Malicious PDF — malware analysis report

Static analysis result for SHA-256 24ebd6ce4396bf50…

MALICIOUS

PDF

63.6 KB Created: 2021-09-01 06:27:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: ded7831bfc1825c6bdde2f4cc0c4b588 SHA-1: 032e496f5575f631ce463c004053b27dfb16031c SHA-256: 24ebd6ce4396bf50cf793de38717f958d3a35731726b89cfc5d0c3e2f59b32b7
124 Risk Score

Malware Insights

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

The PDF file was detected by ClamAV as Pdf.Phishing.Trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites and are structured as a link farm. These links likely lead to phishing pages or further malware downloads, indicating a malicious intent to deceive users.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3819

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://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/19cc2e71341ae370fd905f5e34852fdb/18203569173.pdf In PDF document text
    • https://salvatoredivilio.it/userfiles/file/mavogafu.pdfIn PDF document text
    • http://thuephotocopytaihanoi.com/upload/files/18635302880.pdfIn PDF document text
    • http://koryosushi.com/uploads/files/dunexixijijop.pdfIn PDF document text
    • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607777f3be247---tukojumejozuso.pdfIn PDF document text
    • http://hhsbluebirds1967.com/clients/b/b5/b592d679e9980e62d9d56be1bfb8b6b6/File/vufofivovegonizadudidam.pdfIn PDF document text
    • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/e4a9300ad75dbac9ad184250fe963868/19769959292.pdfIn PDF document text
    • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/a6bbc3b3be9f0874bab7ef6bba35090e/zirepemusowexajix.pdfIn PDF document text
    • http://hart-metale.pl/gimnazjum/userfiles/file/metasukutisep.pdfIn PDF document text
    • http://medica-eg.com/userfiles/file/selutitesefinate.pdfIn PDF document text
    • http://chhsclassof70.com/clients/1/1f/1f6d1b94cf555b90b9f410dfa82aea5f/File/nifetukunod.pdfIn PDF document text
    • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/fa045cc7831ca257f58b0503d8b4ca74/36217914681.pdfIn PDF document text
    • http://rurisnet.org/images/file/vetipanifufabesulo.pdfIn PDF document text
    • http://winso.tw/userfiles/file/dijotufuzawiwo.pdfIn PDF document text
    • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e63fb87854---40084843353.pdfIn PDF document text
    • http://imi.vc/upload/files/60121529601.pdfIn PDF document text
    • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/rppcf133j59gv228t42ed2nc5a/rozaziv.pdfIn PDF document text
    • https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/6b518e4b73ba09676de1199665430f17/77581866723.pdfIn PDF document text
    • https://feng-shuiworld.com/userfiles/file/25559425691.pdfIn PDF document text
    • http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e238f96d7d---ganobesorog.pdfIn PDF document text
    • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b22392689c1---mikuwaselopunazajamete.pdfIn PDF document text
    • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160d5a113f25cf---gitozemuponerudom.pdfIn PDF document text
    • http://johnlillylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/77684460636.pdfIn PDF document text
    • http://minhtoangalaxyhotel.vn/app/webroot/files/ckfinder/files/21902815260.pdfIn PDF document text
    • https://actor-conseil.com/files/file/44331605115.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=changing+png+to+jpgPDF link annotation
    • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/846d8d2a3b5b003929d682243cd4897e/zujezamesegemiwuwekopin.pdfIn PDF document text

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