Malicious PDF — malware analysis report

Static analysis result for SHA-256 37274c02f6099340…

MALICIOUS

PDF

62.3 KB Created: 2021-03-31 01:55:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 0f277da2d8c92a78ec73bcbb51b91580 SHA-1: d1c349777107e895b0a87383fd8c3e441a9c30ce SHA-256: 37274c02f609934034df4839cf2b5f053312bbe9c016d0ad3be7232da11184dd
124 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9558

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 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://xezojetit.ru/award?keyword=flavonoids+as+antioxidants+pdf PDF link annotation
    • http://it50life.pro/80188759713sk614.pdfIn PDF document text
    • http://efarbok.xyz/fukefemibenuzupilijh9v5d.pdfIn PDF document text
    • http://prostotit.site/visual_basic_tutorial_for_beginners_in_hindiapsgq.pdfIn PDF document text
    • https://sutopudebesi.weebly.com/uploads/1/3/1/4/131438093/3706546.pdfIn PDF document text
    • https://jutifakakunule.weebly.com/uploads/1/3/5/9/135985430/3611582be.pdfIn PDF document text
    • http://ig-socialmedia.xyz/83294600892rf8ya.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4480884/normal_5fe6bb5206563.pdfIn PDF document text
    • http://idealica-columbia.site/gijelevnqsc.pdfIn PDF document text
    • http://doxosutida.22web.org/43381047758.pdfIn PDF document text
    • http://keto-s1.com/neil_degrasse_tyson_astrophysics_in_a_hurry4wvzk.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408352/normal_5fc6aaa4063f7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477167/normal_5fd1f17d3424f.pdfIn PDF document text
    • https://worubagazew.weebly.com/uploads/1/3/4/6/134639575/tevajamaso_mugeki_vilitoluludu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460042/normal_606399fa2c163.pdfIn PDF document text
    • http://fakosujonipej.iblogger.org/bsc_bed_application_form_2019_last_date.pdfIn PDF document text
    • http://itsnat.space/91364919727izmr8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4492240/normal_60194877dfa04.pdfIn PDF document text
    • https://rajexomogalifi.weebly.com/uploads/1/3/4/8/134891851/jewuletumubu.pdfIn PDF document text
    • http://nosinoski.shop/sofewumezagadelipijugs08g.pdfIn PDF document text
    • https://kaxagigunuji.weebly.com/uploads/1/3/1/3/131383746/b2d85.pdfIn PDF document text
    • https://s3.amazonaws.com/gomakobez/30647704871.pdfIn PDF document text
    • http://rokopive.epizy.com/14222378562.pdfIn PDF document text
    • https://s3.amazonaws.com/woneketelak/libro_asana_pranayama_mudra_bandha_en_espaol_gratis.pdfIn PDF document text
    • http://regipikiwubadov.epizy.com/outlook_email_form_template_2016.pdfIn PDF document text

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