Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b092687e1f41875…

MALICIOUS

PDF

76.6 KB Created: 2021-03-05 11:51:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 34de814baa18ff936b0dd72164321ecb SHA-1: a051919ece8db3889a123668f3bbbd54ccec1a96 SHA-256: 2b092687e1f418758e7361b1d6f086a57aa52cce55088ce7e6669e1f34821ac4
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://jumiwimov.ru/award?keyword=wendy%2527s+menu+nutrition+calculator PDF link annotation
    • http://bottlechainworld.com/european_football_championship_2020_scheduletls2h.pdfIn PDF document text
    • http://tradebot.space/louisiana_purchase_and_exploration_map_activity_answersmaejt.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462974/normal_6023030b112a7.pdfIn PDF document text
    • http://rostov-mobile-doctor.ru/nebezimutivobufejesuwgq8x7.pdfIn PDF document text
    • http://pubggaming.online/manual_de_procedimientos_bibliotecas_escolares_mepvymys.pdfIn PDF document text
    • http://maykistore.ru/kabaddi_score_sheet_symbolsztjm8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4423136/normal_5fe242847e1c9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365591/normal_601092d5e0be9.pdfIn PDF document text
    • http://prizinsta24.online/8557590564156cdk.pdfIn PDF document text
    • http://helpcopyright-service.com/portfolio_design_graficozmufw.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/kuxegu/do_dotted_line_reporting_relationships_work.pdfIn PDF document text
    • https://s3.amazonaws.com/jozetej/remember_the_titans_movie_guide_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/jikopot/bahut_pachtaoge_song_mr_jatt.pdfIn PDF document text
    • https://s3.amazonaws.com/babetafaperaxov/gaxapogazinatobizaz.pdfIn PDF document text
    • https://s3.amazonaws.com/supefujoxopubu/abaqus_software_student_version.pdfIn PDF document text
    • https://s3.amazonaws.com/wogikokuzotaxa/tidewuvurikunag.pdfIn PDF document text
    • https://s3.amazonaws.com/bepukuba/no_limit_holdem_theory_and_practice.pdfIn PDF document text
    • https://s3.amazonaws.com/laginekux/naruto_shippuden_ninja_storm_4_apk_obb.pdfIn PDF document text
    • https://s3.amazonaws.com/rewepalazamiso/9921267479.pdfIn PDF document text
    • https://s3.amazonaws.com/sivanira/bedsheet_king_size_bed.pdfIn PDF document text
    • https://s3.amazonaws.com/ximupuv/chocobo_race_guide_ffx.pdfIn PDF document text
    • https://s3.amazonaws.com/radubozufiwo/librarians_guide_to_homelessness_amazon.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_off0000e2b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2B1 5116 bytes
SHA-256: 722aef9d854dd6bb0daec24159c8acea53507991b308456367aceeb8078c9df9
font_01_sfnt_off0000f407.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF407 10100 bytes
SHA-256: b67432c9553c95fdd3f6655f9a0f8c2190669cfea6ce5cee652ef5bd7e6fdcff
font_02_sfnt_off00011697.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11697 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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