Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd64e6c6df42bcb4…

MALICIOUS

PDF

71.4 KB Created: 2020-12-24 00:59:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: a88c6e7b8648f538c597e65cb148e585 SHA-1: 6fb59967fe238808866cab093d4695584d3c972c SHA-256: fd64e6c6df42bcb4ea57ab8684291ac6c5561179b2310fde13777d0faebf8d14
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://trafficel.ru/strik?utm_term=hallmark+movies+now+christmas+movies+2019 PDF link annotation
    • https://cdn.sqhk.co/zowipitilo/RLKoo14/51448483169.pdfIn PDF document text
    • https://cdn.sqhk.co/merodobiweve/Cih7Xgd/water_park_hotels_in_sioux_city_iowa.pdfIn PDF document text
    • https://cdn.sqhk.co/lepezusija/he9r4hd/tisafudaraxetar.pdfIn PDF document text
    • https://cdn.sqhk.co/sofaxuleruri/Ygiichb/dasoxijugetitune.pdfIn PDF document text
    • https://cdn.sqhk.co/naketego/FajahSE/snake_vs_block_hack.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/tugabijenovili/affairscloud_weekly_september_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/loranoduzuja/98456907265.pdfIn PDF document text
    • https://s3.amazonaws.com/tezofuretejom/krystal_restaurant_menu_nutrition.pdfIn PDF document text
    • https://s3.amazonaws.com/lurutopobi/make_my_trip_train_app.pdfIn PDF document text
    • https://s3.amazonaws.com/mawesenasijoser/flobots_handlebars_trumpet_solo_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/lefemijip/doggett_labels_template.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_off0000daa2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDAA2 5700 bytes
SHA-256: 75b2535d8e946fe28bd1bba2b98da716de1ca332c8a27ee5398fe28aa4c6b117
font_01_sfnt_off0000edea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDEA 10220 bytes
SHA-256: 1d2d53d4d6fe6c5da7d55bb218302d8f6310b6ae2a2f6d055246b3b1aea42521

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