Malicious PDF — malware analysis report

Static analysis result for SHA-256 07b130ead9f00348…

MALICIOUS

PDF

72.6 KB Created: 2021-03-07 09:55:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: ca180fb86de41feb93dea09f09064a05 SHA-1: 8265ca5a57ccff996badc8804b49e7835e19b2a0 SHA-256: 07b130ead9f003482b0e6b34489f11bb4aef939809263e61eee3fbe94fc3471e
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://bologen.ru/award?keyword=james+potter+morrigan+web+mobi PDF link annotation
    • http://kpovli.ru/225c_bus_platform_number_in_majesticmtfbb.pdfIn PDF document text
    • http://de-bewertung-889562.icu/vokevetaxaf2zlcl.pdfIn PDF document text
    • https://mabavelege.weebly.com/uploads/1/3/0/7/130775551/d845e023d65.pdfIn PDF document text
    • http://najisemure.medianewsonline.com/how_does_vacuum_tube_work.pdfIn PDF document text
    • https://sukaxivex.weebly.com/uploads/1/3/4/8/134895869/wudatitufefadalodew.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416666/normal_6034d42392c81.pdfIn PDF document text
    • https://vuzodafolo.weebly.com/uploads/1/3/4/7/134732359/3efc8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4402936/normal_5feeaf40ac715.pdfIn PDF document text
    • http://rokuboxajiga.medianewsonline.com/ford_mustang_2021_price_in_usa.pdfIn PDF document text
    • http://itsamorem.com/genki_kanji_workbookcizqp.pdfIn PDF document text
    • http://itdiscount.pro/81312229084wvwlu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tosabukevosubar.myartsonline.com/10131179083.pdfIn PDF document text
    • https://7162f0c1-3bb2-4775-9ad2-1e34613fb889.filesusr.com/ugd/595093_e120864ccaa74bfe942f0095525bdc8a.pdf?index=trueIn PDF document text
    • http://lejiletuvasipib.onlinewebshop.net/nuradibexuworu.pdfIn PDF document text
    • https://0e9c393c-9feb-4465-ae9d-4486bea7a644.filesusr.com/ugd/4b68be_f55f1629041b4eef9f86822b00b540e0.pdf?index=trueIn PDF document text
    • http://dokufexazag.epizy.com/61061016009.pdfIn PDF document text
    • https://e6c529cc-411f-4195-b5ea-7b5fd081490a.filesusr.com/ugd/b7ab08_3367d6201ce6492c8f7b14b64fd10223.pdf?index=trueIn PDF document text
    • http://sidakofonol.epizy.com/canadian_passport_application_child_form.pdfIn PDF document text
    • https://0cfe495c-9a5f-46a1-a5f3-fb21b6211bac.filesusr.com/ugd/7aabb2_2934963cbad94a6c8f9fcda00d90db56.pdf?index=trueIn 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_off0000df07.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF07 5328 bytes
SHA-256: 6daa7d1d0f51f57ce8d8cac8be10ccfd637e2e1248112dbb771138fc42527ab7
font_01_sfnt_off0000f121.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF121 10572 bytes
SHA-256: 5ee8ec95f115c33af13054416a2cd707e5266a9050744c0e8a6ca3d7301224f4

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