Malicious PDF — malware analysis report

Static analysis result for SHA-256 13642c2ed6736b56…

MALICIOUS

PDF

84.8 KB Created: 2021-06-13 00:37:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: e1979f8c8821e2e8e0c8f8d5afc6cf28 SHA-1: 1f79ec1ac9162da166375c3b954fc8bf596d909e SHA-256: 13642c2ed6736b563b1817e4bf0a3475b2c2a7cacda00df363767a0412ad5883
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 0.9992

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://allytemp.ru/pbw?utm_term=python+data+science+handbook+pdf+2020 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4410020/normal_6030359d0da54.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4469128/normal_5fe45a2457c47.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382952/normal_5fe55894272eb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4409405/normal_60020b857a671.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447098/normal_60551599098d4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393511/normal_5fec0b69afaa1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369486/normal_5feeacce219cc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471941/normal_6030cd4dbc1df.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4472766/normal_6003d303b45e1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4370309/normal_5fde7ccda27ec.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/04697732-e381-42af-b18f-7da654a045a5/which_is_an_example_of_figurative_language_in_the_paragraph_brainly.pdfIn PDF document text
    • http://mujefapufefi.pbworks.com/w/file/fetch/144578907/tajaduxuwukoxopafifomak.pdfIn PDF document text
    • http://gosirata.pbworks.com/f/40210490713.pdfIn PDF document text
    • http://xifilipisi.pbworks.com/w/file/fetch/144684156/2012_can_am_spyder_service_manual.pdfIn PDF document text
    • http://midevodimu.pbworks.com/f/lavarropas_eslabon_de_lujo_carga_superior_7_kg_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f2af82ad-e30b-4a01-beac-044e76f60ca4/pepidufenir.pdfIn PDF document text
    • http://febigadeviti.pbworks.com/f/48349323842.pdfIn PDF document text
    • http://mudowomuxexo.pbworks.com/w/file/fetch/144427710/tamilrockers_hd_hollywood_movie_download_in_tamil.pdfIn PDF document text
    • http://dekokos.pbworks.com/f/pokemon_alola_gba_rom_hack.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7f067194-af8f-4a9f-b7b0-d786491fdfc0/nipuwobidavi.pdfIn PDF document text
    • http://kevuxezedila.pbworks.com/w/file/fetch/144735969/90529320520.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/66c6464c-34e2-4550-a143-33ae392c7cb5/five_nights_at_freddys_online_gameplay.pdfIn PDF document text
    • http://sodopateduke.pbworks.com/f/ropezikumobelexigomo.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_off00010eb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10EB6 5696 bytes
SHA-256: f54dfc919521c0293e35ede23d609ce8c9422f5b34deb32690e2c07f46e281a4
font_01_sfnt_off00012224.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12224 10428 bytes
SHA-256: 66541c8266d09d3d157ee5ed8fd5bc766f0472c54db3253bb1de1081764d71ea

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