Malicious PDF — malware analysis report

Static analysis result for SHA-256 32dd2ff331bc5f3b…

MALICIOUS

PDF

71.0 KB Created: 2021-02-21 06:37:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: fa99afa7686901d11cc5d1b8b4fc6cdd SHA-1: 7c61c0d326e62ee824558432a3dcb32520ca7ac3 SHA-256: 32dd2ff331bc5f3b3fb6af69cba17729de6b29d7e1e5a6ba4162190604991de6
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://jottigo.ru/wix?keyword=pictures+of+santa+claus%2527s+house PDF link annotation
    • https://cdn.sqhk.co/zojudaje/syaHzhi/smash_hit_juego_gratis_online.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379605/normal_5ff42a53d8812.pdfIn PDF document text
    • https://cdn.sqhk.co/ratijojitud/ie5jfFz/52198846482.pdfIn PDF document text
    • https://cdn.sqhk.co/rirerujel/hcAkRwS/game_warlords_2.pdfIn PDF document text
    • http://wewuped.iblogger.org/90552265785.pdfIn PDF document text
    • https://cdn.sqhk.co/fefamuve/geDijeO/wasesaguvigo.pdfIn PDF document text
    • http://xejevojesinil.22web.org/74767497814.pdfIn PDF document text
    • https://cdn.sqhk.co/gukugifixija/f3Cex0X/car_racing_helmets_vs_motorcycle_helmets.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://mosupixozijet.epizy.com/zixifaxululuxurakiviv.pdfIn PDF document text
    • https://s3.amazonaws.com/likerajatob/tf2_loose_cannon_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/vukumesoj/fijamebalegawunijotora.pdfIn PDF document text
    • https://s3.amazonaws.com/tabobujimo/vetatejemeger.pdfIn PDF document text
    • https://s3.amazonaws.com/mokuwanibof/andante_andante_sheet_music_piano.pdfIn PDF document text
    • http://kunaraxanoxun.epizy.com/77435375135.pdfIn PDF document text
    • http://balanuvanatitan.epizy.com/phun_algodoo_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/jofunozuzof/1654809255.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_off0000dc15.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC15 5004 bytes
SHA-256: 57a3a5a72479eed01acc832f7a8a3fe97768c51d2c1b05b6a2bc02688c1818c3
font_01_sfnt_off0000ed19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED19 9880 bytes
SHA-256: 28de7ecd2355a4f364c08c19f31acba0c0f24deed51557603e53b6895c16a83c

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