Malicious PDF — malware analysis report

Static analysis result for SHA-256 488c33d3f2e335e2…

MALICIOUS

PDF

74.4 KB Created: 2021-06-13 08:50:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 3298be2974f195c4ce04b0bc0107d6f0 SHA-1: e11cd84ef5d89964a82f5296ca05bc8954cabe1d SHA-256: 488c33d3f2e335e2ceef76cec828751c3c6f7fc954b9a2e59c3947591380483d
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9995

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://drafthe.ru/pbw?utm_term=pioneer+pd+f1007+manual PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4418368/normal_5fe420bb6e336.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413228/normal_606e5ec1ba8ca.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403679/normal_60130c2fa1a86.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387716/normal_606b8eb4e4f3c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4469350/normal_5fca7ef64f39d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426409/normal_601ef7f186f55.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4455178/normal_603e726565bfc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369324/normal_6002c0f3147a6.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://wekanivu.pbworks.com/w/file/fetch/144958368/magopetiwupazajikup.pdfIn PDF document text
    • http://jozeluwofe.pbworks.com/w/file/fetch/145212621/muqabla_old_song_mp3_download.pdfIn PDF document text
    • http://fujiserefi.pbworks.com/f/67496828940.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ca360e07-f1ee-4e85-b1d6-f8b679991a6b/55508748544.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d3517fab-6aea-4828-8879-300d4cecc132/resistance_band_back_exercises_door_anchor.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8b4b519c-f646-4ec5-8a1d-2b45abbd04b9/pubg_season_16_theme_song_download_mp3_320kbps.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6b1cc6a2-b73b-43b1-a30a-c5d559c33968/72322940976.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cb5be4c3-7549-4ea3-ab08-7fc7598658c7/yoga_mudra_images_in_telugu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fb5e9feb-e167-411d-940c-435c3d6c81df/what_are_the_4_basic_types_of_sculpture_explain.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e3240813-2c05-48fb-ad73-c24f4a254f2d/dategizagirapowiv.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4696fbe6-0cf9-4dc1-a0eb-4f9ed42ce43c/72896526521.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/598ec69b-4258-49a6-b7e8-0c66f0f7a12b/29270811872.pdfIn PDF document text
    • http://pamotekegopa.pbworks.com/f/the_school_of_greatness_book_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9f6b4134-2895-4447-9e2e-a124646003d1/lowenem.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_off0000da07.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA07 5088 bytes
SHA-256: ffa3f4797cc707ff4b32256f392cb131b2181b5ad5d6c08b055762f0cd6a44b7
font_01_sfnt_off0000eb36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB36 10340 bytes
SHA-256: cdca1a15074d7526670226caf4fca395693c63933336044aeb9f559f9e6d969b
font_02_sfnt_off00010cea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10CEA 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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