Malicious PDF — malware analysis report

Static analysis result for SHA-256 17ca6bcaefe207c0…

MALICIOUS

PDF

72.6 KB Created: 2021-03-10 07:25:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: ec42970d7d3b5c1f6c4844d9c19e668f SHA-1: 2702a71dfa2f413a71b50fbee09c0aa6a04468c3 SHA-256: 17ca6bcaefe207c05d6d79cc6472ef859ceb0891ae3d8c5eaa7d052c23f41bc9
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://botokaw.ru/award?keyword=functional+analysis+pdf+download PDF link annotation
    • http://gagimubu.mywebcommunity.org/jozogedofar.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460963/normal_6048446760e3e.pdfIn PDF document text
    • http://zagavexakagin.mypressonline.com/daduwojuziwikax.pdfIn PDF document text
    • http://xusatekekosigi.iblogger.org/bittorrent_apk_mirror.pdfIn PDF document text
    • http://vukuwupevipe.iblogger.org/59081289070.pdfIn PDF document text
    • http://rapegutuxipik.22web.org/53269185788.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4466151/normal_5fe5e92aaf571.pdfIn PDF document text
    • http://fabujisaw.mygamesonline.org/78342360257.pdfIn PDF document text
    • http://nemosixumeki.mypressonline.com/lekafisumelokebuvuseta.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4384650/normal_5feff3362d373.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://ranitirunom.myartsonline.com/16083087854.pdfIn PDF document text
    • http://maretubozewugi.myartsonline.com/free_download_islamic_books_urdu_language.pdfIn PDF document text
    • https://s3.amazonaws.com/bewibiwat/beautiful_pink_rose_flower_images.pdfIn PDF document text
    • http://vidugozu.atwebpages.com/87655182288.pdfIn PDF document text
    • http://tunowik.epizy.com/67401093544.pdfIn PDF document text
    • https://s3.amazonaws.com/kukazowox/como_es_un_lider_autocratico.pdfIn PDF document text
    • https://s3.amazonaws.com/nitajosasa/kagun.pdfIn PDF document text
    • http://jasunusemoki.onlinewebshop.net/descargar_musica_de_anthony_santo_popurri.pdfIn PDF document text
    • http://debatebarumexa.epizy.com/guzikuxoburiguvi.pdfIn PDF document text
    • http://vavadot.onlinewebshop.net/grounded_theory_research_question_examples.pdfIn PDF document text
    • http://nukilaba.myartsonline.com/38438118553.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_off0000dfd8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFD8 5200 bytes
SHA-256: 6881a0c802bcf75b07b171615863818d5f9320f61fdcc05f4819736d683fea75
font_01_sfnt_off0000f1bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1BF 10288 bytes
SHA-256: 7726faedad071def2cd323b5d9f86072d31ff9071af21db68eeceea18ec381de