Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce5461e392ad0a77…

MALICIOUS

PDF

65.1 KB Created: 2021-03-09 13:28:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: be6b79389164429c89c2a49c25479098 SHA-1: 2939a7c00466df1606ebe8ee39abe52b5dc65352 SHA-256: ce5461e392ad0a7762df444d81fab0b023afaa1a15da2f80c6222a9e0c7c7b9f
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 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://jumiwimov.ru/wix?keyword=celtic+fc+tickets+stubhub PDF link annotation
    • https://sajixigepanosu.weebly.com/uploads/1/3/1/0/131070231/63b104853742.pdfIn PDF document text
    • https://nawajutexi.weebly.com/uploads/1/3/4/1/134108687/gajawemoje.pdfIn PDF document text
    • https://ripukalogud.weebly.com/uploads/1/3/4/3/134391837/7110ac92229e.pdfIn PDF document text
    • https://kasasifu.weebly.com/uploads/1/3/4/6/134697732/gekumikufafo_xalerumenuk.pdfIn PDF document text
    • https://vudasanuvopiw.weebly.com/uploads/1/3/4/7/134737570/7860202.pdfIn PDF document text
    • https://dojufewuwi.weebly.com/uploads/1/3/4/2/134235401/kawubujexil_temovezelix.pdfIn PDF document text
    • https://jajibesuwazigix.weebly.com/uploads/1/3/1/3/131383486/2405540.pdfIn PDF document text
    • http://jerusitujuj.22web.org/frigidaire_ice_maker_troubleshooting_guide.pdfIn PDF document text
    • https://wozexofinudere.weebly.com/uploads/1/3/5/9/135984457/99786c5d84.pdfIn PDF document text
    • http://rorixuge.iblogger.org/susimenireriwogekirod.pdfIn PDF document text
    • https://zunejafeg.weebly.com/uploads/1/3/4/3/134382709/52265.pdfIn PDF document text
    • http://goloturasituj.66ghz.com/olympic_weightlifting_routine_for_beginners.pdfIn PDF document text
    • https://nozirurabi.weebly.com/uploads/1/3/0/7/130738896/404f9bd.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kiwusegofavuto.rf.gd/inter_tel_phone_codes.pdfIn PDF document text
    • https://7aff118d-26f6-4d76-9bc9-1838009e7274.filesusr.com/ugd/f80014_4d5ebc2dda8d402c9a8d93ac2b3cdc0d.pdf?index=trueIn PDF document text
    • https://9e730ba1-499c-413e-9a09-8a81f8121270.filesusr.com/ugd/0a0016_513e18e0b0b44bcd92685371339d9030.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/d6e44ba1-5e20-4124-b8fa-0b213fe95a3d/what_is_the_importance_of_paraphrasing.pdfIn PDF document text
    • http://mavafakubew.epizy.com/iobit_driver_booster_5._5_pro.pdfIn PDF document text
    • http://nebejobibaveb.epizy.com/cotton_cartoon_bed_sheets_online.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/74ee1582-9628-46a5-9901-62a5f88d097a/30925770496.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_off0000c50d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC50D 4772 bytes
SHA-256: 7fc06e007ce15eacfef1a35976fefce03f82b960a1a3466ff03d06355352a096
font_01_sfnt_off0000d54a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD54A 9936 bytes
SHA-256: 34c906915dea58233ef82a5c93b53df30fe836834a8b4c664796951d24fc9af8

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