Malicious PDF — malware analysis report

Static analysis result for SHA-256 1848302bca570824…

MALICIOUS

PDF

87.2 KB Created: 2021-03-03 23:18:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: da5bd3fda3470272e7198bf3ff1b7c56 SHA-1: d611abe04a4b93bffe98f7fb13265989fc84c6da SHA-256: 1848302bca57082452fe2fb0d066e1762e4cbadf485e924e195c91791dc9542e
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://resalured.ru/123?utm_term=their+eyes+were+watching+god+chapter+9+analysis PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4411709/normal_5ffd6eaeaea1f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4373297/normal_5fe19e4c7859a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377905/normal_5fe8061a9ef0a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4449419/normal_5fe1fdad68c5f.pdfIn PDF document text
    • https://cdn.sqhk.co/fipimomozuk/iiDEYhc/36240857391.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403117/normal_5fedefa02679e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4480884/normal_60343b7d95e9c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4482206/normal_602fe5385a3c5.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
    • http://xokofenox.epizy.com/nipinumuxoj.pdfIn PDF document text
    • http://timavutiziv.epizy.com/destiny_2_sleeper_simulant_catalyst_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/fibesezati/hindu_baby_girl_names_meaning_unique.pdfIn PDF document text
    • https://s3.amazonaws.com/faduxodiwo/sukudazodugedodinilep.pdfIn PDF document text
    • http://bikemeno.rf.gd/how_to_connect_rca_soundbar_to_phone.pdfIn PDF document text
    • http://bipedok.epizy.com/bestiary_7_pathfinder.pdfIn PDF document text
    • https://s3.amazonaws.com/gezetega/videoder_14._3_premium_apk_free.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_off00010b96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10B96 5424 bytes
SHA-256: 0ca48795378f93f8cee54bdfcbeb2b016a2578356f65e2d71bb92c5e3805aa58
font_01_sfnt_off00011e0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11E0E 10392 bytes
SHA-256: c111008f3a1799bbded5804024519541a88ee58e22a3877d005d60bade0be310
font_02_sfnt_off00014182.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14182 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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