Malicious PDF — malware analysis report

Static analysis result for SHA-256 203b319835ce556e…

MALICIOUS

PDF

68.8 KB Created: 2021-03-02 05:11:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 823a261af3eba3f1510022aedef32803 SHA-1: 24b3a522b40259f4f54aba3d324f17866325f120 SHA-256: 203b319835ce556ea04a50dd51bc7e05d5f9b7916555baaa8315e8183ccb00aa
126 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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://botokaw.ru/wix?keyword=keller+lab+phone+number PDF link annotation
    • http://tomokatixo.mygamesonline.org/29008016028.pdfIn PDF document text
    • https://cdn.sqhk.co/keropolor/agdZJci/is_he_love_me_or_not.pdfIn PDF document text
    • http://xelasurugopu.mywebcommunity.org/is_the_fallout_new_vegas_dlc_worth_it.pdfIn PDF document text
    • http://pojekofa.iblogger.org/60660813494.pdfIn PDF document text
    • http://towajemikof.iblogger.org/criterios_de_asfixia_neonatal.pdfIn PDF document text
    • http://gubixazolela.sportsontheweb.net/mesorezowewugaxesogo.pdfIn PDF document text
    • http://mumijivamivaxij.medianewsonline.com/40807879921.pdfIn PDF document text
    • https://cdn.sqhk.co/naziwixolagu/eNhHzjg/classic_car_part_auctions_2020.pdfIn PDF document text
    • http://jedomagisuw.getenjoyment.net/61955820460.pdfIn PDF document text
    • https://xaburopufazig.weebly.com/uploads/1/3/6/0/136051881/681267.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://guwuwusiva.rf.gd/sanyo_65_inch_4k_smart_tv_reviews.pdfIn PDF document text
    • http://wolobugoxew.myartsonline.com/91168452558.pdfIn PDF document text
    • http://rowuvasifa.epizy.com/replacement_parts_for_rug_doctor.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_off0000d38d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD38D 4988 bytes
SHA-256: 9110581ea716eea06a63c084caecf5745c8be33548f276f68a5450b8938b0d61
font_01_sfnt_off0000e456.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE456 9976 bytes
SHA-256: ce84d753b2f1f60152b803068cab6c4d292fe53227f36d62821178f9b54fe957