Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fa9713a7e7a566f…

MALICIOUS

PDF

67.6 KB Created: 2021-03-05 04:10:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 3c2fc80df7bc097baeed87d9a92b8820 SHA-1: f4dc21e4362ccc06dd1ac4cf8f4fb70172330583 SHA-256: 2fa9713a7e7a566fd19e211f11420bc4cf1c45b536a2f7b415326f09ba4c830c
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://fokemale.ru/aws?utm_term=sat+reading+practice+khan+academy PDF link annotation
    • https://delazodudiz.weebly.com/uploads/1/3/4/5/134591817/fazeralol.pdfIn PDF document text
    • https://sujefamop.weebly.com/uploads/1/3/4/7/134762109/4b7c78c4130edb.pdfIn PDF document text
    • https://woxukobu.weebly.com/uploads/1/3/4/3/134392577/mibevizodesamo.pdfIn PDF document text
    • https://cdn.sqhk.co/kewesowovim/igvjg4g/best_text_message_ringtones_for_iphone.pdfIn PDF document text
    • https://lutividagij.weebly.com/uploads/1/3/4/8/134896544/redowinazom_menowa_dovedoteju_nogepazebi.pdfIn PDF document text
    • http://bukupiduge.mypressonline.com/57866398205.pdfIn PDF document text
    • https://cdn.sqhk.co/bomumuxa/iaihlxu/5205671164.pdfIn PDF document text
    • https://cdn.sqhk.co/botikavanov/8idieAT/28531392302.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://4dd4a32c-aced-41d2-87e6-7ff9ca8080d7.filesusr.com/ugd/6d6f33_f93d0815ea994e58bde3d8aee3ed671d.pdf?index=trueIn PDF document text
    • http://jiboleramar.epizy.com/cholamandalam_claim_form_part_a.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4024874a-673d-4e31-a8d2-f8d38b120413/behaviour_support_plan_template_ontario.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/caccf8e6-55ba-4ff0-bbc4-5b1e235be9b6/70053407128.pdfIn PDF document text
    • https://7ef5d8b8-74ac-4e0a-b0a0-fa61ca6462a8.filesusr.com/ugd/23e9be_fcd3946d576a4e4f811bb935b01ad7e4.pdf?index=trueIn PDF document text
    • https://8488b7ac-84bc-45ae-88ed-26841205fc59.filesusr.com/ugd/7cda3c_3647af9174194c9bba0b95f3f3674bb4.pdf?index=trueIn PDF document text
    • http://putagasixebe.epizy.com/stihl_fse_60_brush_cutter_reviews.pdfIn PDF document text
    • http://tiluxusimutine.atwebpages.com/99759043959.pdfIn PDF document text
    • http://furivel.rf.gd/marksheet_image_processing.pdfIn PDF document text
    • https://16012499-1299-48b0-8cdd-5f23a7749958.filesusr.com/ugd/fafc38_4f4a5a5daa954961b6448e7c067eafce.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_off0000ca6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCA6D 5548 bytes
SHA-256: cbaddf91d3073a2c226c6633fbbb12435c8e320008ba6f4bf1b11b5de23cb7ee
font_01_sfnt_off0000dd29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD29 10712 bytes
SHA-256: 73e377dafb8b6f5df8cff19df83c529a96e8b330324abd0430f8c74cb2e1eb52

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