Malicious PDF — malware analysis report

Static analysis result for SHA-256 053b88603255c581…

MALICIOUS

PDF

71.7 KB Created: 2021-02-21 01:01:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: 60f482b330429eaf58ad4fd0e9cc871a SHA-1: d4b0237c554260adf4049474ae3304a73c476821 SHA-256: 053b88603255c581f16eb163df23671869d4e02c24787d3301cdc96344b20ca3
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 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://maypoin.ru/wix?keyword=west+bend+900+watt+microwave+reviews PDF link annotation
    • https://kipejuxi.weebly.com/uploads/1/3/2/6/132682137/limivirujafu.pdfIn PDF document text
    • https://cdn.sqhk.co/jobiwokojo/L8hdJDH/cashbackpao_best_cash_back_coupons_and_deals.pdfIn PDF document text
    • https://cdn.sqhk.co/dodazija/hgfjfhh/facebook_search_by_name_without_account.pdfIn PDF document text
    • https://rajiketuwomap.weebly.com/uploads/1/3/5/9/135957261/8553855.pdfIn PDF document text
    • https://gilinolejokakis.weebly.com/uploads/1/3/4/6/134632374/6779653.pdfIn PDF document text
    • https://pujezifug.weebly.com/uploads/1/3/0/7/130738771/46e3543535.pdfIn PDF document text
    • https://cdn.sqhk.co/sifajoxojif/jeGcGqk/kakaostory_app_for_pc.pdfIn PDF document text
    • https://gazuxupoje.weebly.com/uploads/1/3/4/1/134108966/881530.pdfIn PDF document text
    • https://kezofufilulo.weebly.com/uploads/1/3/4/4/134488682/poxidili.pdfIn PDF document text
    • https://nelurorinubix.weebly.com/uploads/1/3/1/3/131384252/deduro.pdfIn PDF document text
    • https://cdn.sqhk.co/visukodo/RjbmiiP/how_to_fill_cube_shelves_to_wall.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://figofubinodafe.rf.gd/wewatenejidojonilaxix.pdfIn PDF document text
    • http://zazisuj.epizy.com/wow_vanilla_leatherworking_guide_alliance.pdfIn PDF document text
    • https://s3.amazonaws.com/wupixufekijax/bakugan_battle_brawlers_game_rom.pdfIn PDF document text
    • http://zalupadinukoz.rf.gd/spherical_harmonic_function_model.pdfIn PDF document text
    • http://jupuzagap.rf.gd/25676404267.pdfIn PDF document text
    • https://s3.amazonaws.com/tojazudibumogab/watogesuzuvezokidizibi.pdfIn PDF document text
    • https://s3.amazonaws.com/foneniz/zibuzatobekafideganu.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ccde.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCCDE 5444 bytes
SHA-256: 0d2948984d895c6323a8d34ffa16fb6534ea058a693afa994d43a79247ca7655
font_01_sfnt_off0000df4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF4E 10628 bytes
SHA-256: 13c85fb3ea3a853e7fa20658ee07a10b1936c13715bddfc15852d292994b5c32
font_02_sfnt_off00010395.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10395 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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