Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4d7d580122f0e98…

MALICIOUS

PDF

40.8 KB Created: 2021-02-24 23:20:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 5028f3a261e9841801e35d2349c264e9 SHA-1: 7e1824ef57468cec327e1d182e6ee9bd13da75c6 SHA-256: e4d7d580122f0e989a5ae06ef36e0b465b8a2c00f536a2a30063f2b9bb7726b4
124 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.8937

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://baarspo.ru/award?keyword=what+is+pilot+arc+on+a+plasma+cutter PDF link annotation
    • http://muvirire.22web.org/mukopifenasewegovoferu.pdfIn PDF document text
    • https://wagimudo.weebly.com/uploads/1/3/4/4/134475497/c5498.pdfIn PDF document text
    • https://cdn.sqhk.co/moturalogupe/jeghJxD/nitutakiwikunaxadofukasad.pdfIn PDF document text
    • https://sovopedu.weebly.com/uploads/1/3/5/3/135301682/xadafadegobelo.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4458614/normal_5fdf635774ac8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374689/normal_6021ca25edb65.pdfIn PDF document text
    • https://norusukesalija.weebly.com/uploads/1/3/4/3/134356509/tuzesopalarebuxoxuje.pdfIn PDF document text
    • https://cdn.sqhk.co/virurewev/dicUgiF/wheelie_bike_game_hacked.pdfIn PDF document text
    • http://lazujifoxupa.getenjoyment.net/94423946866.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452618/normal_6015b6209b4c7.pdfIn PDF document text
    • http://nuloriwilorij.scienceontheweb.net/rizisorutijuneligo.pdfIn PDF document text
    • https://cdn.sqhk.co/zudoputasafe/cijnYRD/rabbit_pop_bubble_mania_apk.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447640/normal_5fff95ae6846c.pdfIn PDF document text
    • http://vujuvisesakok.myartsonline.com/the_acceleration_due_to_gravity_on_venus_is_0.89_that_of_earth.pdfIn PDF document text

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