Malicious PDF — malware analysis report

Static analysis result for SHA-256 00db2287404474f2…

MALICIOUS

PDF

66.4 KB Created: 2021-03-06 11:49:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: c92998807339eda7a21eea3804a2bf03 SHA-1: 91940779c45b8cf2c32a5c26722abe2be7ea61f9 SHA-256: 00db2287404474f22d8416ac15ceecc31ecd9b427028d7cac35290416517fa07
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://kuzutuzo.ru/wix?keyword=texture+pack+maps PDF link annotation
    • http://zugugalepew.mypressonline.com/apc_ups_be550g-gr.pdfIn PDF document text
    • https://cdn.sqhk.co/kupujape/he4HgfZ/sefegefe.pdfIn PDF document text
    • https://cdn.sqhk.co/nububufi/ghiFHgj/94410589873.pdfIn PDF document text
    • https://cdn.sqhk.co/livaxipovage/w8idjhi/gebowi.pdfIn PDF document text
    • http://jovefupe.mywebcommunity.org/decision_tree_in_system_analysis_and_design.pdfIn PDF document text
    • https://kufoxigokutef.weebly.com/uploads/1/3/1/8/131856815/9654914.pdfIn PDF document text
    • https://cdn.sqhk.co/rabawula/4DviaDf/spider_man_venom_game.pdfIn PDF document text
    • https://cdn.sqhk.co/josipinu/hdhaugc/family_fun_center_bowling_shoes.pdfIn PDF document text
    • http://midarujiwuvi.mygamesonline.org/22124642616.pdfIn PDF document text
    • https://cdn.sqhk.co/pategazikiw/ijhhgcY/factory_inc_garage.pdfIn PDF document text
    • https://cdn.sqhk.co/ximirujusuxo/hp3nji4/31920765337.pdfIn PDF document text
    • https://cdn.sqhk.co/bevurokakug/sifgNgd/revolut_set_up_auto_top_up.pdfIn PDF document text
    • http://lixorajepidil.mygamesonline.org/pezodutivarutunak.pdfIn PDF document text
    • https://buxapuwale.weebly.com/uploads/1/3/2/8/132815799/435c0e.pdfIn PDF document text
    • https://cdn.sqhk.co/letijefa/gc4ghfe/fluffy_vanilla_cake_recipe_no_milk.pdfIn PDF document text
    • http://rulabepotinujeb.mypressonline.com/wunud.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://6b52f5a6-db44-4d3e-8337-ab33c729cb13.filesusr.com/ugd/f4de5e_c6c6cadf8b8343b5a4a6ca958473986f.pdf?index=trueIn PDF document text
    • https://bb74f61c-7045-47bf-9a7e-968101ee373e.filesusr.com/ugd/81ef4b_90946c05b0c748f5a9ac359b448e40c6.pdf?index=trueIn PDF document text
    • https://09235f31-469a-4613-94fc-36d04c1f642a.filesusr.com/ugd/8b6407_22c6499cf776458283c3cbadbed14dc0.pdf?index=trueIn PDF document text
    • http://duwemanuwixam.atwebpages.com/black_and_decker_steamer_rice_cooker_instructions.pdfIn PDF document text
    • http://xemigososefof.atwebpages.com/sasovetesulesidud.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_off0000c775.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC775 5128 bytes
SHA-256: ddf585401930013fc55b4040fb698de04872b5835aea69dadd4941fc7338dab1
font_01_sfnt_off0000d8d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8D8 10460 bytes
SHA-256: f8d0ab9cfafa5494fcc71fb8b2c9c219e5929cd6dec2c223227b16d36ccefdac