Malicious PDF — malware analysis report

Static analysis result for SHA-256 adde8408a2f3c959…

MALICIOUS

PDF

51.7 KB Created: 2021-03-25 02:23:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 48a28325e3003799621f543126cf13b8 SHA-1: 1d3ab487b9a6e4ad7b5d55db0273ad5766b63f47 SHA-256: adde8408a2f3c9598bd4e45aead510baba2e3a0de021523946d9470d716f2cac
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF employs an image-based lure, typical of phishing campaigns, to entice users to click on an embedded URL. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it is designed to redirect users to malicious sites, potentially for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6386

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 51 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://dugedepap.ru/award?keyword=inferior+alveolar+nerve+injury+pdf
    • http://munupozazuwo.iblogger.org/my_destiny_lyn_sheet_music.pdf
    • http://gavepokuni.22web.org/14166019526.pdf
    • http://jarugixedarugi.iblogger.org/scott_foresman_grammar_and_writing_practice_book_grade_2.pdf
    • http://tapozifokun.mywebcommunity.org/75632087028.pdf
    • https://cdn-cms.f-static.net/uploads/4453556/normal_603a81d0d1434.pdf
    • https://cdn-cms.f-static.net/uploads/4413013/normal_602b5ae16d52a.pdf
    • http://simopuvoramawu.mywebcommunity.org/sirekexixojokonusiduxago.pdf
    • https://cdn-cms.f-static.net/uploads/4386330/normal_5fd600d89e752.pdf
    • http://xomuxeje.22web.org/sisurefozexutepedis.pdf
    • http://wujejejifi.mygamesonline.org/29821319531.pdf
    • https://uploads.strikinglycdn.com/files/4f3f3de8-8a8d-49fb-af64-3630ac0a33a4/32531351390.pdf
    • http://nupuzasig.epizy.com/cfa_curriculum_freeze.pdf
    • https://uploads.strikinglycdn.com/files/33580f0b-c479-4263-a3b3-c47b823c8cb5/m-audio_axiom_49_mk2_manual.pdf
    • https://s3.amazonaws.com/rewepalazamiso/funewamanolajavaz.pdf
    • https://s3.amazonaws.com/rovikibixu/what_is_privileged_mode_in_operating_system.pdf
    • https://uploads.strikinglycdn.com/files/43d5b8ba-df0d-449e-8ed3-b67490a9c5df/dexokitirezatudasexiku.pdf
    • https://s3.amazonaws.com/baxegezivumi/sql_server_2014_express.pdf
    • https://uploads.strikinglycdn.com/files/09c35674-0a7c-4bac-abf7-e98111119797/kujojuradujil.pdf
    • http://kobizesamow.rf.gd/1244340683.pdf
    • https://uploads.strikinglycdn.com/files/aecd1300-cee7-4fb0-a1ef-9ed1d3020530/timex_indiglo_wr30m_battery.pdf
    • http://perabojon.rf.gd/gilinitoketuwajerafen.pdf
    • http://litopojijerel.epizy.com/candy_crush_saga_mod_apk_unlimited_life.pdf
    • http://xivebimuma.rf.gd/26544120697.pdf
    • http://nekerudiwe.rf.gd/craftsman_leaf_blower_bag.pdf
    • http://pabewuvuxaf.onlinewebshop.net/contract_law_definition.pdf

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