Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1a3cc54a5c325bb…

MALICIOUS

PDF

53.1 KB Created: 2021-03-05 03:30:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: eea9a3cc631b9974e3efe8147882513a SHA-1: 18ad1817d52f485dd3f3bd4187a89e236aa994dd SHA-256: e1a3cc54a5c325bb41a92f080f25970128238d81611a1a135b47b65ad1f6d982
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 0.5429

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://leonvi.ru/award?keyword=starbucks+barista+hourly+pay+texas PDF link annotation
    • https://mogijoduvide.weebly.com/uploads/1/3/0/8/130814471/vuzutemalatirititewe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413845/normal_603597e837a23.pdfIn PDF document text
    • http://fomilexavekol.22web.org/dopubojawababir.pdfIn PDF document text
    • http://bomawowaziwan.iblogger.org/android_one_que_significa.pdfIn PDF document text
    • https://cdn.sqhk.co/bixatavafut/Lgd2Njh/free_stuff_on_craigslist_in_merced.pdfIn PDF document text
    • https://rujogapojepon.weebly.com/uploads/1/3/4/5/134597846/pewugelujuvaneje.pdfIn PDF document text
    • https://cdn.sqhk.co/jisaside/cSvTJ0f/watefaziwivazetofepipebug.pdfIn PDF document text
    • https://cdn.sqhk.co/noneniwetav/kZxHiiL/24122022938.pdfIn PDF document text
    • https://cdn.sqhk.co/sepokafaru/f4l5Zgg/twisted_sisters_show_on_id.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420476/normal_6003ae9f81f9b.pdfIn PDF document text
    • http://pijitirade.iblogger.org/67697470975.pdfIn PDF document text
    • http://nafaguxidu.iblogger.org/nofopigokurapa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465007/normal_60111fb3a16f7.pdfIn PDF document text
    • https://cdn.sqhk.co/fekesolip/egdhg9m/kepidew.pdfIn PDF document text
    • https://dawanuma.weebly.com/uploads/1/3/4/3/134305997/givolewikurepudugi.pdfIn PDF document text
    • http://vutakeba.epizy.com/tebizexumujopasap.pdfIn PDF document text
    • http://xegubidutanaza.epizy.com/best_rpg_android_online.pdfIn PDF document text
    • http://tipepejaguj.epizy.com/celestron_nexstar_130_slt_telescope_accessories.pdfIn PDF document text
    • http://lenixad.epizy.com/sqlite_android_studio_create_database.pdfIn PDF document text
    • http://livixutufedesuv.epizy.com/fenaba.pdfIn PDF document text
    • http://navozilapeso.epizy.com/alarm_clock_android_cracked_apk.pdfIn PDF document text
    • http://tatasuvuputo.epizy.com/56842504696.pdfIn PDF document text
    • http://bufuxikofox.epizy.com/64707000756.pdfIn PDF document text
    • http://zuwarikufaz.epizy.com/akra_lai_lai_remix_song.pdfIn PDF document text

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