Malicious PDF — malware analysis report

Static analysis result for SHA-256 249b3c3a22083f43…

MALICIOUS

PDF

71.4 KB Created: 2021-02-17 21:27:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 24edebfdf1d92527bde52cd39d30820c SHA-1: b24d41a4519a4a1673eab14f8d42c63fd4da3f87 SHA-256: 249b3c3a22083f4384e3b3ddcb8daa5db74d815ad88cbe2f549a29f45009da48
66 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 4

  • 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://druttle.ru/wix?keyword=silk+stalkings+season+5+episode+guide PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4489411/normal_60160aaeca8e2.pdfIn PDF document text
    • http://evatopshop.xyz/ban_gayi_rikshawala_dj_songosjch.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4527747/normal_6007afc155abd.pdfIn PDF document text
    • https://cdn.sqhk.co/sovanoniwuva/kanjhij/89070973064.pdfIn PDF document text
    • http://best-store.club/abnormal_psychology_butcher_16th_editionq9pxq.pdfIn PDF document text
    • http://pafiwuz.66ghz.com/31681451902.pdfIn PDF document text
    • http://medicalpracticementor.com/714044429822lfvh.pdfIn PDF document text
    • http://kaxidabifibag.iblogger.org/lezixidoraxoxulesude.pdfIn PDF document text
    • https://cdn.sqhk.co/jabosuve/Xjcgjgf/48430553695.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4461780/normal_5fcfec67355a2.pdfIn PDF document text
    • https://xovawezovikax.weebly.com/uploads/1/3/0/9/130969403/294273.pdfIn PDF document text
    • https://funifagokose.weebly.com/uploads/1/3/2/6/132681236/2aa166.pdfIn PDF document text
    • https://bivapere.weebly.com/uploads/1/3/4/6/134689139/8282755.pdfIn PDF document text
    • http://mibewoz.22web.org/analogy_worksheet_2_answer_key.pdfIn PDF document text
    • https://cdn.sqhk.co/diwelamu/LjjkFhg/71101155540.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4373504/normal_5ffaa3197f611.pdfIn PDF document text
    • http://medtechnika1.ru/mp4_mania_hollywood_dubbed_moviesl36em.pdfIn PDF document text
    • https://cdn.sqhk.co/lenawemijixe/hdhcii7/amaze_word_meaning_in_urdu.pdfIn PDF document text
    • https://nunipotewisi.weebly.com/uploads/1/3/4/8/134892443/kudewul.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://sivokag.epizy.com/gold_coast_fishing_report_coastwatch.pdfIn PDF document text
    • http://witopovuketoj.epizy.com/13829561731.pdfIn PDF document text
    • http://ropanosuge.rf.gd/adventist_church_hymnal_free.pdfIn PDF document text
    • http://bekisamusexasu.rf.gd/capacitor_types_and_applications.pdfIn PDF document text
    • http://bifezuragumizi.rf.gd/bejeweled_3_trainer.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dacd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDACD 5324 bytes
SHA-256: 047e893707f515f691b366838dd317dda1dbb8d38056277338beea76a14505ce
font_01_sfnt_off0000ecff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECFF 10300 bytes
SHA-256: 1c07dd36c2ad64d68fcce5d3fcbad6b526e9efc56192734ebbc59e78557e9389

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