Malicious PDF — malware analysis report

Static analysis result for SHA-256 75bfa0c7351d6ae2…

MALICIOUS

PDF

70.8 KB Created: 2021-02-26 09:31:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 2516017f4747700909e7b71d74241849 SHA-1: cd723ee212572f1d4b73d224fd18bb8a69b36144 SHA-256: 75bfa0c7351d6ae28e441b877c70a453eab9c4589d4be6333e3c1cf3033d3a80
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://jacksth.ru/wix?keyword=cone+free+conditioners+for+natural+hair PDF link annotation
    • http://xumupizaxuto.scienceontheweb.net/is_clint_eastwoods_movie_the_mule_based_on_a_true_story.pdfIn PDF document text
    • http://nout-sale.site/axxess_aswc-1_steering_wheel_control_adapter_programminglm9pf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413851/normal_601c01a025c9b.pdfIn PDF document text
    • http://webdefilmizle.com/how_to_pair_denonkpybk.pdfIn PDF document text
    • http://fbdirect.site/bana_masal_anlatma_tek_para_full_izleppecv.pdfIn PDF document text
    • http://tarizuxewibob.22web.org/xajavadaxufukasatavin.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/xugigabitulu/formal_thank_you_letter_for_business_meeting.pdfIn PDF document text
    • https://s3.amazonaws.com/voropa/baby_photo_wallpaper.pdfIn PDF document text
    • https://s3.amazonaws.com/loranoduzuja/tewizexikiwunumi.pdfIn PDF document text
    • https://s3.amazonaws.com/lodazojamuva/wifolegop.pdfIn PDF document text
    • http://xomapagovujux.atwebpages.com/bibanazegosalufi.pdfIn PDF document text
    • https://s3.amazonaws.com/nijosinizo/center_tapped_transformer_24-_0-_24.pdfIn PDF document text
    • https://s3.amazonaws.com/wefadep/critical_ops_hack_android_no_verification.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_off0000d954.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD954 5012 bytes
SHA-256: 69dd4a0899cd2b64f80dce61c4a942f491219d0dbc57cbd544a22c68e97bb989
font_01_sfnt_off0000ea53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA53 10544 bytes
SHA-256: 47da987d12e2442f621c7f8db54c576ef06f5a34aceb86d575b48bdbe7935e12