Malicious PDF — malware analysis report

Static analysis result for SHA-256 aedb734febf11b0e…

MALICIOUS

PDF

71.5 KB Created: 2021-02-15 03:14:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 1cab63f612f62af485a750049d869fc6 SHA-1: e55cf18080d045542ff8804537bdb7c28eafa8a6 SHA-256: aedb734febf11b0ef9175265f3fe6542020944dc893f0ef5667d3a3ded354676
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://leonvi.ru/wix?keyword=symcode+barcode+scanner+setup+codes PDF link annotation
    • http://info-pages.ru/81183018274q0u0v.pdfIn PDF document text
    • https://tipuzivi.weebly.com/uploads/1/3/0/9/130969377/9007191.pdfIn PDF document text
    • http://lyudi23.ru/32825907848m8p70.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4502245/normal_600fd0ec81304.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426820/normal_5fda6edb7e4d7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393631/normal_5fe24b591e10a.pdfIn PDF document text
    • http://kugoramex.iblogger.org/pofexabifenixasizuvudegi.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://jexonuwunow.epizy.com/causes_of_tumor.pdfIn PDF document text
    • http://nosikugabuvisal.epizy.com/bloody_roar_5_pc_free.pdfIn PDF document text
    • http://povasapodojika.epizy.com/16189385734.pdfIn PDF document text
    • http://jovukanuwu.rf.gd/94767387166.pdfIn PDF document text
    • http://karababeso.rf.gd/sitetowesofupolafukaref.pdfIn PDF document text
    • http://robefopatobut.epizy.com/xatitiwu.pdfIn PDF document text
    • http://livajurusurex.epizy.com/batch._psd_to._jpg_converter_free.pdfIn PDF document text
    • http://siberasule.rf.gd/kirkhammer_combat_guide.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_off0000cecb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCECB 5364 bytes
SHA-256: 059bb93c0494a61e203f53ed7ad9df5f4d01bb24b56833ca8e5f105046f03124
font_01_sfnt_off0000e0d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0D9 10060 bytes
SHA-256: efc3ef69498477c5f88668019ba528750c9b46aaf5b0304bb52653ddda430793
font_02_sfnt_off00010331.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10331 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2