Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6a4e93f5d0417ef…

MALICIOUS

PDF

41.6 KB Created: 2021-03-22 20:49:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 833df477099fba6ccfee3bfe8be41277 SHA-1: 0d70140c684349f2b89f21633d7dabdb6fbe34a9 SHA-256: e6a4e93f5d0417ef2646b1c94f3563fa7acb63b6e4572bf86b47d5a83435b72d
124 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8113

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://maypoin.ru/aws?utm_term=helm+runewords+diablo+2 PDF link annotation
    • https://wegoboxup.weebly.com/uploads/1/3/4/7/134772399/taduxeberuru.pdfIn PDF document text
    • http://wolovagonu.iblogger.org/ibwave_tutorial.pdfIn PDF document text
    • https://dejutuzalusabi.weebly.com/uploads/1/3/4/8/134869317/dogize-mukurefuf-soganeban-diloduvo.pdfIn PDF document text
    • https://cdn.sqhk.co/jovakuki/ge2hagg/download_playtube_dan_video_tube.pdfIn PDF document text
    • http://prosale.company/6.5_creedmoor_load_data_hodgdon_superformance27t6o.pdfIn PDF document text
    • https://serudifatu.weebly.com/uploads/1/3/5/3/135324897/705718.pdfIn PDF document text
    • https://sirutobij.weebly.com/uploads/1/3/0/7/130776617/509e2.pdfIn PDF document text
    • https://pesuwoleze.weebly.com/uploads/1/3/5/2/135295903/5573349.pdfIn PDF document text
    • http://sale20.site/92745001223z8rhk.pdfIn PDF document text
    • https://cdn.sqhk.co/letarezetap/Gijjhq7/vepoxonojimugapotap.pdfIn PDF document text
    • https://cdn.sqhk.co/tobijoge/hgfqhjb/mafia_city_of_lost_heaven_best_mods.pdfIn PDF document text
    • https://21e323bd-7fdd-46e9-a6c7-4880e76d7610.filesusr.com/ugd/0a51c1_8affa79f5e2c4104a8dd24cbd453d719.pdf?index=trueIn PDF document text
    • http://ropipowewigu.epizy.com/does_directv_have_a_remote_app.pdfIn PDF document text
    • https://s3.amazonaws.com/jijari/kanji_look_and_learn_workbook_answer_key.pdfIn PDF document text
    • https://s3.amazonaws.com/xezonijida/mususosivesejetofutovot.pdfIn PDF document text
    • https://2559d30b-64cd-4b4d-aaad-e76a675dde99.filesusr.com/ugd/f5a024_11d6ec47640b42d5bb43690225dfa2fc.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/legapatatezisa/org_chart_template_powerpoint_2010_free.pdfIn PDF document text
    • https://s3.amazonaws.com/pigolo/wuxabufexofimupuwat.pdfIn PDF document text

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