Malicious PDF — malware analysis report

Static analysis result for SHA-256 6233e3c2f4390bfa…

MALICIOUS

PDF

69.1 KB Created: 2021-02-24 06:27:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 0417b3d34dd6e4e7525369e615b20aa6 SHA-1: e8974bd1d1b6ae4c8f223f53a3eb5086e70f65f9 SHA-256: 6233e3c2f4390bfaef23584c5337b5a02403d42f2a27f7466c9a951ed402c745
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 7

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=desert+monsters+tours+llc PDF link annotation
    • https://cdn.sqhk.co/tategupet/flLhbON/zibivujiwo.pdfIn PDF document text
    • https://cdn.sqhk.co/rogapakaler/jc3hbjj/92744929853.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4410722/normal_6000677640463.pdfIn PDF document text
    • https://cdn.sqhk.co/joxonorapa/iJiaija/unduh_my_tiny_pet_mod_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/gapalagabig/8gcha3R/7368885365.pdfIn PDF document text
    • https://jirilerimu.weebly.com/uploads/1/3/5/9/135967849/zobutuju.pdfIn PDF document text
    • https://rogewakaz.weebly.com/uploads/1/3/2/8/132815912/8098161.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4529095/normal_6031f04dbbecd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421208/normal_5ffe6ccc14991.pdfIn PDF document text
    • https://cdn.sqhk.co/ruwiketi/jahbbhf/13424474087.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4530868/normal_6013f47a883e7.pdfIn PDF document text
    • https://cdn.sqhk.co/dubikureta/idn5hbk/21971315096.pdfIn PDF document text
    • https://lifusapemar.weebly.com/uploads/1/3/4/5/134526201/5964020.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4463263/normal_602fc44f0842e.pdfIn PDF document text
    • https://cdn.sqhk.co/gemadaruvow/ihIuJjb/65016967484.pdfIn PDF document text
    • https://nibonitet.weebly.com/uploads/1/3/0/7/130776737/wusop.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://dogamesesokuj.rf.gd/attestation_d_hbergement_vierge_a_imprimer.pdfIn PDF document text
    • http://juxudawalugevop.epizy.com/motisizuxalomuroluzane.pdfIn PDF document text
    • http://binasizula.rf.gd/acute_lymphoblastic_leukemia_treatment_guidelines.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_off0000c6bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC6BF 4568 bytes
SHA-256: e3eba2139f6898b422fc4879efdeba598575e9b2d0a8abe978f9959a788597cd
font_01_sfnt_off0000d62f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD62F 10240 bytes
SHA-256: 4b92255566170a43412d0fa87c9bd466fcb632c4983e4ceb80b8a208bffe9c7f
font_02_sfnt_off0000f906.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF906 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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