112e00d02b24bfb8f919f3ef7c86d SHA-256: 976868f2f1afcd0c50d68a98fb274a555d56b39bd59acb523e82e015f1763351
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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://seumenha.ru/wix?keyword=buncombe+county+warrant+lookup PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4370051/normal_5fcf1a97989c2.pdfIn PDF document text
    • https://cdn.sqhk.co/bivuwusim/hjbifij/kill_shot_bags.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382639/normal_6013a85cb10cf.pdfIn PDF document text
    • https://cdn.sqhk.co/zimajigon/ajdeggG/rivusekufuxosir.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4472188/normal_5fef10ec7dba8.pdfIn PDF document text
    • https://cdn.sqhk.co/xidujefonari/bGCigBv/domino_s_pizza_country_club_road.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/fonibinaraj/niwemomudo.pdfIn PDF document text
    • https://s3.amazonaws.com/ditiruz/5140156151.pdfIn PDF document text
    • https://s3.amazonaws.com/xisefowu/microsoft_excel_meeting_agenda_template.pdfIn PDF document text
    • https://s3.amazonaws.com/sukedil/bewars_telugu_naa_songs.pdfIn PDF document text
    • https://s3.amazonaws.com/patotale/81433451643.pdfIn PDF document text
    • https://s3.amazonaws.com/nawosineromigi/data_entry_form_meaning_in_tamil.pdfIn PDF document text
    • https://s3.amazonaws.com/bupaxomu/ccleaner_pro_full_bagas31.pdfIn PDF document text
    • https://s3.amazonaws.com/kakekojezutok/15398192249.pdfIn PDF document text
    • https://s3.amazonaws.com/zuwosil/jewellery_website_templates_free_responsive.pdfIn PDF document text
    • https://s3.amazonaws.com/tiniruru/wadugapuwaf.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_off0000e075.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE075 5348 bytes
SHA-256: 1587155452c992ed85b5fe675592ab78e911713216c90507437751be215c334b
font_01_sfnt_off0000f2a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2A8 10868 bytes
SHA-256: 343918c231ce2b6a06dcefe12546d719881357a4db715c57b711caaeaf2e8c88

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