Malicious PDF — malware analysis report

Static analysis result for SHA-256 6dab0603ef318fa2…

MALICIOUS

PDF

73.4 KB Created: 2021-02-22 18:49:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 8b9fa3ab6d9ef4dca4ddb7f8557b2cf5 SHA-1: adbebe83fa8fb51785abd391d06045c2b3dc938b SHA-256: 6dab0603ef318fa2144e392f3ce667816584f4ed81aebccfd4d9cc96d6dfeb5a
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. The document body contains a URL that appears to be a lure for downloading an APK, suggesting a phishing or malware distribution attempt. The presence of embedded URLs and the ML classification strongly indicate malicious intent.

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://baarspo.ru/wix?keyword=n64oid+apk+latest+version PDF link annotation
    • https://jikeberu.weebly.com/uploads/1/3/1/8/131857846/zofexazasumeso_wubawivinozamov_puvotane_denej.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4494893/normal_6003fdae749de.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379726/normal_5feb87874dc3e.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://vitawijeroma.rf.gd/carrier_debonair_220_user_guide.pdfIn PDF document text
    • http://dikokek.epizy.com/kavisusi.pdfIn PDF document text
    • https://s3.amazonaws.com/pobixedele/86407883611.pdfIn PDF document text
    • https://s3.amazonaws.com/dabatisew/leave_application_format_in_word_for_school.pdfIn PDF document text
    • http://pikazunelovo.epizy.com/zavepujudumazenu.pdfIn PDF document text
    • https://s3.amazonaws.com/tosego/vikuridifudegegibagena.pdfIn PDF document text
    • https://s3.amazonaws.com/mekonulegipero/83979690008.pdfIn PDF document text
    • https://s3.amazonaws.com/xamapebonijos/zuroxajatazewuzagu.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d706.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD706 5076 bytes
SHA-256: 646af0b5004b09678ed5b34096f7c37ca585d4f153f825ff3d304b0fc6f4db43
font_01_sfnt_off0000e85b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE85B 10080 bytes
SHA-256: 6cdc403f40a7dde08fdcd83a88f887734447ea5dc6d09823a5f34970e95afe18
font_02_sfnt_off00010b04.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10B04 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3