Malicious PDF — malware analysis report

Static analysis result for SHA-256 7386d47eec197f43…

MALICIOUS

PDF

73.6 KB Created: 2021-02-21 07:13:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: 066b70c1e6c07b1964fb57bd8c7678bd SHA-1: 47e327225f4ea243db910c38c2e05e3cea864942 SHA-256: 7386d47eec197f43661175ee084efd64d2be54280f788bfe4a5c880f29a36d69
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI heuristic suggest it's designed to exploit users by directing them to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://druttle.ru/strik?utm_term=snapper+mower+battery+won%2527t+charge PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4413345/normal_60272e4f87316.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4422631/normal_60009f51f0589.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365562/normal_5ff22d71d3b77.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387035/normal_5ff33d08c9d4e.pdfIn PDF document text
    • http://steblin.pro/the_physiology_coloring_bookxzo4c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379837/normal_5ffc03f64a8e5.pdfIn PDF document text
    • http://kulinar2020.site/calculo_numerico_livro_download5wl49.pdfIn PDF document text
    • http://govnosiakxws.online/5610440950rspwl.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414860/normal_60089bc2dd92b.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
    • https://s3.amazonaws.com/wujodibu/bosch_fuel_injection_pump_service_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/gogonof/feature_article_layout_template.pdfIn PDF document text
    • https://s3.amazonaws.com/fidobakipivogit/break_even_point_excel_template.pdfIn PDF document text
    • http://fumibomi.epizy.com/mappa_budapest_centro.pdfIn PDF document text
    • https://s3.amazonaws.com/tuletivotarupu/messenger_lite_9apps.pdfIn PDF document text
    • https://s3.amazonaws.com/winumigutam/brooklyn_nine_nine_season_2_episodes.pdfIn PDF document text
    • https://s3.amazonaws.com/garorowa/nerovavokuropuwebovizij.pdfIn PDF document text
    • http://gonidiwofove.epizy.com/my_android_file_transfer_mac_not_working.pdfIn PDF document text
    • http://wipimemawupola.epizy.com/81996142369.pdfIn PDF document text
    • https://s3.amazonaws.com/gajabedafot/new_odia_song_dj_appu.pdfIn PDF document text
    • http://paritoxo.rf.gd/nobonep.pdfIn PDF document text
    • https://s3.amazonaws.com/janodojivi/gijuk.pdfIn PDF document text
    • http://daponub.epizy.com/90599630930.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_off0000d69c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD69C 5348 bytes
SHA-256: d39d00118a21b176ddfda568b8cb06e2bd9f6eab4422d3fa480ba3be6073c6a4
font_01_sfnt_off0000e8a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8A9 9960 bytes
SHA-256: 20ffa5e79d05eae9378ce481653e90306a44a164ce409d8d7e65c5585330b9d6
font_02_sfnt_off00010a74.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A74 4324 bytes
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230

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