Malicious PDF — malware analysis report

Static analysis result for SHA-256 57e9d00b7953ecf3…

MALICIOUS

PDF

68.4 KB Created: 2021-04-30 11:20:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 678976ed260939fc2d11d2a91ff9385c SHA-1: 659fd6e7276cec216fa639129e9ca7dc5743cda5 SHA-256: 57e9d00b7953ecf323204cb060fec656f884ad518a04f522fb56c37e389075cd
94 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URI pointing to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The ML classifier also flagged this PDF as malicious. The document body, though heavily obfuscated, suggests a lure related to sports drills, likely intended to trick the user into visiting the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9708

Heuristics 3

  • 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://zajinet.ru/strik?utm_term=soccer+strength+and+conditioning+drills
    • https://static.s123-cdn-static.com/uploads/4478664/normal_5fee61938b67d.pdf
    • https://cdn.sqhk.co/sugumujozik/haiaha9/goxexikitufivaf.pdf
    • https://cdn-cms.f-static.net/uploads/4530070/normal_605e03c055c31.pdf
    • https://cdn-cms.f-static.net/uploads/4448341/normal_604dda2c136e4.pdf
    • http://e-devletodeme.net/dell_inspiron_2350_audio_driveri9tf0.pdf
    • https://cdn.sqhk.co/foroboreb/7ibhgie/dragon_quest_builders_switch_walkthrough.pdf
    • https://cdn-cms.f-static.net/uploads/4423728/normal_604b112201cfd.pdf
    • http://wudazex.sportsontheweb.net/africa_toto_piano_sheet_music_easy.pdf
    • http://golixudib.mypressonline.com/povoralenepiropuzomog.pdf
    • https://cdn-cms.f-static.net/uploads/4451230/normal_602a3dac046e2.pdf
    • http://kino-vezde.ru/latest_android_os_for_samsung_note_5myg8d.pdf
    • http://1ux.site/todigivalezobexesu4jq9p.pdf
    • https://cdn-cms.f-static.net/uploads/4370089/normal_601ba89dabca4.pdf
    • http://jedusajinud.mygamesonline.org/33310984628.pdf
    • http://nefupanono.mygamesonline.org/nawukudofisudafabedulan.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://suvowafavij.epizy.com/72888750271.pdf
    • http://danobefaxejo.rf.gd/policy_guidelines_on_inclusive_education_unesco.pdf
    • http://rupazolarena.rf.gd/resonant_circuit_oscillator.pdf
    • http://vonolukover.epizy.com/background_designs_for_brochures_free.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f7f4.bin
68ad64e40b855b066e82aa8a3023c79e30277932d6298c24e7b6887196b8d010		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF7F4 5092 bytes

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