Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b6d4fe661c6563e…

MALICIOUS

PDF

72.2 KB Created: 2021-03-02 19:20:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: f225d0371eee3625d36a1dc4417b06f6 SHA-1: 140027451c926f13d89ed754cfdfd504b1a5691a SHA-256: 0b6d4fe661c6563eb3b1ec012cbc70d8214ef53081a60d7cc98414574f26c9a1
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://seumenha.ru/award?keyword=hoover+steamvac+dual+v+widepath+with+auto+rinse PDF link annotation
    • https://cdn.sqhk.co/lefuwaregew/jzI2zhh/my_dream_life_home_design_story_game.pdfIn PDF document text
    • http://mitatizizuje.mypressonline.com/arduino_uno__ethernet_shield.pdfIn PDF document text
    • https://cdn.sqhk.co/nadetajagupe/hcAjeid/xprofile_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/numiwufeguv/hdijKjq/dotumefevokifarisa.pdfIn PDF document text
    • https://diwekapuxejube.weebly.com/uploads/1/3/1/4/131455019/zoralizu_topenodis_xigavagefe_kusipa.pdfIn PDF document text
    • https://cdn.sqhk.co/xixujipum/N33hjJM/wixitotivuwub.pdfIn PDF document text
    • http://euromarket.pro/pomafiwub7cgew.pdfIn PDF document text
    • http://wugupomovupa.sportsontheweb.net/botumimawekej.pdfIn PDF document text
    • http://iuts.space/47651453103qyxfh.pdfIn PDF document text
    • http://vatidenow.medianewsonline.com/how_long_to_learn_music_theory.pdfIn PDF document text
    • http://vikiduxa.mywebcommunity.org/wu_tang_collection_-_kung_fu_movies_in_english.pdfIn PDF document text
    • http://poxumanavofeboz.scienceontheweb.net/dyson_cinetic_big_ball_animal_vacuum_assembly.pdfIn PDF document text
    • http://memowelubi.mygamesonline.org/what_does_shatter_mean.pdfIn PDF document text
    • http://sugameloxufe.mywebcommunity.org/jiboforazusofame.pdfIn PDF document text
    • http://wedipum.mygamesonline.org/the_human_animal_desmond_morris_quotes.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/figidireki/12584136869.pdfIn PDF document text
    • http://nabenejajoko.myartsonline.com/wolumasegazoresoropexod.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_off0000dcf9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDCF9 5424 bytes
SHA-256: 3b3680532e65260358f75615df3ed8eb9766328dc4923b0f7acafe5d74e7145b
font_01_sfnt_off0000ef53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF53 10600 bytes
SHA-256: 1ec03576ee67b32870f15526b3698bd7367a4cecf1f24d012d6286f69d523cbe