Malicious PDF — malware analysis report

Static analysis result for SHA-256 103ffe0bae1a267b…

MALICIOUS

PDF

83.5 KB Created: 2021-03-15 23:29:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: 31068e3d81ccf6e5b064174cdb934053 SHA-1: be6b687663bd71c249fb0b13eb24e90f0c1a2399 SHA-256: 103ffe0bae1a267b8c5138798caac17afb0d40a35e824583ea2c1be310f3b179
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'lozipotod.ru', which is likely a phishing or malware distribution site. The document body, though heavily obfuscated, contains text fragments suggesting it is disguised as a 'lesson plan', aligning with a social engineering lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://lozipotod.ru/strik?utm_term=try+something+new+for+30+days+lesson+plan PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4421468/normal_5fc69f87da6b1.pdfIn PDF document text
    • http://fapseo.ru/brother_hl2270dw_no_paper_errorpklq7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408197/normal_6002136f29829.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387565/normal_6009012abe1e8.pdfIn PDF document text
    • https://cdn.sqhk.co/xobetetivuzi/B3haTbJ/define_social_media_marketing.pdfIn PDF document text
    • https://cdn.sqhk.co/pododefakes/PhejcRm/a_maze_escape_game_atwater_montreal_quebec.pdfIn PDF document text
    • https://cdn.sqhk.co/wularumijif/OYfvzif/30212760833.pdfIn PDF document text
    • http://help-lnstagram-verifycopyrgiht.com/baby_cot_mattress_fitted_sheetlx8av.pdfIn PDF document text
    • https://cdn.sqhk.co/menigopas/bibKK34/carrom_board_king_apk.pdfIn PDF document text
    • http://raisinslabs.club/sabanejam13ghv.pdfIn PDF document text
    • https://cdn.sqhk.co/fupupusamun/frZSBx0/midepimubigalokelemosul.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/wuvepilamamuse/cake_recipes_in_marathi.pdfIn PDF document text
    • https://s3.amazonaws.com/gosete/nonowugasegutad.pdfIn PDF document text
    • https://s3.amazonaws.com/bufipevuril/seragurufupir.pdfIn PDF document text
    • https://s3.amazonaws.com/wuvepilamamuse/trigonometric_identities_formula_sheet_class_10.pdfIn PDF document text
    • https://s3.amazonaws.com/sifawekujiki/spine_mri_report.pdfIn PDF document text
    • https://s3.amazonaws.com/tonemakopinibem/risogibubovapenipanosej.pdfIn PDF document text
    • https://s3.amazonaws.com/fedufiporara/bhimavaram_bulloda_palu_kavala_dj_song.pdfIn PDF document text
    • https://s3.amazonaws.com/gonasidupij/goxupubilowitinifisox.pdfIn PDF document text
    • https://s3.amazonaws.com/tozaduliwubega/podstawowa_gramatyka_angielski.pdfIn PDF document text
    • https://s3.amazonaws.com/xupimaral/grade_2_english_worksheets_online.pdfIn PDF document text
    • https://s3.amazonaws.com/nilafafakem/your_money_or_your_life_wall_chart.pdfIn PDF document text
    • https://s3.amazonaws.com/xujitezu/cardiorespiratory_physiotherapy_books_free.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000107ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x107EF 5904 bytes
SHA-256: d055ecac5924b4f14dc9218eff8742357d52c596366110620f752df1057452a2
font_01_sfnt_off00011bfd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11BFD 11052 bytes
SHA-256: 0cd57b50493b48c5e7dcdb4d64fc3d5ffe3da2a5fab88152b13e2e184236faa9

Open this report in the interactive analyzer, or submit your own file for analysis.