Malicious PDF — malware analysis report

Static analysis result for SHA-256 0fa40d50311c6a17…

MALICIOUS

PDF

81.4 KB Created: 2021-03-22 16:51:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 1baefe31f329159fbee72007ba400128 SHA-1: e75114fbb23c3d82722f766373b442b36de68e7f SHA-256: 0fa40d50311c6a17277eea41b43df44502f4fe4c7d1d817c97f74e04d7efa3ae
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 0.9993

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://golowaki.ru/wix?keyword=peaky+blinders+3.6+parents+guide PDF link annotation
    • https://cdn.sqhk.co/navimoxa/a6vjbax/73274020613.pdfIn PDF document text
    • https://cdn.sqhk.co/porekige/EjecWgh/87787494558.pdfIn PDF document text
    • https://robaralimojo.weebly.com/uploads/1/3/0/8/130814718/xenajag.pdfIn PDF document text
    • https://dabomisefeb.weebly.com/uploads/1/3/0/7/130775205/fipenavodasorul.pdfIn PDF document text
    • https://xalumalalo.weebly.com/uploads/1/3/4/7/134766869/8438621.pdfIn PDF document text
    • https://jasugupaxawuz.weebly.com/uploads/1/3/0/7/130740610/9831059.pdfIn PDF document text
    • https://cdn.sqhk.co/gasukatebu/aijWk5q/arcai_netcut_pro_apk_latest_version.pdfIn PDF document text
    • https://dodivivedi.weebly.com/uploads/1/3/3/9/133997878/2562362.pdfIn PDF document text
    • https://cdn.sqhk.co/jakufomego/WRUopy5/future_go_launcher_themes_2019.pdfIn PDF document text
    • https://cdn.sqhk.co/tinulafi/gfhejdE/new_shooting_games_for_switch.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/tumuzu/what_is_the_central_idea_of_a_passage.pdfIn PDF document text
    • https://s3.amazonaws.com/jubiferekaka/transfer_apps_between_android_phones.pdfIn PDF document text
    • https://s3.amazonaws.com/jikopot/ariston_washer_dryer_awd_121_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/vutame/ben_10_omniverse_2_wii.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1f119a58-288d-4d39-82d2-9578ed46fcb1/7244964548.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6d6fd6d6-78ab-4b1f-8fac-ab392201f519/karemaxebawis.pdfIn PDF document text
    • https://s3.amazonaws.com/pisedij/what_does_federal_limits_apply_on_a_california_drivers_license_mean.pdfIn PDF document text
    • https://s3.amazonaws.com/luxaduzimase/vandana_nirankari_information.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ee04207c-f7a9-4857-9eab-9c1a3dc04ded/what_is_the_meaning_interest_rate_risk.pdfIn PDF document text
    • https://s3.amazonaws.com/tubukeganuji/12492910566.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e2bbf9bc-06ca-4631-82b9-6a823e329ba4/jbl_xtreme_2_waterproof_portable_bluetooth_speaker_-_black.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3f492502-01c5-4639-be05-6e33ea9b48b3/jenafofumap.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/16540c60-3554-4048-8313-009bb0efa3e5/sex_and_the_city_3_movie_plot.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c733eab9-fcde-4858-88a1-990709c5840c/wordpress_login_page_not_showing.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_off0000fc0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC0E 5784 bytes
SHA-256: e92168a2c060305bfdbfdefd3c537e5c5857cd4daffb7672562e3f68bdb4600a
font_01_sfnt_off00010fd4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10FD4 11276 bytes
SHA-256: 4ba8d0fa9708d7b13e3e11854f4f8a9c5320786b2f8aade7e4c32f4c68c3b176

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