Malicious PDF — malware analysis report

Static analysis result for SHA-256 5baeec8bd0074b6f…

MALICIOUS

PDF

59.5 KB Created: 2021-08-13 13:27:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: 2e5b82978cfe217824539057e086108e SHA-1: 1456a6d9496396251ac12a7552720a434a58f6dc SHA-256: 5baeec8bd0074b6f44a7de97aaabdfa733fc70f47b087543cb4f0ed4c5830550
124 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ClamAV, indicating it is likely a phishing or malware distribution lure. It functions as a link farm, containing numerous URLs pointing to compromised websites and disposable domains. These links are designed to trick users into visiting malicious sites, potentially leading to credential theft or further malware infection.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3863

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://pistant.ru/uplcv?utm_term=a+guide+to+the+project+management+body+of+knowledge+sixth+edition+free+pdf PDF link annotation
    • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/8f28361320a2d45d5dd97014293beea9/vuziwago.pdfIn PDF document text
    • http://tsg-edinstvo.ru/userfiles/file/55272935901.pdfIn PDF document text
    • https://togeltop.net/contents//files/tifopapilawufi.pdfIn PDF document text
    • http://xlsferrosilicon.com/d/files/49685247342.pdfIn PDF document text
    • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072abdea7620---72790428973.pdfIn PDF document text
    • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160781ce11fe7f---rasudupulamiwetunemomo.pdfIn PDF document text
    • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160f97d27ed3a8---29340664425.pdfIn PDF document text
    • http://gapoom.com/upload/fckeditor/file/xuxebisujufobofebike.pdfIn PDF document text
    • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/gi34reth65s8tc0mdd0jn5juk1/65427639520.pdfIn PDF document text
    • http://gulfcoolcontracting.com/uploads/userfiles/file/file/40524687198.pdfIn PDF document text
    • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/c6f2f8f3a5ef027af402b827f5dcfd9b/10731453553.pdfIn PDF document text
    • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/f8f845e3b65a0867204fa4e26d63859a/sijipeluvejodepum.pdfIn PDF document text
    • http://anhuishangbiao.com/upload_fck/file/2021-5-14/20210514121635490131.pdfIn PDF document text
    • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/g9vjo5s9nuutblblaef2u1our5/xorutumutadedij.pdfIn PDF document text
    • https://bilalyapidekorasyon.com/userfiles/file/79215203707.pdfIn PDF document text
    • http://mid-europe-ex.com/67939006418.pdfIn PDF document text
    • http://wang023spa.com/userfiles/202106file/2021061317232670554.pdfIn PDF document text
    • https://spitalmoldovanoua.ro/ckfinder/userfiles/files/31035087837.pdfIn PDF document text
    • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072935a66768---47742033249.pdfIn PDF document text
    • http://kemenyseprosiklos.hu/upload/file/2230197923.pdfIn PDF document text
    • http://partnercable.hu/files/luwadi.pdfIn PDF document text
    • http://resheto.ru/users_images//fck/file/gejinanebelekomaselovew.pdfIn PDF document text
    • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/v8ojgm24mu4ghta2seuiiu3si7/zomemujowusurirepeduga.pdfIn PDF document text
    • http://www.dilipprabhavalkar.com/images/file/10080040127.pdfIn PDF document text

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