Malicious PDF — malware analysis report

Static analysis result for SHA-256 beb3d616a94df1ad…

MALICIOUS

PDF

58.2 KB Created: 2021-07-18 17:28:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: a417374109519154529310e10ffba122 SHA-1: ba8dfd549471a4b7a2929dec0d259130f3a78195 SHA-256: beb3d616a94df1adb15c0a8a87c70f2c3ad0cafca3c21fdb9d2b94252eaff3fa
124 Risk Score

Malware Insights

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

The file was detected by ClamAV as Pdf.Phishing.Trojan. Static analysis revealed it functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other disposable hosting. These links likely lead to phishing pages or further malware downloads, indicating a malicious intent to lure users to malicious content.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3715

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://technok.cz/wp-content/plugins/super-forms/uploads/php/files/7dd0a99d600015df37e445b95a849c84/48924358289.pdf In PDF document text
    • https://orsolyajuhasz.com/ckfinder/userfiles/files/25158351448.pdfIn PDF document text
    • http://2ds-creations.fr/userfiles/file/17917411224.pdfIn PDF document text
    • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/79b731267c163659501f4922c51966bd/62061449567.pdfIn PDF document text
    • https://aulacvn.com/upload/fck/file/wijivisibomunif.pdfIn PDF document text
    • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/nfhld18k81u96fgscu4c1pgesg/13931541473.pdfIn PDF document text
    • https://mayurherbal.com/userfiles/file/sejinojunomatalavelabi.pdfIn PDF document text
    • http://fitnessklub-impuls.pl/uploads/assets/file/jixafivazifolinukuluxixi.pdfIn PDF document text
    • https://my-natural-style.net/upload/files/letiba.pdfIn PDF document text
    • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/7153c704988ce9f5a4a96bfa14dc7498/88493600509.pdfIn PDF document text
    • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/8v57da73fpsnpm4dlucnmd895v/gojatituravakuritoju.pdfIn PDF document text
    • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/02714996dc84e3fa599df2af9a47e35e/60239694945.pdfIn PDF document text
    • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160a0fc7de603b---4761429915.pdfIn PDF document text
    • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/4079f8ed6823af08dbfc284a529e647a/62590349863.pdfIn PDF document text
    • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/67875e4e0da8090ecf9c2968ae3e999b/pawivisovasajunifane.pdfIn PDF document text
    • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073362052bcc---86007859751.pdfIn PDF document text
    • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080def506bc4---kiwaxodopesop.pdfIn PDF document text
    • http://timandlor.com/userfiles/file/16984682513.pdfIn PDF document text
    • http://mgocsm.in/userfiles/file/50653070538.pdfIn PDF document text
    • http://nessium.net/userfiles/file/10897881448.pdfIn PDF document text
    • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607254a53d9e6---mowemilejilitimulebev.pdfIn PDF document text
    • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/dc0f656cc504ca20a7aa63c4c9cc3985/35633665011.pdfIn PDF document text
    • http://eros-arena-reutlingen.de/eros/userfiles/file/bokumovoxelojevukifovuzi.pdfIn PDF document text
    • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/e9d7aeaa8715616a9ba48f9502aba4d8/nitijesanolekalobovumetag.pdfIn PDF document text
    • http://belloverde.net/emailer/file/54183233354.pdfIn PDF document text
    • https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/ff0348f17d2d4452433c4c77ca930488/45143293561.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=implant+removal+side+effectsPDF link annotation

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