Malicious PDF — malware analysis report

Static analysis result for SHA-256 09e70d9e2747995a…

MALICIOUS

PDF

77.4 KB Created: 2021-04-03 05:13:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 8ff14054fcf2cdbbb52c0d88c909bad1 SHA-1: 2240ada16e725576ea9a48c5f52af9e843e34aff SHA-256: 09e70d9e2747995adba6a1866e8a65d885975881582da3e95c1f4168805172c3
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 0.9997

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://dafemum.ru/123?utm_term=online+service+provider+platform+definition PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4485016/normal_6016eb8ad873b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369487/normal_603283d3ab589.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4385206/normal_5ffe7af4101de.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416930/normal_5fcb96cf3774c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421342/normal_5fed731ceb237.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489409/normal_5fe155b629fec.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368999/normal_606477a28f1f4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4444377/normal_6000a1c7bfb4a.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/e4d4a3f5-f9dc-4c0e-8211-4e7aa5e01da9/funosapazezifisoral.pdfIn PDF document text
    • https://s3.amazonaws.com/lizuseguwix/peberowalabej.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6e54cc90-4a00-457d-adbc-fc5b066956b5/7th_class_maths_simple_equations_exercise_3.pdfIn PDF document text
    • https://s3.amazonaws.com/xujitezu/sarah_dessen_just_listen_quotes.pdfIn PDF document text
    • https://s3.amazonaws.com/nawuvud/fukinaw.pdfIn PDF document text
    • https://s3.amazonaws.com/vunizi/master_reset_grand_prime.pdfIn PDF document text
    • https://s3.amazonaws.com/fibesezati/gulafezodizisologe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a538e6c1-0e45-43a0-9793-fcae6c51964e/2010_chevy_malibu_headlight_bulb_replacement.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9e118a6b-c8b2-4973-ace3-483ce7807d14/excel_formulas_list_with_examples_in_hindi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a848d984-8235-46f5-ad4a-5f222c3db557/110cc_atv_engine_rebuild.pdfIn PDF document text
    • https://s3.amazonaws.com/vunizi/how_to_set_time_in_casio_g_shock_ga_100.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/df5ac8fe-0769-4bba-9611-5ac1d44aa1f4/what_to_do_when_your_amazon_tablet_wont_turn_on.pdfIn PDF document text
    • https://s3.amazonaws.com/xifabilejilab/what_engine_does_a_bmw_330i_have.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f01a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF01A 5388 bytes
SHA-256: ef702c0e6956457fdd6e12b49fbdb9f217f63ba6e6a196cae164d4164d1759ef
font_01_sfnt_off00010262.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10262 11056 bytes
SHA-256: d28357a8b4ca02e1d3b2310aa714932405264fa1c574ca8389cb18e0a28f38c0

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