Malicious PDF — malware analysis report

Static analysis result for SHA-256 12ce9eed40c617cd…

MALICIOUS

PDF

71.3 KB Created: 2021-02-18 04:27:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 2e8f34b92c9b9a224e6f71d3becf6f17 SHA-1: d89192bce073646240f06a49a3c6bbba7eadc4c5 SHA-256: 12ce9eed40c617cdd47c647769d09a2e14b8e4fc27c1b5dc13a7ea867f8aa753
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://jacksth.ru/wix?keyword=excel+2020+for+dummies PDF link annotation
    • https://cdn.sqhk.co/kosenopelid/wrjcPlx/96552310480.pdfIn PDF document text
    • https://topuzuxet.weebly.com/uploads/1/3/0/7/130739133/rupixor.pdfIn PDF document text
    • https://pimazapodozem.weebly.com/uploads/1/3/2/8/132814260/doposodasufeto.pdfIn PDF document text
    • https://cdn.sqhk.co/ruzivogawa/hjfhhjd/bateripinopoxele.pdfIn PDF document text
    • http://logekolumo.22web.org/pavubobu.pdfIn PDF document text
    • https://cdn.sqhk.co/zebasama/7UgiK0s/shoot_em_up_full_movie_watch_online.pdfIn PDF document text
    • https://tifavuloxu.weebly.com/uploads/1/3/0/7/130776439/2ea90173fd01.pdfIn PDF document text
    • https://cdn.sqhk.co/wuvinudubuno/cggIgfU/graphic_design_apps_for_mac_pro.pdfIn PDF document text
    • https://velazidolis.weebly.com/uploads/1/3/0/9/130969689/bf06dab.pdfIn PDF document text
    • https://cdn.sqhk.co/kusonemap/iitjirj/greatest_military_strategist_ever.pdfIn PDF document text
    • https://bikigevoxepasi.weebly.com/uploads/1/3/4/7/134716722/barijizozovezagakop.pdfIn PDF document text
    • https://cdn.sqhk.co/zirizowesaw/gjh2eic/gun_shoot_war_q_mod_apk_home.pdfIn PDF document text
    • https://cdn.sqhk.co/bepifopid/Gjbhe1Z/business_manager_jobs_in_schools_west_midlands.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
    • https://s3.amazonaws.com/zumomasugipeno/bt_email_stopped_working_on_android.pdfIn PDF document text
    • https://s3.amazonaws.com/wutogugej/lexivagevev.pdfIn PDF document text
    • https://s3.amazonaws.com/sajatesawodiji/vabigidekolamanenakuxes.pdfIn PDF document text
    • https://s3.amazonaws.com/vovopafubipu/introduction_to_spreadsheet_application_features_and_function.pdfIn PDF document text
    • https://s3.amazonaws.com/jemazejodep/atheros_wireless_lan_driver.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d047.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD047 4952 bytes
SHA-256: 19d41a5ccb2c00f490ba9222dcb821f64067a2e5c5fd8c2bb2c3e620cceebb13
font_01_sfnt_off0000e120.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE120 9576 bytes
SHA-256: 4ac0b79251c727b150be95e35e0c380dfed70addd942b8680124456489149517
font_02_sfnt_off000101e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x101E4 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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