Malicious PDF — malware analysis report

Static analysis result for SHA-256 748ee2f2bdf6d4ec…

MALICIOUS

PDF

70.9 KB Created: 2021-03-12 16:40:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: b935fb8cdc96ef525b0615ae94f564d5 SHA-1: cf6686e6c504a1bafeba03b49e1e1014284b2902 SHA-256: 748ee2f2bdf6d4ec9555d5d84d980887d9c1836297632b4b2f05bb620338954d
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

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 0.9665

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • 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://xezojetit.ru/award?keyword=mapa+calas+mallorca+pdf PDF link annotation
    • http://lasns.fun/dont_call_me_ishmael_book_summaryxm7rg.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4391317/normal_5fec1384a8f69.pdfIn PDF document text
    • http://indonesia2health.online/983014829392f727.pdfIn PDF document text
    • http://instasale.company/357228395882kofx.pdfIn PDF document text
    • https://toginomaba.weebly.com/uploads/1/3/4/0/134042469/11cfdca66cedacd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481173/normal_604b4b49ca237.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421205/normal_603326bd222bc.pdfIn PDF document text
    • https://cdn.sqhk.co/dipujabuxiw/yibijG9/skins_movie_2017_download.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403687/normal_5fcf73518b563.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485176/normal_5fee88c377243.pdfIn PDF document text
    • https://dasowafajego.weebly.com/uploads/1/3/4/7/134723411/lobuxomidag.pdfIn PDF document text
    • https://cdn.sqhk.co/zafowavo/iigfrje/xuruduvimi.pdfIn PDF document text
    • http://santand-es.com/injustice_gods_among_us_year_2_comicjidw8.pdfIn PDF document text
    • https://cdn.sqhk.co/vunelebu/fLheogg/sakura_school_simulator_apk_version_1._036.pdfIn PDF document text
    • https://cdn.sqhk.co/kapapomabu/NjbijgL/gewogexeduru.pdfIn PDF document text
    • https://dagazafija.weebly.com/uploads/1/3/1/4/131484603/6747172.pdfIn PDF document text
    • https://ponukikoruxa.weebly.com/uploads/1/3/4/3/134343798/3086796.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/vuliwisuwig/4979016214.pdfIn PDF document text
    • https://s3.amazonaws.com/betefowubevat/74313238050.pdfIn PDF document text
    • https://s3.amazonaws.com/bededuxotulapil/breville_barista_express_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/wobuzisibal/vscode_jsp_formatter.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/da1c32fb-b723-4849-bfdf-e997d00fd567/t_fal_optigrill_switches_to_manual_mode.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ba91689e-0913-430e-9188-3064a65a19d7/loud_and_clear_speech_therapy.pdfIn PDF document text
    • https://s3.amazonaws.com/lefemijip/jurassic_park_theme_song_sheet_music_trumpet.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0cd6c81a-849b-4bba-9515-5fde61e92635/fetofadajipekobedoluf.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f958.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF958 5304 bytes
SHA-256: 95b6a819d776e88589ecf249bf1d7e139fd0ae743bd157c615c196daedd7455a

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