Malicious PDF — malware analysis report

Static analysis result for SHA-256 809058a0eeb88605…

MALICIOUS

PDF

79.6 KB Created: 2021-02-18 04:39:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: de9f61cd7b211071d1253272590483c6 SHA-1: 56caa399692d6303616113b00ec833ae3be28348 SHA-256: 809058a0eeb8860500e0dc87727d3b56eb829dc44df454ab5fd7c367c055a534
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, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The document body, though heavily obfuscated, suggests a lure related to specific content, further supporting a phishing or social engineering attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://leonvi.ru/wix?keyword=a+love+to+last+june+21st PDF link annotation
    • https://xogefuvoza.weebly.com/uploads/1/3/2/3/132303221/wogonadapibir_fagajabonebixi.pdfIn PDF document text
    • https://pebufaso.weebly.com/uploads/1/3/5/4/135400671/60008addf2da50.pdfIn PDF document text
    • http://presente-top.store/garmin_forerunner_310xt_charger05f2m.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4455405/normal_6018c7bb9a372.pdfIn PDF document text
    • http://mattelipsticks.site/botopedokixevasevonesaleenwsh.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4473651/normal_5fe8b9d11cb2a.pdfIn PDF document text
    • https://cdn.sqhk.co/retagigimusa/hid76ie/aliens_armageddon_arcade_game_download.pdfIn PDF document text
    • http://usesoda.pro/vujobavbqj0.pdfIn PDF document text
    • https://guxojifupu.weebly.com/uploads/1/3/1/4/131438233/rekazazaru_wugekudejatok_wepopokepepoje_pujipeduz.pdfIn PDF document text
    • http://albatros-trans.ru/5210824377hzsa3.pdfIn PDF document text
    • https://lojodisomu.weebly.com/uploads/1/3/4/0/134042672/5907786.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://sejisetelasisel.epizy.com/29517293030.pdfIn PDF document text
    • https://s3.amazonaws.com/sazariwapa/pulmonary_artery_hypertension_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/devuxuzejozam/lawn_care_service_agreement_template.pdfIn PDF document text
    • https://s3.amazonaws.com/setigafat/13489240868.pdfIn PDF document text
    • https://s3.amazonaws.com/zatasipezeg/manual_inversor_allen_bradley_powerflex_40.pdfIn PDF document text
    • https://s3.amazonaws.com/xakusineba/ff12_carrot_guide.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_off0000f118.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF118 4892 bytes
SHA-256: 483272fa62c3d8b89cc46f8c57fb583716d0c4bbd6a72feeac4c0bfa96feaa9d
font_01_sfnt_off000101e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x101E1 15484 bytes
SHA-256: 1f61f38bbfb247e5f66cf3519517ce93b6ed507e5fbd972cf24146b4e38f2461

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