Malicious PDF — malware analysis report

Static analysis result for SHA-256 c89b28a66a239b6c…

MALICIOUS

PDF

46.2 KB Created: 2021-03-05 02:19:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: e0dcb059159f9535674c1c198d406151 SHA-1: aae42e25e03f39acc95e51fa7b55ff5e49be5c2b SHA-256: c89b28a66a239b6c8d3ce3cad14907991b74e48def9e6ef34dfbd7f17aab3a25
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7842

Heuristics 4

  • 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
  • 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://kuzutuzo.ru/award?keyword=where+to+drop+off+donation+clothes+near+me PDF link annotation
    • http://xivixevikid.iblogger.org/67805962815.pdfIn PDF document text
    • https://cdn.sqhk.co/gugivusofed/h8iiijD/kendall_kylie_clothing_vogue_review.pdfIn PDF document text
    • http://dizurexemubegog.mygamesonline.org/41083015778.pdfIn PDF document text
    • https://cdn.sqhk.co/dipujabuxiw/8qjjlWf/photo_to_video_maker_free_download.pdfIn PDF document text
    • http://difipalilif.scienceontheweb.net/epictetus_enchiridion.pdfIn PDF document text
    • http://jinevul.mygamesonline.org/xasezufopexiwuseripaze.pdfIn PDF document text
    • http://gafabotipunofu.mywebcommunity.org/13058307602.pdfIn PDF document text
    • http://jisetatiloro.scienceontheweb.net/nikon_coolpix_p520_charging.pdfIn PDF document text
    • https://cdn.sqhk.co/vegedusovo/hhnFsia/color_painting_paint_by_num_coloring_creatively.pdfIn PDF document text
    • https://cdn.sqhk.co/mezadisedud/jWhiid2/7428187866.pdfIn PDF document text
    • http://fukerijinexin.mygamesonline.org/honda_pilot_2015_b1_service.pdfIn PDF document text
    • http://lezeninimi.medianewsonline.com/70905774192.pdfIn PDF document text
    • https://cdn.sqhk.co/mibemofega/zha2hbE/97566916572.pdfIn PDF document text
    • http://bimamoked.iblogger.org/lexus_es300h_hybrid_electric_sedan.pdfIn PDF document text
    • http://nisetekotixob.myartsonline.com/dafegagut.pdfIn PDF document text
    • http://wavanak.epizy.com/ximasefawad.pdfIn PDF document text
    • http://nemojasa.epizy.com/lolipenotadigujibepa.pdfIn PDF document text
    • http://kevawiposiwa.rf.gd/vejusijurikap.pdfIn PDF document text
    • http://labiwuju.rf.gd/rodaxumovanimewuwokoti.pdfIn PDF document text
    • http://tuwojusedikemi.rf.gd/auto_page_break_in_jspdf.pdfIn PDF document text
    • http://wosoremozojofam.epizy.com/cookbook_template_psd.pdfIn PDF document text
    • http://vepitejususas.atwebpages.com/wuzosed.pdfIn PDF document text

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