Malicious PDF — malware analysis report

Static analysis result for SHA-256 038a8038fe3d122a…

MALICIOUS

PDF

81.1 KB Created: 2021-04-22 19:58:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: d6e751d40c2b9ee3dc6a6b40dc577687 SHA-1: 5e0e8645a53976a114cab8f647f56a4442b00fce SHA-256: 038a8038fe3d122a0fe46607d980807bf1e672cdeec4df2b2cc24789d18e9839
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 0.9995

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
  • 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://kuzutuzo.ru/strik?utm_term=who+are+the+female+goddesses PDF link annotation
    • https://cdn.sqhk.co/moxoxitij/Shggh3t/gel_nails_done_near_me_pennsylvania.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4480886/normal_6014c07b8d572.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368747/normal_60627b29f229a.pdfIn PDF document text
    • https://cdn.sqhk.co/sewuvavimebi/gMmvgc5/80801213808.pdfIn PDF document text
    • http://sezowevefekaga.22web.org/97351041984.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382405/normal_5fcd6d2d90a19.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415309/normal_602d079481087.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388279/normal_603a7df455a3d.pdfIn PDF document text
    • https://cdn.sqhk.co/nozujeraguje/XB7Ir4x/perrito_triste_meme_stickers.pdfIn PDF document text
    • http://vupirure.22web.org/fourier_series_matlab_code_examples.pdfIn PDF document text
    • https://cdn.sqhk.co/xidafigutoxa/jh3RhjL/vafukabuwidowulivovigolil.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/tobobowu/how_to_use_portland_1750_pressure_washer.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e248d1e3-a6ef-4fa2-b7e1-1a3d34a5b37e/1232789269.pdfIn PDF document text
    • http://gobozukelawi.epizy.com/diary_of_a_wimpy_kid_book_5_read_online_free.pdfIn PDF document text
    • https://s3.amazonaws.com/liluvad/dd_3.5_books_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dcfc42ab-0627-4825-9ed6-d178c33a7266/abit_ip35_pro_drivers_windows_10.pdfIn PDF document text
    • https://s3.amazonaws.com/divelatoxa/tedodasetudigosovuxubula.pdfIn PDF document text
    • https://s3.amazonaws.com/kosipefojaw/nokegodurudojivokumor.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/155cd5e5-2742-4f8a-94ab-17e263a6f040/smoothie_recipes_with_spinach.pdfIn PDF document text
    • http://votarim.epizy.com/bewawifojumarozixetisevit.pdfIn PDF document text
    • https://s3.amazonaws.com/zuvovoxigumuz/john_deere_l120_48_deck_parts_diagram.pdfIn PDF document text
    • http://dikowipenov.epizy.com/rovawiwixaxelal.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f2b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2B4 4968 bytes
SHA-256: 2d3a0d43c6ed6ab042e8314236147afa20079b5fab93d3cae34818f89de87466
font_01_sfnt_off000103a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x103A9 11232 bytes
SHA-256: 1d730f1fdfd975d1a8cd5fb7ce057d8bb263f63900a14aba1e267f4a71ccb6af
font_02_sfnt_off0001292a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1292A 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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