Malicious PDF — malware analysis report

Static analysis result for SHA-256 63200148ac0b30a4…

MALICIOUS

PDF

70.4 KB Created: 2021-02-27 19:30:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: d2af99373ffdd823c18bbfbba581bc7d SHA-1: e5fead9989fd86eba6d259b58151b98ce26e6031 SHA-256: 63200148ac0b30a49b6a41531fedd7da3bbbdd21652a26c22e57b80854a55e23
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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=how+many+calories+in+a+supersonic+bacon+double+cheeseburger PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4424024/normal_600c629e4b191.pdfIn PDF document text
    • http://fitokapss.xyz/lobib8t2cf.pdfIn PDF document text
    • https://cdn.sqhk.co/kafekogi/chhgyY8/download_dead_town_zombie_survival_mod_apk.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4376371/normal_5fe5e3e5916ae.pdfIn PDF document text
    • https://cdn.sqhk.co/waxusuxagaki/jbDchaC/xolemifitaditagasoj.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407780/normal_60310b2bb7ea0.pdfIn PDF document text
    • http://ig-socialmedia.xyz/gavexavopxiepm.pdfIn PDF document text
    • https://cdn.sqhk.co/febapaji/7gddhgL/savings_goals_by_age_30.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4445877/normal_5ffca362ca4dd.pdfIn PDF document text
    • http://top-shop-store.website/throw_java_exception_manuallyzih6h.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4500208/normal_602755bb37dfc.pdfIn PDF document text
    • https://cdn.sqhk.co/rirerujel/hege21Y/movie_finder_streaming.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413362/normal_5ffe8d8d7e923.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4478946/normal_5fe4d3f8a1d88.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488582/normal_602484ee4e376.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/bejokazemur/64424956884.pdfIn PDF document text
    • https://s3.amazonaws.com/lazesej/sobavoxivurogefuvidub.pdfIn PDF document text
    • https://s3.amazonaws.com/rovuweraja/peruvatalolugefuzef.pdfIn PDF document text
    • https://s3.amazonaws.com/tupofelasujewas/manifest_imdb_parents_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/nisoxow/multiple_photo_blender_apk.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_off0000c899.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC899 5584 bytes
SHA-256: d6c29b54e9e0f6ed38f2572a68f769fdd0bc45b36f19520a0fe93ec81a7c3d23
font_01_sfnt_off0000db5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB5C 10016 bytes
SHA-256: 177f6a19d0bf98e13a52669a83905cf3236e1f409927ff33a96d04752658e2b2
font_02_sfnt_off0000fda9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDA9 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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