Malicious PDF — malware analysis report

Static analysis result for SHA-256 7efbc20655770dc0…

MALICIOUS

PDF

56.7 KB Created: 2021-09-18 00:35:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-16
MD5: b01539d910ff1a817619f56f2c7eda1e SHA-1: 33046641d1bf4e38f0c725320df2da79a8fd09df SHA-256: 7efbc20655770dc0e5b374461e13a120f7982a51cf211802ad10ce0ac750e024
154 Risk Score

Malware Insights

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

This PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs that point to external websites, some of which are hosted on compromised WordPress installations. The presence of these links suggests an attempt to lure users to malicious sites for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7719

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://garglob.ru/uplcv?utm_term=kotor+2+android+release+date PDF link annotation
    • https://sdhouse.info/ckfinder/userfiles/files/12146003422.pdfIn PDF document text
    • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3835c5354---10776310548.pdfIn PDF document text
    • http://farmaciafoglia.eu/userfiles/files/vefubexuvotagizexi.pdfIn PDF document text
    • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613a2d3197fae---67145439376.pdfIn PDF document text
    • http://wimborst-ceramics.nl/ckeditor/ckfinder/userfiles/files/62100930216.pdfIn PDF document text
    • http://studiogaleazzo.eu/userfiles/files/vowinevagamikowozeniki.pdfIn PDF document text
    • http://thayloilocnuoctaihanoi.net/upload/files/76151211167.pdfIn PDF document text
    • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/fap3kg80ag2lcpdkndgjjvimp7/vivuniza.pdfIn PDF document text
    • https://ceccarbotosani.ro/userfiles/file/88668210821.pdfIn PDF document text
    • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613d00e7bcbcf---77612693701.pdfIn PDF document text
    • https://monyetmesum.com/contents/files/fijeludatumenitovojupi.pdfIn PDF document text
    • http://maychaybocaocap.com/app/webroot/uploads/files/fitepi.pdfIn PDF document text
    • http://bukvoznaika.ru/ckfinder/userfiles/files/dubogupamobetugitixuwime.pdfIn PDF document text
    • http://kantoromega.pl/userfiles/file/43104799075.pdfIn PDF document text
    • https://dom4m.de/userfiles/files/jiduvulelalepezuwadago.pdfIn PDF document text
    • https://carpenterstouchnj.supremeroi.com/FCKeditor/file/tubiwaverulutonogureke.pdfIn PDF document text
    • https://fundoohairstyles.com/hairstyler/images/file/vezevobewapajujir.pdfIn PDF document text
    • https://fong-cai.com/upload/files/rugoredipapenaxufudelixa.pdfIn PDF document text
    • http://bsa-billiard.by/images_from_html_editor/file/37653378682.pdfIn PDF document text
    • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161422c81e085a---xexoguseg.pdfIn PDF document text
    • http://yao-cheng.com/uploadfiles/20210903203418.pdfIn PDF document text
    • http://midospa.com/upload/files/wanubiranojixobatu.pdfIn PDF document text
    • https://buffinvestment.com/upload/ckfinder/files/17853740243.pdfIn PDF document text
    • http://jagodkaprzedszkole.pl/userfiles/file/zirulijekubosiduxeg.pdfIn PDF document text

Open this report in the interactive analyzer, or submit your own file for analysis.