Malicious PDF — malware analysis report

Static analysis result for SHA-256 03e4c20fdd10deb1…

MALICIOUS

PDF

69.1 KB Created: 2021-02-20 02:28:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: c22d4b42ac70caeb9537826954a7f008 SHA-1: 7157d5d3572ac1b71e70804a78e3d3612af8d204 SHA-256: 03e4c20fdd10deb1a85d0002fe6bb51958183a584e5122bc5a0443da697801be
194 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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://crophysi.ru/wix?keyword=intermatic+heavy+duty+timer+manual In PDF document text
    • https://static.s123-cdn-static.com/uploads/4454672/normal_5fcaa21e8e947.pdfIn PDF document text
    • https://cdn.sqhk.co/kekotenonaxu/gejgehe/galaxy_wars_ice_empire_download.pdfIn PDF document text
    • https://cdn.sqhk.co/munuluxel/BhiiWkq/mojarodetesidowogakibim.pdfIn PDF document text
    • https://cdn.sqhk.co/sisamide/jjjVXBJ/online_bill_check.pdfIn PDF document text
    • https://cdn.sqhk.co/jitolado/childb2/bebukenimik.pdfIn PDF document text
    • https://cdn.sqhk.co/gejixoneku/eWSsicD/depefunu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4479710/normal_5fe31c8172839.pdfIn PDF document text
    • https://cdn.sqhk.co/bezakebijuk/gjhjclW/faralabozizapuvewuwom.pdfIn PDF document text
    • https://cdn.sqhk.co/susojareb/dgjghia/adt_pulse_sensor_offline.pdfIn PDF document text
    • https://cdn.sqhk.co/dofewijoras/gc4ibdh/anime_samurai_images_hd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4424011/normal_5fe62a08208cd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4448129/normal_5fedf3687869b.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/zedilegol/formal_dress_hire_wellington_nz.pdfIn PDF document text
    • https://s3.amazonaws.com/takurugilij/kajuve.pdfIn PDF document text
    • http://jakunivejejaxo.rf.gd/bigasoft_video_er_pro_portable_license_key.pdfIn PDF document text
    • https://s3.amazonaws.com/rilexazejuzovep/4853576781.pdfIn PDF document text
    • https://s3.amazonaws.com/lodazojamuva/sezawaferunupemupakokof.pdfIn PDF document text
    • https://s3.amazonaws.com/dazinibonofobi/terraform_s3_bucket_object_level_logging.pdfIn PDF document text
    • https://s3.amazonaws.com/sixolose/sygic_full_apk_cracked_espaol.pdfIn PDF document text
    • https://s3.amazonaws.com/gekojulog/47920711362.pdfIn PDF document text
    • http://vaxutusurinav.epizy.com/alejandro_magno_biografia.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_off0000c7c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC7C2 5100 bytes
SHA-256: ed941963e4095c300d5e87ecc13aee240cd729ea97a8a826349b8823426ad444
font_01_sfnt_off0000d8f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8F3 14176 bytes
SHA-256: 74ee9db603a6b28f0b5e0dcb1a120f2078d7d11bc1117e7f965b4ef5835522a8

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