Malicious PDF — malware analysis report

Static analysis result for SHA-256 3b9d9f3a5b43f3c0…

MALICIOUS

PDF

69.6 KB Created: 2021-03-15 20:03:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 36e3a7164fbf3cd2bc75e18d6e66127c SHA-1: 69949fcaddc282fecedcad236c0f6be9c8b4c5f7 SHA-256: 3b9d9f3a5b43f3c04f7977e51bcc41a4c13de87954e36f790f55d1c4f60a1388
94 Risk Score

Malware Insights

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

The PDF file contains a URL that ClamAV and ML classifiers identify as malicious, specifically a phishing and trojan threat. The document body, though heavily obfuscated, contains keywords related to a 'Danby recall', suggesting a social engineering lure to trick users into clicking the malicious link. The presence of an external URI firing further supports the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7004

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://ponafet.ru/aws?utm_term=danby+ddr60a3gp+recall
    • http://gepexoliv.medianewsonline.com/bewomoremodonibutu.pdf
    • http://gitilapen.66ghz.com/37474990628.pdf
    • http://zosuwalerikare.getenjoyment.net/74009985064.pdf
    • http://fumatiw.mypressonline.com/62013576923.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/c5c3eac6-a625-4313-b56c-d4da6bcce106/how_to_install_goaliath_54_in-ground_basketball_hoop.pdf
    • http://wupepiwora.rf.gd/synergy_1._4._17_ubuntu.pdf
    • http://nijupilunijar.rf.gd/29940155488.pdf
    • http://bividit.rf.gd/canada_map_quiz.pdf
    • https://uploads.strikinglycdn.com/files/ad7bb8ee-9da0-4dc2-9865-58720ba8b103/87257603079.pdf
    • https://uploads.strikinglycdn.com/files/71101b51-07b6-458f-86a7-89374ebc7019/91305603450.pdf
    • http://nekepozime.epizy.com/googlesamples_android_architecture_components.pdf
    • https://uploads.strikinglycdn.com/files/a9b555c2-c2ab-4e15-9831-c0023551d7d2/tojodevanizupepe.pdf
    • https://uploads.strikinglycdn.com/files/ba616c1e-7ebe-4e62-aa98-3000c69fd110/zodunebi.pdf
    • https://uploads.strikinglycdn.com/files/770677a1-0b83-40a8-a3fe-fdf18601a825/zojirushi_micom_water_boiler_and_warmer.pdf
    • http://seroritubofa.atwebpages.com/types_of_drill_in_indian_army.pdf
    • https://uploads.strikinglycdn.com/files/743e00ca-837c-4300-a324-f04efbb2efd2/guzoteput.pdf
    • http://geralumumavol.rf.gd/rutupegidevebulitu.pdf
    • https://uploads.strikinglycdn.com/files/90f1f672-6cba-498f-bb78-1e5b7359ab4e/milefowexezip.pdf
    • http://laxizibobi.rf.gd/facial_nerve_disorders_and_diseases_diagnosis_and_management.pdf
    • http://boxakuwila.epizy.com/dilated_cardiomyopathy_treatment_guidelines.pdf
    • https://uploads.strikinglycdn.com/files/afa6682f-d0e0-44cc-bd75-8a51c9f17ae7/74207462530.pdf
    • http://sujabugepebizud.rf.gd/what_is_the_best_diet_for_inflammation.pdf
    • http://xarilupinedup.myartsonline.com/81143403728.pdf
    • http://jojemoditupu.rf.gd/learning_write_letters_alphabet_worksheets.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ec52.bin
99334328a0cae411d2453cd3714a54e31297707e3c789067859a88e26fba7213		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEC52 5764 bytes

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