Malicious PDF — malware analysis report

Static analysis result for SHA-256 62ae2e2c2f49efb3…

MALICIOUS

PDF

62.3 KB Created: 2021-09-05 11:58:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: 3c24868f09ec5f2656687fe2a34f6019 SHA-1: f548cefbaab8ce07ca7761bde55c738b21bac5e8 SHA-256: 62ae2e2c2f49efb30af89a80b2f5e9480622faa7e4253d940fdeff0150349cb4
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, suggesting a phishing or malware distribution attempt. The presence of external URIs and link farms on disposable hosting indicates a likely attempt to lure users into downloading malicious content or visiting phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8923

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
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://irlanc.ru/uplcv?utm_term=daily+planner+template+pdf+free PDF link annotation
    • https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160784da7a05a8---begitigakajurafo.pdfIn PDF document text
    • http://privateeducation.sg/verzsape/demo/upload/admin/files/70764232888.pdfIn PDF document text
    • http://www.masozilina.sk/ckfinder/userfiles/files/kimosimoworapubovofuv.pdfIn PDF document text
    • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/191a4a3133dc983fa57f2de17d32249f/91814109698.pdfIn PDF document text
    • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/o3dp79vdrn6r1m3e08cktur1qi/17094857493.pdfIn PDF document text
    • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f953d11c77c---72739498535.pdfIn PDF document text
    • http://bunny888.com/ckfinder/userfiles/files/pifatub.pdfIn PDF document text
    • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/mq5jiffeetsd22hqj578epltd0/vezikojomatip.pdfIn PDF document text
    • http://asianaccounting.com/admin/fckeditor/userfiles/file/50825593040.pdfIn PDF document text
    • https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/q7c2vpau4n1n4v8ot81bd9m6s5/kexudururabipimiru.pdfIn PDF document text
    • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/ltauinohnvrqq1c9pl6ugh2do4/musesopej.pdfIn PDF document text
    • http://ebsenglish.net/_UploadFile/Images/file/28694195087.pdfIn PDF document text
    • https://xo-sound.ru/userfiles/file/9026518141.pdfIn PDF document text
    • https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/c942co0n78r9vk4nm0ttbk7tr9/weniwafawetaxuwozis.pdfIn PDF document text
    • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609984918602f---74989195448.pdfIn PDF document text
    • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160fd287f30fca---bizinexavikite.pdfIn PDF document text
    • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9836eeba94d8ee8fd2f056f0444fdb75/14051458476.pdfIn PDF document text
    • http://traiteur-ribot.fr/userfiles/file/25025975450.pdfIn PDF document text
    • http://asustainable.com/global/file/58567986847.pdfIn PDF document text
    • https://geneolock.com/locktactyuma/userfiles/file/buluguxiweno.pdfIn PDF document text
    • http://ducthanggroup.com/webroot/img/files/39018581432.pdfIn PDF document text
    • https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/b4d83c6eb97b876e22c48b671cffffae/16022537120.pdfIn PDF document text
    • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/868e8ea9c9aed2c92afbb57a5d6023be/pidedoritejuf.pdfIn PDF document text
    • http://dtcguild.org/clients/80367/File/85750508647.pdfIn PDF document text
    • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096dca76cabe---madeponuseburob.pdfIn PDF document text

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