Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e2ab30f8ffb5d7d…

MALICIOUS

PDF

88.0 KB Created: 2021-03-31 10:04:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 54f98cfea7c0c125185c70481dfda692 SHA-1: d433db2bb43945b334ac8ccfee6108401f7763f3 SHA-256: 6e2ab30f8ffb5d7de65d697558cb0fef3e55a586baec43147d0de426ac844de3
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to a URL that mimics a search result for 'gold miner unblocked hacked', suggesting a social engineering lure. The presence of embedded URLs and the nature of the detection indicate a phishing attempt designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://golowaki.ru/wix?keyword=gold+miner+unblocked+hacked
    • http://lavka-karamel.ru/periodic_table_changes_2016cx6cb.pdf
    • https://cdn.sqhk.co/jifigetuxu/dqhcrAG/occupational_therapy_assistant_course_online.pdf
    • http://yblda.fun/pitudomulivawanedzh1jx.pdf
    • http://tipofeliluget.medianewsonline.com/motorboating_merit_badge.pdf
    • https://cdn.sqhk.co/sizozizaj/CvjadC2/vigovarejanir.pdf
    • https://cdn.sqhk.co/rokabumake/jcRgcji/gin_rummy_plus_cheat_sheet.pdf
    • https://cdn.sqhk.co/falupuvevore/gfif6ji/paint_by_numbers_meaning.pdf
    • http://tesekiwig.scienceontheweb.net/vejiga_neurogenica_tratamiento_farmacologico.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/17b99d71-3123-499e-a626-07d9cdb5ec54/pearson_chemistry_textbook.pdf
    • https://8d684a1e-4078-49cd-b336-05adf09473b6.filesusr.com/ugd/2b25e8_974526e4493b4385875836dd655f6f16.pdf?index=true
    • https://835a0401-7144-467e-aacc-710587930ffc.filesusr.com/ugd/432cba_2ced7259e4914e9ca128cbf944375ed0.pdf?index=true
    • https://f621ecf8-e26c-4db3-9bdf-176eeceb312d.filesusr.com/ugd/b3755e_ec31177f55614170aa3a0cb619b43167.pdf?index=true
    • http://vekamodadon.onlinewebshop.net/jutivelepidunixalelibonof.pdf
    • http://lavapokapajemob.myartsonline.com/maharashtra_rto_passing_list_2020.pdf
    • https://uploads.strikinglycdn.com/files/a1795151-f968-4ecf-8d5b-431fead31521/how_to_see_dow_futures_live.pdf
    • https://uploads.strikinglycdn.com/files/47226e24-c62d-44be-a127-498a9b7764a3/44281911841.pdf
    • https://uploads.strikinglycdn.com/files/5e3b9a4b-8207-4bc1-a55a-ba529615bd32/how_does_load_order_work_skyrim_xbox_one.pdf
    • https://f98f40d2-b649-4e6b-99af-b89bbf2331ff.filesusr.com/ugd/724bd4_b6d34c982eda45d78851f935d27a8cee.pdf?index=true
    • http://pisonepegosa.myartsonline.com/bojamopusuxubudekusixute.pdf
    • https://uploads.strikinglycdn.com/files/219ab256-5218-4afb-b46f-91811e653f85/what_were_the_consequences_of_the_doctrine_of_discovery.pdf
    • http://wobadumiravolu.atwebpages.com/92486672191.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011a00.bin
97dbe13dec3d040d2210233d73651b41a5b5fa76df2b12d25a09a341c06e0bae		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11A00 5236 bytes
font_01_sfnt_off00012ba3.bin
fd9d367e0da6b73caf20505159bd18c0709bfe85aa6b23639cc46900d3fcc082		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12BA3 11640 bytes

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