Malicious PDF — malware analysis report

Static analysis result for SHA-256 1cc980da2c243f79…

MALICIOUS

PDF

54.6 KB Created: 2021-04-09 19:57:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: 136c6f141fc33f98e9ac2d14155bf94c SHA-1: f891f9d0fa46d5f4005bed0a2ca77f0e49095121 SHA-256: 1cc980da2c243f79d9498397b397c2492ee0443ae6cf41439bfe0dd1592d3c92
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous embedded URLs and is flagged as a link farm on disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were extracted, the structure and embedded links point towards a spearphishing attachment attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8382

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://ponafet.ru/strik?utm_term=how+do+you+use+a+dometic+air+conditioner PDF link annotation
    • https://vuvowopivuvi.weebly.com/uploads/1/3/1/4/131410126/672b0e2203cbcd8.pdfIn PDF document text
    • https://nefatalij.weebly.com/uploads/1/3/2/7/132740339/4104253.pdfIn PDF document text
    • http://shoop-fr.ru/in_labor_cheat_sims_4_isnt_working0njkd.pdfIn PDF document text
    • http://xitabijasava.getenjoyment.net/42432379208.pdfIn PDF document text
    • http://jaxorad.22web.org/9712324858.pdfIn PDF document text
    • https://pewepexit.weebly.com/uploads/1/3/4/6/134659954/3732697.pdfIn PDF document text
    • http://fanisore.sportsontheweb.net/kekegojotuwamov.pdfIn PDF document text
    • https://mokapojigum.weebly.com/uploads/1/3/4/6/134690111/5624897.pdfIn PDF document text
    • http://zujadise.scienceontheweb.net/59257317663.pdfIn PDF document text
    • http://xatovapotogu.mywebcommunity.org/attacking_network_protocols.pdfIn PDF document text
    • http://trackcreditscore.info/brother_mfc_9970cdw_drum4lpoa.pdfIn PDF document text
    • https://molulodanewiv.weebly.com/uploads/1/3/1/6/131606256/3560893.pdfIn PDF document text
    • https://wisenuru.weebly.com/uploads/1/3/1/8/131856959/zapalosinizoje_tokuzejiluzigo.pdfIn PDF document text
    • http://fiwugixupodo.iblogger.org/wewimelofosixiroze.pdfIn PDF document text
    • http://reactivascotia2020.com/wink_smart_home_out_of_businessma8qm.pdfIn PDF document text
    • http://thelandofbadideas.com/25612345961xnfy3.pdfIn PDF document text
    • https://mifadumuvuvog.weebly.com/uploads/1/3/4/6/134689338/meririfadefobokoli.pdfIn PDF document text
    • https://dofikusoru.weebly.com/uploads/1/3/4/4/134472045/karotedu.pdfIn PDF document text
    • http://bloodcraft.online/kawejiropobifufaretavr99j6.pdfIn PDF document text
    • http://nuwazomesesanok.mygamesonline.org/got_risk_rules.pdfIn PDF document text
    • http://sipidasurow.22web.org/juwoxopu.pdfIn PDF document text
    • http://tk-pobeda.site/zutanazavegofevezoso0bqeq.pdfIn PDF document text
    • http://kujarison.rf.gd/microsoft_access_tutorialspoint.pdfIn PDF document text

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