Malicious PDF — malware analysis report

Static analysis result for SHA-256 43387e85d3f1e8d4…

MALICIOUS

PDF

52.6 KB Created: 2021-01-16 12:31:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 99143b31ea66afc5fc3714c5f6fc6fb6 SHA-1: 3a0a40bc973151727ab019d2e12f853f627860c5 SHA-256: 43387e85d3f1e8d4abaea9f85822544186e9471124d7ff0d4faeac7b7e3cfbd3
94 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains an embedded URI pointing to 'traffking.ru', likely a malicious domain used for further exploitation. The document body, though heavily obfuscated, suggests a lure related to a 'Travel portal template'. No scripts were extracted, but the presence of external URIs and the overall detection profile suggest it's designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7181

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://traffking.ru/aws?utm_term=travel+portal+template PDF link annotation
    • https://site-1248123.mozfiles.com/files/1248123/48072583806.pdfIn PDF document text
    • https://site-1175276.mozfiles.com/files/1175276/50651763768.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421330/normal_5fe79677b9636.pdfIn PDF document text
    • https://cdn.sqhk.co/befozaxulot/hhjmFTq/cpa_yellow_book_cpe_requirements.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367308/normal_5fb943fcc7d96.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411229/normal_5fb37208c1c51.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393628/normal_5fada1f74d810.pdfIn PDF document text
    • https://site-1177111.mozfiles.com/files/1177111/wapking_in_2018_video_song.pdfIn PDF document text
    • https://site-1175416.mozfiles.com/files/1175416/bus_game_apk_2017.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387233/normal_5fa2c59999510.pdfIn PDF document text
    • https://cdn.sqhk.co/wifopuzuxiba/jcxiijb/ludo_star_free_download_for_iphone.pdfIn PDF document text
    • https://site-1172602.mozfiles.com/files/1172602/history_of_christmas_traditions_around_the_world.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454436/normal_5fd817a07ef8f.pdfIn PDF document text

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