Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c9aab23343b27be…

MALICIOUS

PDF

59.7 KB Created: 2020-12-29 13:52:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 704782808249c48b133fac4bf2a2e473 SHA-1: 27a6d98ac46c78da0562749ef90e4bd73f87df98 SHA-256: 5c9aab23343b27be893b8955f00bd152d17b98d51b69532373eae583a2e0f69c
152 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a link to a known malicious redirector, traffmen.ru, which is likely intended to phish user credentials or deliver further malware. The embedded URL is part of a lure related to a health research institute, suggesting a targeted phishing attempt. No scripts were extracted, but the presence of a malicious redirector and the ML classifier's output strongly indicate a phishing attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7220

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://traffmen.ru/strik?utm_term=kaiser+permanente+washington+health+research+institute In PDF document text
    • https://cdn.sqhk.co/rurokusulos/frhdfhb/84410209609.pdfIn PDF document text
    • https://cdn.sqhk.co/golizojuw/hagcjig/roku_tv_remote_app_for_pc.pdfIn PDF document text
    • https://jeraligasusuwaj.weebly.com/uploads/1/3/4/5/134528446/zuridulerapij.pdfIn PDF document text
    • https://cdn.sqhk.co/tuponapalab/xYhdQgg/holland_america_cruise_and_fly.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418362/normal_5f9f9cca05dce.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/d6a67191-7204-44d0-9222-e74572f57d02/26595240322.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/01b92ad5-5b99-4e21-81bb-bafc945f120c/lavoli.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5635ba95-74f7-4244-9294-6ec407a0adc3/kowepejemoxonokibodakibi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b230271f-8b0a-4730-88bb-ea9445b41b65/human_evolution_chart.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/67f44953-9e82-44bd-bba0-8bebd29ebadf/camp_song_percy_the_pale_faced_polar_bear.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/eb395526-59ee-4eef-af64-cd23cd50f665/voreriraduzikozufeburik.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/67d2879f-0d27-43c3-87d8-2dd599ff5341/concepts_of_independence_inc_new_york.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000df20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF20 5288 bytes
SHA-256: 4c32f68f4c1cb84f1c029b4340488540da95484a74a865de28b0cc22fadebd9e

Open this report in the interactive analyzer, or submit your own file for analysis.