Malicious PDF — malware analysis report

Static analysis result for SHA-256 bf221c864da51d13…

MALICIOUS

PDF

60.4 KB Created: 2021-02-20 23:46:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0724f1c627fe033150f60c3625db131d SHA-1: 2e8906dd7c2d76a312e7fbb01de8e1a8fc70ea04 SHA-256: bf221c864da51d1353877a26f9e8c174671189f6467cb4994ce36c6bdfcb09fa
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or phishing attempt. The ML_NYX_PDF_MALICIOUS and ClamAV detections further confirm its malicious nature. The embedded URL points to a potential phishing or malware distribution site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9700

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://jottigo.ru/wb?keyword=codigo%20ascii%20palomita
    • https://static.s123-cdn-static.com/uploads/4365563/normal_5fe076e3a930f.pdf
    • https://kiretadipul.weebly.com/uploads/1/3/4/0/134040802/jatabarovakibu_durig.pdf
    • https://pozivikebesar.weebly.com/uploads/1/3/4/7/134759309/28bde354caeb23.pdf
    • http://weareanonymous.org/70381725879as0hs.pdf
    • https://static.s123-cdn-static.com/uploads/4479212/normal_5ff99613b8f05.pdf
    • https://lifexusubanipi.weebly.com/uploads/1/3/4/3/134377686/siterabepupig.pdf
    • https://gunajogozezulom.weebly.com/uploads/1/3/5/3/135385825/tuwofukiwukasel-xupijat-keziraj.pdf
    • https://static.s123-cdn-static.com/uploads/4408471/normal_5fff562f3e2d0.pdf
    • http://vobewegogiz.rf.gd/struts_2_for_netbeans.pdf
    • https://s3.amazonaws.com/murudute/best_app_er_for_ios.pdf
    • https://s3.amazonaws.com/ruzaganog/cdburnerxp_gratis_italiano_softonic.pdf
    • https://s3.amazonaws.com/bejideba/75815356041.pdf
    • https://s3.amazonaws.com/tejuvonixag/ifrs_and_gaap_differences_in_balance_sheet.pdf
    • https://s3.amazonaws.com/tikofaketonub/zapidimomojisap.pdf
    • http://sajajuladepume.rf.gd/dekebavodaroxo.pdf
    • http://siberasule.rf.gd/firodexutowenofasamis.pdf
    • https://s3.amazonaws.com/regovadeje/bangla_tv_apps_free.pdf
    • https://s3.amazonaws.com/gonafoziguwewe/delta_monitor_shower_handle.pdf
    • https://s3.amazonaws.com/jemazejodep/saudi_arabia_language.pdf
    • http://vofoxefubi.epizy.com/nefezebupomeliz.pdf
    • http://wegolas.epizy.com/48378380365.pdf
    • https://s3.amazonaws.com/jesidofefe/alliance_air_war_android.pdf

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