Malicious PDF — malware analysis report

Static analysis result for SHA-256 30c12f3431abf4c6…

MALICIOUS

PDF

71.0 KB Created: 2021-03-18 19:51:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: e47f0158a9c7f23de1b49005efb3ed14 SHA-1: d76419c47bc327bf230231f0f3d1dd2eaaae9d98 SHA-256: 30c12f3431abf4c62ea41b1b6b246b398a0705f7a53ecb0270423fdf77ab9140
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9956

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://pelibifir.ru/123?utm_term=chainsmokers+closer+video+song+lyrics PDF link annotation
    • https://cdn.sqhk.co/jabisopomuxo/jghbjjQ/clean_road_bike_chain.pdfIn PDF document text
    • https://cdn.sqhk.co/posojuvapono/ieZjjiQ/washington_crossing_the_delaware_painting_for_sale.pdfIn PDF document text
    • http://vobugefu.22web.org/denon_avr_1312_manual.pdfIn PDF document text
    • http://dujosibixejo.22web.org/ncert_class_11_chemistry_book_download.pdfIn PDF document text
    • https://cdn.sqhk.co/fuxiwimemo/hVmFVge/runnings_st_cloud_grand_opening.pdfIn PDF document text
    • https://cdn.sqhk.co/wirowanorax/hjiihf7/once_upon_a_tower_game_characters.pdfIn PDF document text
    • https://cdn.sqhk.co/pufuxogife/eDgcMii/dalurulimutunepefafeto.pdfIn PDF document text
    • https://cdn.sqhk.co/givesaxi/coUEuxa/63501979499.pdfIn PDF document text
    • http://zapapoberok.iblogger.org/central_and_peripheral_nervous_system_lesions.pdfIn PDF document text
    • https://cdn.sqhk.co/rijomawonuj/hhiWVji/15595433333.pdfIn PDF document text
    • https://cdn.sqhk.co/gajamomol/hiiiG9B/25074909424.pdfIn PDF document text
    • https://cdn.sqhk.co/gosukutusu/gGsjcaF/4_immagini_1_parola_islanda_2020.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/wekibik/arches_national_park_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/zumomasugipeno/12857516258.pdfIn PDF document text
    • https://s3.amazonaws.com/voxazedisula/zamozojejulorejiba.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/739f33f7-996c-49c3-9b98-3f9f1cf8ea65/what_is_italian_for_woe_is_means_in_bible.pdfIn PDF document text
    • https://s3.amazonaws.com/nefunupu/what_is_the_passing_score_for_cpc_exam.pdfIn PDF document text
    • https://s3.amazonaws.com/tinivukedeta/charity_and_andres_duels_full_performance.pdfIn PDF document text
    • https://s3.amazonaws.com/fipijife/wovomepame.pdfIn PDF document text
    • https://s3.amazonaws.com/zarusegibitumet/38524489478.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d31adce5-f0b3-468e-a794-eff4a3cbc760/how_to_work_the_keurig_coffee_maker.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/065781cd-ecdc-4d89-b0cc-a2ece1528c33/how_to_change_colors_on_afterglow_controller_xbox_one.pdfIn PDF document text
    • https://s3.amazonaws.com/zufaxepixiguxax/90165903813.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a56edcf7-bb6f-4c66-9686-26014248b0b9/polovuwezujidizinew.pdfIn PDF document text
    • http://nitovotiroxe.epizy.com/xevavu.pdfIn PDF document text
    • https://s3.amazonaws.com/bededuxotulapil/94502167464.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3a1f8864-ea4d-4575-b73d-874157fa71b6/fedobutevedonixeda.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_off0000dab3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDAB3 5484 bytes
SHA-256: dd515a21d143585e210c0212c99316fb7ce2d7bfce4263c5bcc257254c77beff
font_01_sfnt_off0000ed35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED35 9932 bytes
SHA-256: b051ec3ca855b97e6a39f071bbcc0ee30cff8d05c1cddc700329098c5975cb85

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