Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a1e12200a5ab0c2…

MALICIOUS

PDF

79.4 KB Created: 2021-03-16 03:17:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 9920a79947bb903681dc55464bf77816 SHA-1: 9119d17f151f50060b68665c421ec16a42e06966 SHA-256: 2a1e12200a5ab0c21085b32bc6a1e595ae7a85e72098ed0c5471f0f1415d07a7
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 0.9998

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://maypoin.ru/wix?keyword=download+blackmart+alpha+pro+apk PDF link annotation
    • http://kujuwuwoseg.iblogger.org/harbor_breeze_saratoga_remote.pdfIn PDF document text
    • http://kefitetapirep.22web.org/nukesokazujogabiva.pdfIn PDF document text
    • https://cdn.sqhk.co/gabamulijawe/hgEigih/karuna.pdfIn PDF document text
    • https://cdn.sqhk.co/tisewesir/higjQaV/80214090775.pdfIn PDF document text
    • https://cdn.sqhk.co/sabiseleto/ABhhghg/followers_and_likes_for_tiktok_free.pdfIn PDF document text
    • http://neojust.ru/xizogunoneramikoforezeicrb5.pdfIn PDF document text
    • http://olivamebel.com/pdf_converter_mac_app_storeja8qw.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jibafotapat.epizy.com/nexapijoxuwuz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ddd9ecd0-d3ba-4add-9942-01cb9c107905/being_in_love_osho.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/982e898b-38fd-4f1f-824e-ec41b517b5aa/what_is_person_centered_therapy_used_for.pdfIn PDF document text
    • https://s3.amazonaws.com/rutufokedizon/51042967172.pdfIn PDF document text
    • https://s3.amazonaws.com/sitok/delta_unisaw_riving_knife.pdfIn PDF document text
    • https://s3.amazonaws.com/vunizi/65179647806.pdfIn PDF document text
    • http://biborufa.epizy.com/disabled_toilet_design_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/pevarijidasalop/beamng_drive_android_gameplay.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8393522b-559b-45ef-a102-09ab4ad82c81/mukejod.pdfIn PDF document text
    • https://s3.amazonaws.com/penefelomiju/nubugenowizawiwa.pdfIn PDF document text
    • https://s3.amazonaws.com/zunaduxa/bhoothnath_returns_audio_songs_free.pdfIn PDF document text
    • https://s3.amazonaws.com/pozokimepe/syd_field_screenplay_book_summary.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_off0000f7eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7EB 5428 bytes
SHA-256: e077eb00bd56a612d99656c7c2256a9610bf2224a6856e37eadb302d9d0bbbad
font_01_sfnt_off00010a4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A4B 11324 bytes
SHA-256: a881e47b72228496283ef664a9bbb1531c899e4b643d20f73757390182972145

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