Malicious PDF — malware analysis report

Static analysis result for SHA-256 18069d095ff75cd9…

MALICIOUS

PDF

75.3 KB Created: 2021-03-15 05:53:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21
MD5: 1faaae7b1f1589d57f5f8a0455fc39bc SHA-1: 29022263f7f83b92f8ba0d6ba583251945b2da8d SHA-256: 18069d095ff75cd99dee1d612b8714f7884c65c214e47c167815ad369b3185fa
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 URL that directs users to a suspicious domain, likely for phishing or malware distribution. The document body, though partially corrupted, contains keywords related to product pricing, suggesting a lure to entice users to click the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://bologen.ru/strik?utm_term=acer+aspire+e5-576g+price+in+sri+lanka PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4500450/normal_602f20eef2966.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4410459/normal_5fc581cbd7a40.pdfIn PDF document text
    • https://cdn.sqhk.co/fujotojaxob/ifLhezT/translate_espanol_to_italiano.pdfIn PDF document text
    • https://cdn.sqhk.co/gawagunikuw/idiecii/33071654827.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4472501/normal_5fcf88fe9bb48.pdfIn PDF document text
    • https://cdn.sqhk.co/jezofadu/je0reie/download_storyart_pro_full_pack_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/wametofenuwo/ie1jjif/private_kung_fu_training_in_china.pdfIn PDF document text
    • https://cdn.sqhk.co/gabebutiz/WQH1jje/1624451311.pdfIn PDF document text
    • https://cdn.sqhk.co/petebeki/ggjcibT/28524796934.pdfIn PDF document text
    • https://cdn.sqhk.co/ruvonusebex/Bh47rja/flow_free_bridges_sampler.pdfIn PDF document text
    • https://cdn.sqhk.co/rubupidorinu/mhcVp8m/word_search_printable_for_adults.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/mejawiwomak/fegefadariditelo.pdfIn PDF document text
    • https://s3.amazonaws.com/rodakarugupoko/59335041506.pdfIn PDF document text
    • https://s3.amazonaws.com/pisik/20385844029.pdfIn PDF document text
    • https://s3.amazonaws.com/viromibukoleliw/29337833137.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3e793291-7554-46ad-94fc-8f866b9347ed/56710847033.pdfIn PDF document text
    • https://s3.amazonaws.com/jidagafinuxesu/dreamweaver_templates_portfolio_free.pdfIn PDF document text
    • https://s3.amazonaws.com/donake/kigugolinoxivoloxozovi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/24f492eb-c111-4b1f-9384-968f605639f1/30773659987.pdfIn PDF document text
    • https://s3.amazonaws.com/gofiguj/lonely_planet_mexico_guide_book.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/22f3eaca-d01d-44ff-85dc-9691c83219b3/iso_31000_risk_management_ppt.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cb1d6be5-cc38-4604-aa4a-06563ece8809/materia_y_energia.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_off0000e5b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5B2 5544 bytes
SHA-256: 0dc3520ae09c8aee17a565c8336630787435d26dcd6ccb47161cb35c9b3dc44b
font_01_sfnt_off0000f8b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8B4 11520 bytes
SHA-256: f1825bd9e92a4f429c9a12e974ce7f2373b7d6f37abf34d0b6b579835aedfc66

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