Malicious PDF — malware analysis report

Static analysis result for SHA-256 182a371b8315ac25…

MALICIOUS

PDF

71.0 KB Created: 2021-03-06 03:24:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: d896fe59675bd0bcd97c24d9ae15c4e2 SHA-1: 2ab46b1a3f744b2b08e7f3a03144e46ef968f98b SHA-256: 182a371b8315ac258035cbe1b929cfad28c180006886ebaa5555f52ce472fca6
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://midufefew.ru/award?keyword=bose+sounddock+series+3+bluetooth PDF link annotation
    • http://kotowis.22web.org/android_version_for_samsung_note_5.pdfIn PDF document text
    • https://cdn.sqhk.co/pixafosabow/jdbjg2M/fatez_unturned_zombie_survival_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/posukomokufi/ba1Dxge/3839377472.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383792/normal_5ffa0a1d02ce7.pdfIn PDF document text
    • http://faxagigotitij.66ghz.com/fozipiwuto.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366623/normal_603ed9ccd44cb.pdfIn PDF document text
    • http://xemepuvaxeliv.iblogger.org/combiner_plusieurs_en_1_seul.pdfIn PDF document text
    • http://kudijajipiwi.iblogger.org/does_having_a_w_on_transcript_matter.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4499636/normal_603cfe90a479f.pdfIn PDF document text
    • https://cdn.sqhk.co/nalogigoke/hgifMrb/rock_music_online_radio_station.pdfIn PDF document text
    • https://cdn.sqhk.co/bitizulokiva/pid1hje/50064793758.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tuvugagud.epizy.com/86861552841.pdfIn PDF document text
    • https://s3.amazonaws.com/gifojuxaxeva/32398959732.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c547e992-72c7-4df2-9573-85e367a90b38/english_conversation_18.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d6c4b8e6-676c-4bf4-b120-d095f210e326/how_to_factory_reset_my_roomba.pdfIn PDF document text
    • http://josamex.epizy.com/the_vampire_diaries_season_3_episode_8_full_episode_free_online.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c789e655-31a6-4b8c-99de-7b9449429738/como_se_dice_lactancia_materna_en_ingls.pdfIn PDF document text
    • http://puzuzebud.epizy.com/45695504279.pdfIn PDF document text
    • https://s3.amazonaws.com/jewizopukuni/grammar_exercises_for_class_10_with_answers.pdfIn PDF document text
    • http://romisov.epizy.com/52033145506.pdfIn PDF document text
    • https://s3.amazonaws.com/jexijer/stihl_bg56c_repair_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/xamapebonijos/xunurajozekevamugagapu.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_off0000d93d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD93D 5232 bytes
SHA-256: 2bbe0cd3191c01398e5218c64a1f1502edd0d8ebb157d526b0273b66563138b0
font_01_sfnt_off0000eb06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB06 10472 bytes
SHA-256: fd9c15e0c0383f69329a190f1947f5615038224cd1cda7df2088c584e588d5e2

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