Malicious PDF — malware analysis report

Static analysis result for SHA-256 08d7ae0f48d28350…

MALICIOUS

PDF

65.1 KB Created: 2021-07-17 05:10:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: 5eee79ff981855cf096b8164639b72c5 SHA-1: 86bfb4d5a50aaba52e710d902b4e6f2a66c3d54a SHA-256: 08d7ae0f48d28350fae6c5d7fecc273dfa97a4921e87a4776da36af70b1b0ea7
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous links, many pointing to compromised websites or disposable domains, suggesting an intent to lure users to malicious content. The ClamAV detection and ML classifier further support its malicious nature. While no scripts were extracted, the structure and URL patterns are indicative of a phishing or malware distribution campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5460

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://24cvety.ru/upload/files/milizixasut.pdf In PDF document text
    • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a1f1b5b5fb8---jusafojajokelazedepapose.pdfIn PDF document text
    • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a61b5e245b---92494353347.pdfIn PDF document text
    • https://capecoralliving.com/media/file/xigasolosawa.pdfIn PDF document text
    • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/113bea6396314ccb53d052248f1b1a69/wabaka.pdfIn PDF document text
    • http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/48712805537.pdfIn PDF document text
    • http://chinajessie.com/seadata/data/uploads/img/file/162531324280.pdfIn PDF document text
    • https://www.lashharmony.co.uk/wp-content/plugins/super-forms/uploads/php/files/hhdnaclsuo9efu0rufsbbi5a3t/fonikalorotipufuzodufu.pdfIn PDF document text
    • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160847377b38a7---nedovavirimimeron.pdfIn PDF document text
    • http://www.tsahimmongol.com/uploads/images/files/tosazemidu.pdfIn PDF document text
    • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/26e9b9147ebd9a1dfbac37d3b59c1983/pexinusijamepagiresigij.pdfIn PDF document text
    • http://nanoscopy.ru/uploads/files/zawonitupe.pdfIn PDF document text
    • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/4abcad15837f90e4b4ee387160e356ee/84440820403.pdfIn PDF document text
    • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/ta2mkefmvjiq7g2ubo8rnbm713/79031631794.pdfIn PDF document text
    • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1a13b17969---nimaba.pdfIn PDF document text
    • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf58739c0bc---1432578382.pdfIn PDF document text
    • http://hopkinshigh1966.com/clients/1/10/1054c114374c88b4a165e91103565d41/File/muzubizorulixir.pdfIn PDF document text
    • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ohg7tihu2gob1oq6gdnsgdnpo0/deretipiladowolojukewujuj.pdfIn PDF document text
    • http://womensmentalhealthmd.com/clients/9/9a/9a9ccad1be43d50cbc9928f06550b956/File/rasogukit.pdfIn PDF document text
    • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609230df6280b---83959053543.pdfIn PDF document text
    • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f1f812af24d---kutezopoziv.pdfIn PDF document text
    • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/dc155sb70u8adcgmbkpqcsg3jh/ruxebinexenobanasovimemo.pdfIn PDF document text
    • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/fe266dcec1a031ba360111cc6ade7924/19683337031.pdfIn PDF document text
    • https://trunglamdecor.com/uploads/userfiles/file/xopawawanigedeb.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=c+and+c%2B%2B+interview+questions+and+answers+for+freshersPDF link annotation

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