Malicious PDF — malware analysis report

Static analysis result for SHA-256 12de0e5971816138…

MALICIOUS

PDF

58.6 KB Created: 2021-06-14 20:35:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 8c94a418ae92e9c6e9c2d9ed91bca21b SHA-1: 3185ba62c156deb38bd5ad5de4f94c4b4a302b95 SHA-256: 12de0e5971816138fdad1a3acef24335066c1d21e1758f5193394ff42441f44c
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The ML classifier also flagged this PDF as malicious. The presence of these links indicates an attempt to lure users to potentially harmful sites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8073

Heuristics 4

  • 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://allytemp.ru/uplcv?utm_term=8+ball+pool+2 PDF link annotation
    • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab63cc1f4d3---nixigo.pdfIn PDF document text
    • https://warungmimpishio.com/contents//files/newirimubozubejom.pdfIn PDF document text
    • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/55f8287b718c434b6b1149e916f4ecf8/53472840094.pdfIn PDF document text
    • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0nvs0uo5gtmd8ilt0n86rrhq15/86606317116.pdfIn PDF document text
    • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/909f2a1afcdde32047f5dab66a82dd05/34912787027.pdfIn PDF document text
    • http://georgefamilyreunion.org/clients/86186/File/xizavelanowazapaw.pdfIn PDF document text
    • http://relocationservicesgroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8c95c956c---mevujurizo.pdfIn PDF document text
    • http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f97dc4b63e---66745515420.pdfIn PDF document text
    • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/e938cc710ac1ca17a673f4b45ca73cd4/253585811.pdfIn PDF document text
    • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/ak8b58v8lbf9dhj657bq9citpm/96735203046.pdfIn PDF document text
    • http://bfr-bialapodlaska.pl/userfiles/file/gabafon.pdfIn PDF document text
    • https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/43438362994deeca48635745835e1af9/parudokuporawuvudub.pdfIn PDF document text
    • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d2f771009---moxapuneropedofo.pdfIn PDF document text
    • http://rainbowcaterers.in/userfiles/file/zudozovokikujoxos.pdfIn PDF document text
    • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16099c2554a7ae---gobuf.pdfIn PDF document text
    • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/9sm5a23m2nhnroskdvrarettg7/14496635682.pdfIn PDF document text
    • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160949875e3701---77852225292.pdfIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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