Malicious PDF — malware analysis report

Static analysis result for SHA-256 2008a47069b2450f…

MALICIOUS

PDF

55.8 KB Created: 2021-09-02 10:35:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-14
MD5: 0aa930ad05a6ef400c294b303e160e99 SHA-1: c72d197b506754c7ded2c1aef9e5db8c6a7ba54e SHA-256: 2008a47069b2450f3953b6c2cbaed0e322ba97aead2e657bff8c8c7838cbf31d
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file is classified as malicious by ML and ClamAV, indicating it's a phishing or trojan delivery mechanism. It functions as a link farm, directing users to multiple compromised WordPress upload directories and other disposable hosting sites. The presence of embedded URLs and the heuristic firings strongly suggest an attempt to lure users to malicious content, likely for credential harvesting or further malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7919

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 http://www.tramag.pl/upload/file/waxasobumenusafudodux.pdf In PDF document text
    • https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/4440bc94fe85ca3036cc655a70f71bba/13809867399.pdfIn PDF document text
    • http://sinners-party.de/media/file/17059660331.pdfIn PDF document text
    • https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/jf5trmgbkhaa2gq1sf3ore3krk/95358336864.pdfIn PDF document text
    • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/842819dc127448bb0fd5051f1ed9b6d6/17711133705.pdfIn PDF document text
    • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/469d13dfef6f29c11a8cc25e51084e1e/81049469032.pdfIn PDF document text
    • http://luvnchrlysenglishtoys.com/clients/861429/File/sasugurujukijezovugo.pdfIn PDF document text
    • https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/69dcjbo6qsfhg08g0khta0all7/xozorabapuxajo.pdfIn PDF document text
    • http://csc0731.com/userfiles/file/20210829144506_1vgmk3.pdfIn PDF document text
    • http://hayatteknoloji.com/webimage/file/midudavo.pdfIn PDF document text
    • https://wodepcb.cn/uploadfiles/files/14283239896.pdfIn PDF document text
    • https://pametnidom.hr/pametne_kuce/userfiles/file/mogovekugogexaj.pdfIn PDF document text
    • http://2ds-creations.fr/userfiles/file/42722155277.pdfIn PDF document text
    • http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160861b2517aba---tivonipiweriluwadige.pdfIn PDF document text
    • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/0hc0jfn160likji8dm9ih543s3/82110671721.pdfIn PDF document text
    • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/27ac5536e5651f4cfbf25a91925cf743/zewures.pdfIn PDF document text
    • http://citysuji.com/ckfinder/userfiles/files/4220840224.pdfIn PDF document text
    • https://nepalaviationmuseum.com/userfiles/files/mewujokefitefadem.pdfIn PDF document text
    • http://614move.com/clients/4890/File/zeminaxupixowanoxanisixa.pdfIn PDF document text
    • https://onsale.social-push.cc/data/fckeditor/files/79001705330.pdfIn PDF document text
    • http://movitecnic.com/ressource/site-image/files/23898453306.pdfIn PDF document text
    • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073ee970f8d4---25286118440.pdfIn PDF document text
    • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160751e2202ff7---xagilajafasakerikevo.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=1400+light+years+in+yearsPDF link annotation
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c89b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC89B 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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