Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6f6e3258b7899f6…

MALICIOUS

PDF

79.3 KB Created: 2021-03-30 05:40:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: a31bc6d6158a2b034f6788e5158db424 SHA-1: c267520e6f097cc5766389912d8334075e3feff7 SHA-256: e6f6e3258b7899f6cff956a58fb8ae5fac38c5465a05d3070e56a5a8a5273915
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 0.9954

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://lozipotod.ru/wix?keyword=filson+alaskan+guide+shirt+extra+long PDF link annotation
    • http://jenewazajasazu.getenjoyment.net/libros_apocrifos_catolicos.pdfIn PDF document text
    • https://cdn.sqhk.co/xavipinav/K9wiiif/dead_man_walking_book.pdfIn PDF document text
    • https://cdn.sqhk.co/vipujitebiki/Shchajg/8_ball_pool_app_download_uptodown.pdfIn PDF document text
    • https://cdn.sqhk.co/surodamiz/ibBqYii/ant_simulation_3d_insect_survival_game_mod_apk.pdfIn PDF document text
    • http://lazadacostumercenter.com/android_city_building_games_reviewv12ec.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485807/normal_60203a32e0aef.pdfIn PDF document text
    • https://cdn.sqhk.co/jixuvepabu/dughgho/bedford_reader_10th_edition.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420244/normal_60240eb92c7a4.pdfIn PDF document text
    • http://mists.space/tozila5zc7t.pdfIn PDF document text
    • http://getplafond.xyz/jumitodibozqyic.pdfIn PDF document text
    • http://luminar3-download.xyz/woribesenopepulifamulumegge6cy.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408343/normal_60296614efe0d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413223/normal_602113dd6b5cc.pdfIn PDF document text
    • http://midunetojonawiw.mywebcommunity.org/les_infortunes_de_la_belle_au_bois_dormant_ekladata.pdfIn PDF document text
    • http://lulodexov.scienceontheweb.net/remesewilazigojizitikoxo.pdfIn PDF document text
    • https://cdn.sqhk.co/soxuvezosapa/iAoYpgg/wingsuit_flying_training.pdfIn PDF document text
    • http://kufafukedexepix.mygamesonline.org/surinu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372399/normal_604fbd41b03b9.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/vapite/support_vector_machine_tutorial.pdfIn PDF document text
    • https://s3.amazonaws.com/nunakixuma/makedikopirogowusilu.pdfIn PDF document text
    • https://s3.amazonaws.com/vavebufevodutob/street_fighter_4_ce_mod_apk_obb.pdfIn PDF document text
    • https://s3.amazonaws.com/tobovunoberiki/ginafinunezetebi.pdfIn PDF document text
    • https://s3.amazonaws.com/zuvovoxigumuz/87363852161.pdfIn PDF document text
    • https://s3.amazonaws.com/zunewidimem/esercizi_di_analisi_logica_con_soluzioni.pdfIn PDF document text
    • https://s3.amazonaws.com/zifozujiwi/vetibove.pdfIn PDF document text
    • https://s3.amazonaws.com/bupaxomu/ssc_chsl_2018_notification.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_off0000eb21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB21 5056 bytes
SHA-256: 629df31ab43f00217b788e77b7e770d5f322e701bf35c83b2efb61112703a71d
font_01_sfnt_off0000fc41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC41 10844 bytes
SHA-256: b4e669726f11aed6b217ae96ffd4978e4bb940e8571c52249a5aabaac90e8c97
font_02_sfnt_off0001214c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1214C 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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