Malicious PDF — malware analysis report

Static analysis result for SHA-256 6be20c43ae8a554d…

MALICIOUS

PDF

71.3 KB Created: 2021-03-12 08:13:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 6e854d3752ef98e47cfc4f8efcbe1e76 SHA-1: b0c67d950bc45837b5370d9778dc03c2009ba7a6 SHA-256: 6be20c43ae8a554dcbe86da046f7d38a0a749df3c109562ce8ac01858e9b80ff
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://soxebez.ru/wix?keyword=organization+%2526+homeostasis+worksheet+answers PDF link annotation
    • http://terakusinuw.mypressonline.com/78861347604.pdfIn PDF document text
    • http://dokaxirugik.medianewsonline.com/cursive_learning.pdfIn PDF document text
    • http://zonizubiro.getenjoyment.net/how_long_did_the_horus_heresy_last.pdfIn PDF document text
    • http://nikaold.site/derirelibtx8tc.pdfIn PDF document text
    • https://cdn.sqhk.co/pifixijowoka/gijlihc/heroes_charge_tech_contest_difficulty_10.pdfIn PDF document text
    • https://cdn.sqhk.co/pobojatizopa/hiiejfr/78093945186.pdfIn PDF document text
    • https://cdn.sqhk.co/pugirunosamo/nijUji8/chuzzle_2_for_pc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4471083/normal_60055bbc7a8bf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4418579/normal_5ff12d1619678.pdfIn PDF document text
    • http://paringljkf.com/a_girl_adrift_legendary_fish_songel9eb.pdfIn PDF document text
    • http://falorilipeb.mywebcommunity.org/book_hotel_24_hours.pdfIn PDF document text
    • http://jijoxep.getenjoyment.net/sloan_flushmate_503_keeps_running.pdfIn PDF document text
    • http://warixedivukinat.mygamesonline.org/2012_jeep_grand_cherokee_srt8_0-60.pdfIn PDF document text
    • http://barajofa.mywebcommunity.org/what_religion_uses_the_book_of_enoch.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387816/normal_5fd98882f20c5.pdfIn PDF document text
    • https://cdn.sqhk.co/rebamomidaw/ijcGggc/sister_personal_safety_apps_2018.pdfIn PDF document text
    • http://pivolirarorip.mypressonline.com/nadomug.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/67da1788-bfe5-4733-9266-5a51a25ece12/stephen_hawking_books_list_english.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/19cc9457-d172-4bd5-a66d-a6e0fb776bd0/16444235247.pdfIn PDF document text
    • http://wolobugoxew.myartsonline.com/health_economics_definition_example.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/79206039-89c3-4879-afae-238240f83c17/11695819155.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8445e20e-81c4-4497-850b-57ac852e516e/social_constructionist_theory_examples.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_off0000ddac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDAC 4712 bytes
SHA-256: 205e47b1b1f8c5d52495704db75ef72a645cb021b30599f9eddd8343a844b0d8
font_01_sfnt_off0000edc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDC0 9972 bytes
SHA-256: f982ea7125cc3047858dd082518e3b6bccc82b91a33c904b0641897d4de0bf88

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