Malicious PDF — malware analysis report

Static analysis result for SHA-256 e70c09447f8e5398…

MALICIOUS

PDF

70.7 KB Created: 2021-03-21 04:08:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 9cd27019a6c4fcf46485d29d8229b4df SHA-1: d13dda3679dc7c532bdfa6bcee5c98b865b8afec SHA-256: e70c09447f8e5398c903f3a4abaea64aa21f6886cfc8e5b146c6c1b466bb195b
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://seumenha.ru/wix?keyword=harlem+school+district+calendar PDF link annotation
    • http://leaninrzpd.site/does_the_turtle_beach_stealth_600_have_bluetoothzmy63.pdfIn PDF document text
    • http://qiwi-wallet.online/cute_puppies_for_sale_near_me_freeoqkhd.pdfIn PDF document text
    • http://hardcreditcheck.info/50477527415q3u17.pdfIn PDF document text
    • http://santand-es.com/xivosupatima945g.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4394061/normal_601102e0c933f.pdfIn PDF document text
    • http://storedubai.shop/how_to_measure_home_energy_efficiencyuu2x9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459319/normal_602da3f7dab43.pdfIn PDF document text
    • http://serdyukov.pro/how_to_draw_a_simple_realistic_dogzo6rk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460944/normal_6012103519e1d.pdfIn PDF document text
    • http://kino-vezde.ru/sv650s_service_intervalsbob0b.pdfIn PDF document text
    • http://dragonflysagewellness.com/wifuwokoniwiu0kkt.pdfIn PDF document text
    • http://gratoramaa.website/nuvinuvoxowatoratagyw89.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/8edc5320-cc8d-46db-812f-6eddb27c4cb6/givupuri.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/12256ae4-78e3-4490-bf57-cdde40b78524/32234275168.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6a4573ab-cd74-4c6b-94f5-f3cccfd477fc/place_value_chart_printable_2nd_grade.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/99b81740-a600-472a-9e11-91412a5dfb13/how_much_do_pr_account_managers_make.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7aee80bc-07f4-4aea-b62f-5ee888a91b4c/will_rangers_apprentice_become_a_movie.pdfIn PDF document text
    • https://s3.amazonaws.com/vipinib/sales_account_manager_interview_questions_and_answers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a764aa86-dae8-438c-aebb-88b549c5e874/the_endless_river_forever_and_ever.pdfIn PDF document text
    • https://s3.amazonaws.com/zubata/book_review_reasons_to_stay_alive.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_off0000d77b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD77B 5140 bytes
SHA-256: 861765aa31377e6024e6aa2f3b48c83fcad30a580a622678e38bb7eff67e745d
font_01_sfnt_off0000e8c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8C0 10316 bytes
SHA-256: a14e55a3dab91da126ba2d0c57439c5295aca164c61019c9205fa4d01c72856e

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