Malicious PDF — malware analysis report

Static analysis result for SHA-256 7066f6a56906b17c…

MALICIOUS

PDF

40.3 KB Created: 2021-09-30 18:02:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: 96a1a72e4a1c556742e5e464441bd61a SHA-1: 2677838b13f2a84836baadba8f02cd034e6c2321 SHA-256: 7066f6a56906b17cb79ce2d5922da5a7b85c6b4a5365239288d035372f240212
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file is identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing lure. It contains an image-only interface with a clickable action, typical of attempts to trick users into visiting external URLs. The numerous embedded URLs point to various domains, many of which appear to be disposable or compromised, suggesting a campaign to distribute malicious content or phish for information.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8574

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
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 40 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://michael-dhom.com/webseiten/file/60609283614.pdf In PDF document text
    • http://smeeing.com/userfiles/files/rexulexugikele.pdfIn PDF document text
    • http://csc0731.com/userfiles/file/20210906160950_eog268.pdfIn PDF document text
    • http://usateatop.com/_upload/files/tetazowixupoxanugelezigex.pdfIn PDF document text
    • http://vstarmp.cn/upload/files/20210923_030307.pdfIn PDF document text
    • http://evola.it/userfiles/files/dezegotilobowe.pdfIn PDF document text
    • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16139f21cd5f9d---wisadarez.pdfIn PDF document text
    • http://selfmadefilms.nl/userfiles/files/tibojuzisi.pdfIn PDF document text
    • http://hud101.vn/webroot/img/posts/files/91281849495.pdfIn PDF document text
    • http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/zeniloxevikuvaki.pdfIn PDF document text
    • http://bdn10.cz/files/file/44673130024.pdfIn PDF document text
    • http://brooss.by/userfiles/file/26857099925.pdfIn PDF document text
    • http://bodamvientin.com/uploads/userfiles/file/keraxevukagut.pdfIn PDF document text
    • http://vivo-mebel.ru/upload/file/18243607774.pdfIn PDF document text
    • http://villahetzwartepaard.nl/survey/userfiles/files/79038388701.pdfIn PDF document text
    • https://chezgregoire.fr/userfiles/xuzimumed.pdfIn PDF document text
    • http://andlupa.com/userfiles/file/varaliwovamakuduvatugipe.pdfIn PDF document text
    • http://ksiclub.org/projects/achievemore/admin/upload/fckImages/file/41159054842.pdfIn PDF document text
    • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/161308bcdf3323---38733396053.pdfIn PDF document text
    • https://apoiotelecom.com/imagens/img_fckeditor/file/46445524231.pdfIn PDF document text
    • http://tidomusica.com/uploads/files/202109020257095395.pdfIn PDF document text
    • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/5oraqdap6bheagio3vpc7uo02u/sebag.pdfIn PDF document text
    • http://gemaeldeundobjekte.de/uploads/files/78829233894.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=adb+usb+driver+installerPDF link annotation

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