Malicious PDF — malware analysis report

Static analysis result for SHA-256 63fe03e04f224b5e…

MALICIOUS

PDF

70.7 KB Created: 2021-06-04 04:49:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e4eb43aa982e1042982e5f92c650a27f SHA-1: 7240c179be89e1286f73ebcae27f0336822f2c21 SHA-256: 63fe03e04f224b5ef456e89ab400cc44e366a97ee26e38365d577befd20e6db5
94 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for an external URI pointing to a suspicious domain, and the ClamAV detection indicates it is a phishing trojan. The document body, though heavily obfuscated, contains text related to purchasing in-game currency, suggesting a phishing lure. No scripts were extracted, but the presence of an external URI and the nature of the ClamAV detection strongly suggest a phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8041

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://pixomot.ru/pbw?utm_term=how+to+buy+mlbb+diamonds+in+india
    • https://static.s123-cdn-static.com/uploads/4372376/normal_5ff7aea3a437a.pdf
    • https://static.s123-cdn-static.com/uploads/4453326/normal_5ff215fca3866.pdf
    • https://static.s123-cdn-static.com/uploads/4410731/normal_5ff789ff323f1.pdf
    • https://cdn-cms.f-static.net/uploads/4478393/normal_6010aa9d2ca19.pdf
    • https://cdn-cms.f-static.net/uploads/4465010/normal_6048daf4aaa96.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://xovelezid.pbworks.com/w/file/fetch/144414552/education_needed_to_become_an_operations_research_analyst.pdf
    • http://kufujibumufa.pbworks.com/w/file/fetch/144424029/finding_fractions_of_amounts_worksheets_ks2.pdf
    • http://foxobekizax.pbworks.com/w/file/fetch/144566781/35286435012.pdf
    • http://padimagofo.pbworks.com/w/file/fetch/144481068/gazesaketasekaduporag.pdf
    • http://najajadux.pbworks.com/f/answer_to_facebook_math_riddle_witch.pdf
    • http://mupalunava.pbworks.com/w/file/fetch/144579492/bandura_a._1971._social_learning_theory._morristown.pdf
    • https://uploads.strikinglycdn.com/files/0877da3f-bf61-4de1-9de0-c6f17476254a/death_note_movie_cast.pdf
    • https://uploads.strikinglycdn.com/files/55c51007-a2a2-462f-9451-0a46c907eeb9/51638332825.pdf
    • https://uploads.strikinglycdn.com/files/fac91e97-eff2-4e64-a0b9-6871269bac3e/51117386774.pdf
    • https://uploads.strikinglycdn.com/files/71cdaa7c-9e16-4ad3-9980-b4198b6207f6/79451185761.pdf
    • http://wenitat.pbworks.com/f/wiwugobisotapisaxisupisem.pdf
    • http://dekokos.pbworks.com/w/file/fetch/144421137/velidijipobavevuf.pdf
    • https://uploads.strikinglycdn.com/files/bad8f80c-4fba-4841-9a20-468e93a80a71/5_examples_of_concrete_and_abstract_nouns.pdf
    • https://uploads.strikinglycdn.com/files/5cce6639-bb61-4b6c-8d5e-55efbce4ed8a/jobinuxunasizovadatiz.pdf
    • https://uploads.strikinglycdn.com/files/5740156d-1201-466e-8d62-7e7794803cc5/no_thank_you_2014_movie_english_subtitles_download.pdf
    • https://uploads.strikinglycdn.com/files/0ac0b924-7f19-4aac-b9f0-5f93eea8e971/gumumepevas.pdf
    • http://pebenuziwi.pbworks.com/w/file/fetch/144546570/domain_driven_design_epub_github.pdf
    • http://nusuwoxub.pbworks.com/f/vapikeguf.pdf
    • http://numefen.pbworks.com/f/download_igbo_catholic_songs_audio_mp3.pdf
    • http://kunozulig.pbworks.com/w/file/fetch/144546132/what_frequency_range_is_sub_bass.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f0c6.bin
1baa3efd180cf5f44d613abe34ea0380c2d25dd221f4ef864ac418d56f73cc35		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF0C6 2912 bytes
font_01_sfnt_off0000fb22.bin
d9f944550aa85e03ffbe7e925ecd19062dd15e69ec87405120465e0178f0b050		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFB22 5172 bytes
font_02_sfnt_off00010caa.bin
51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10CAA 1800 bytes

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