Malicious PDF — malware analysis report

Static analysis result for SHA-256 15390220dc240c2d…

MALICIOUS

PDF

71.2 KB Created: 2021-03-04 04:31:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 0356d48103bde14de64a4018cfa30372 SHA-1: be89c5bf1c866bb5a178eb1dee103594d12f91c8 SHA-256: 15390220dc240c2d79ba341b94f104280541dde3e61280a26b1b84e7d9d4658f
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://vilenefex.ru/award?keyword=netgear+wgr614+v7+bridge+mode PDF link annotation
    • https://poxuroli.weebly.com/uploads/1/3/0/7/130738943/jetovowuvokuwora.pdfIn PDF document text
    • https://lajizifoposu.weebly.com/uploads/1/3/5/9/135958207/xefenunabanibozof.pdfIn PDF document text
    • https://kofulunaj.weebly.com/uploads/1/3/5/3/135320514/1164791.pdfIn PDF document text
    • https://bakabita.weebly.com/uploads/1/3/5/3/135309819/gabibeka_lamezavim.pdfIn PDF document text
    • http://minesaxofunawi.getenjoyment.net/ap_microeconomics_workbook_answers.pdfIn PDF document text
    • https://marizezibafive.weebly.com/uploads/1/3/4/8/134865590/vepukegawamaverej.pdfIn PDF document text
    • https://rasisepuwefu.weebly.com/uploads/1/3/4/6/134678142/doresez_xiruwog_ninivifavelo_vigapefo.pdfIn PDF document text
    • https://buvapubadoloj.weebly.com/uploads/1/3/4/2/134265521/810d2ec1f3c.pdfIn PDF document text
    • http://jokebixa.22web.org/what_does_enochian_mean.pdfIn PDF document text
    • http://xulazawelinuze.scienceontheweb.net/marantz_receiver_sr5008_manual.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://lixanixuzuki.rf.gd/what_is_the_brightest_security_light.pdfIn PDF document text
    • http://pikubub.onlinewebshop.net/lonely_planet_guide_pune_india.pdfIn PDF document text
    • http://resutujimi.epizy.com/zilafatikopotipogasazexi.pdfIn PDF document text
    • http://sajajuladepume.rf.gd/how_to_connect_hp_deskjet_3050a_printer_to_wifi.pdfIn PDF document text
    • http://jiwigazuvix.rf.gd/jeguro.pdfIn PDF document text
    • http://zutulig.epizy.com/kavogomomokalejaxuzu.pdfIn PDF document text
    • http://witopovuketoj.epizy.com/13829561731.pdfIn PDF document text
    • https://s3.amazonaws.com/mamukawaxatali/what_types_of_organisms_perform_chemosynthesis.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_off0000d975.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD975 5572 bytes
SHA-256: eaf6e332c6bfb7d099e01a056bb12a3e2f59e085dbf7e6804a0130ea4e0ad720
font_01_sfnt_off0000ec8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC8D 10300 bytes
SHA-256: 6ca1d31f04b8e7c2fe957dc26229f5d6d0f6c635bb31ed2ff457e64ad0806c49