Malicious PDF — malware analysis report

Static analysis result for SHA-256 517db2eede99e9b2…

MALICIOUS

PDF

216.7 KB Created: 2021-03-28 12:04:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21
MD5: 93358e3235fef4c02b2db5b20f76dff9 SHA-1: 875df70ad6c6664c04540e73c0e34f0101ec545b SHA-256: 517db2eede99e9b252f8f6e6d5633023b9cea70725b5e747736b69e7b5a210ac
94 Risk Score

Malware Insights

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

The file is a PDF that contains an embedded URI pointing to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The document body, though heavily obfuscated, suggests a lure related to 'Byzantium history pdf'. The presence of multiple embedded URLs indicates an attempt to redirect the user to malicious content, likely for phishing or to download further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9410

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://lozipotod.ru/award?keyword=byzantium+history+pdf PDF link annotation
    • https://tuxativavowaz.weebly.com/uploads/1/3/1/4/131437956/545bb9c4fa.pdfIn PDF document text
    • http://nextauto02.ru/rovalefusukuligovodililamhxdi.pdfIn PDF document text
    • http://netewe5.xyz/wekatuda7g5l.pdfIn PDF document text
    • http://xewodatesuporob.mypressonline.com/auto_d_epoca.pdfIn PDF document text
    • http://tuxesimufimiti.mypressonline.com/fizewixekiwesozu.pdfIn PDF document text
    • http://erogan24.website/klove_you_got_this_questions_and_answersuf7lx.pdfIn PDF document text
    • https://vufumepuzatine.weebly.com/uploads/1/3/5/3/135335191/8147552.pdfIn PDF document text
    • https://rewemekekebaz.weebly.com/uploads/1/3/1/4/131406535/629690.pdfIn PDF document text
    • http://xugaguf.mypressonline.com/10861940093.pdfIn PDF document text
    • https://jifofavara.weebly.com/uploads/1/3/4/6/134631997/096f0a.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kefujaforu.rf.gd/abraham_lincoln_high_school_report_card.pdfIn PDF document text
    • http://rabatelekovufar.myartsonline.com/visorajigunu.pdfIn PDF document text
    • http://sizatopus.rf.gd/antibiotic_sensitivity_test_method.pdfIn PDF document text
    • https://7f58a6d3-5723-489e-a2bd-17fd91e1ddd5.filesusr.com/ugd/655495_64a9e7d14aa947e39dde44b8d156d015.pdf?index=trueIn PDF document text
    • http://lamekukibudinos.epizy.com/memexarafek.pdfIn PDF document text
    • http://redepigupemon.rf.gd/58180676666.pdfIn PDF document text
    • https://3a00e800-a8eb-44ae-aafc-ae9aecab8e06.filesusr.com/ugd/1715bf_8aa1fe25c3ff440e804cf7cf1b71a25b.pdf?index=trueIn PDF document text
    • http://puxirozenudut.rf.gd/hvac_maintenance_report.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00033c06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33C06 5452 bytes
SHA-256: 3393e3239bcaa63637899edcb9828fcac2e3ea52b8ac060eaa612932cea80d10

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