Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2d7b39b8b1d03ee…

MALICIOUS

PDF

69.1 KB Created: 2021-07-26 06:31:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-24
MD5: 690dffa44086596893e100937d5be334 SHA-1: b1df11b388f120d4d222273cc7c5f38e4dc56d22 SHA-256: b2d7b39b8b1d03ee0ef6ca3a5c878b86946b600e3dda4cd50ca637d970a8095a
162 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample contains embedded JavaScript, which is often used to execute malicious code or redirect users. The PDF also functions as a link farm, pointing to multiple compromised WordPress upload directories and disposable hosting sites. These elements strongly suggest an attempt to lure users to malicious sites, likely for phishing or to download further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9857

Heuristics 6

  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://aawyx.com/sites/default/imageuser/file/42040935620.pdf In PDF document text
    • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ade335a65e4---24301740952.pdfIn PDF document text
    • http://ithaca1962.com/clients/41687/File/50318278305.pdfIn PDF document text
    • http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607414a882348---sikosulixowebakogepu.pdfIn PDF document text
    • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607257ecd4fad---89146796194.pdfIn PDF document text
    • http://pazzo.jp/js/upload/files/71627776486.pdfIn PDF document text
    • http://casaatlantida.com/userfiles/file///kojokusokobopo.pdfIn PDF document text
    • http://zhodnoceni-penez.cz/is/images/FCKeditor/File/wozixonawovikukutowe.pdfIn PDF document text
    • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f707931652---91935189441.pdfIn PDF document text
    • https://ncvpte.in/userfiles/file/vatezekokoxuwuke.pdfIn PDF document text
    • https://axlthailand.com/imagexx/files/vunilanugip.pdfIn PDF document text
    • http://mtecommerce.it/public/news/file/konobomafawudigo.pdfIn PDF document text
    • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2969dcac5f---tanufodipedaxul.pdfIn PDF document text
    • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/0llnckc1puc57l60l6u62tucj0/dodifodusoregefepe.pdfIn PDF document text
    • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/17df484e18750cb0b6c79a35a1cc9528/xonawufenepabubodonelup.pdfIn PDF document text
    • https://carcable-bg.com/uploads/pictures/files/25765986128.pdfIn PDF document text
    • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/e24501432db405a3756950278238cafb/38859412648.pdfIn PDF document text
    • http://attlas.center/userfiles/file/23159729970.pdfIn PDF document text
    • http://csc0532.com/userfiles/file/20210705034455_9nywu8.pdfIn PDF document text
    • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1607732058c2d0---49372099999.pdfIn PDF document text
    • https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/2345061bc6a81cf69301140fcb4952a8/jelivo.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=illustrator+2021+system+requirements+helpxPDF link annotation

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