Malicious PDF — malware analysis report

Static analysis result for SHA-256 68f7cf9b01ca8022…

MALICIOUS

PDF

62.3 KB Created: 2021-06-12 15:38:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 7fc5d4fb36fa96b621168f10196a206c SHA-1: ceaf44b16d5d1c2e1158142ea237c1c5c2bdbcbb SHA-256: 68f7cf9b01ca80226243c3dc5f7d7f49b1dbf456c4f609ce611fc25d2d115af2
154 Risk Score

Malware Insights

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

The PDF contains numerous external links, many pointing to compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware delivery. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9936

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://garglob.ru/uplcv?utm_term=rick+roll+link+for+discord PDF link annotation
    • http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607b64859373d---39818855456.pdfIn PDF document text
    • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080590a3975a---34854326343.pdfIn PDF document text
    • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160a55e8d90d3f---1989257629.pdfIn PDF document text
    • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/35da89ace56fa53241595ba671e2b0e2/42233648194.pdfIn PDF document text
    • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/acd14fe89573a367f3c8f7eda8d7ec20/buzapenubuke.pdfIn PDF document text
    • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/e185d9debd0054cc2557a5e340af641d/9977856226.pdfIn PDF document text
    • http://matstravel.ru/userfiles/file/newupoxegavumobezobupon.pdfIn PDF document text
    • http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160beb7a1ef1d9---20215861243.pdfIn PDF document text
    • http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160ab0499765ba---telulapevatowedujaza.pdfIn PDF document text
    • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b7345ad079---pomugeris.pdfIn PDF document text
    • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d07ea83a9d---pabizusalobajixowudiwut.pdfIn PDF document text
    • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609013bcdaff1---sodimagimewixog.pdfIn PDF document text
    • https://genegurumiraclehealer.comuserfiles/file/96638106514.pdfIn PDF document text
    • http://at2apigroup3.com/contents//files/55655134582.pdfIn PDF document text
    • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/14m4o6k07nnbnl9fa4g34iouq8/2230200436.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000e283.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE283 4876 bytes
SHA-256: 20eec8ebcfc5ff1d5bc3f352de309c603c50e2f93962bb68f5985acd5434a802

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