Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0e01d2077a980d6…

MALICIOUS

PDF

69.3 KB Created: 2021-03-08 02:14:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c16612d84532e622ca2a957251b7621b SHA-1: 67502df793d2cf132e13cbebff07daa77f215fd4 SHA-256: d0e01d2077a980d6d86f337e1844375ba98d3105196f00cb9b2d516c77a66e4b
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file contains a URL that mimics a search query, likely intended to trick the user into visiting a malicious site. ClamAV detection and ML classification strongly indicate malicious intent, classifying it as a phishing trojan. No scripts were extracted, but the embedded URI is the primary indicator of compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://gimoguvi.ru/wix?keyword=shelley%2527s+seafood+homosassa+fl PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4417129/normal_5fcf44242a79c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4409827/normal_5ff7ccaecc615.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4467273/normal_5ff9bad0f3d02.pdfIn PDF document text
    • http://barajofa.mywebcommunity.org/duwiwumo.pdfIn PDF document text
    • http://vatidenow.medianewsonline.com/nibowefivadurezil.pdfIn PDF document text
    • http://rijewomel.scienceontheweb.net/lisupinuzuk.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403128/normal_60000faa076e4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4452853/normal_5fed7633a3bc6.pdfIn PDF document text
    • http://falorilipeb.mywebcommunity.org/bajulipajumugo.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4419204/normal_5fdd3ec953924.pdfIn PDF document text
    • http://kunozoxutokusu.mygamesonline.org/john_updikes_short_story_entitled_ap_illustrates_a_setting_that_includes.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4475383/normal_5fe79c7508b81.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4373008/normal_5fc77bb3b6b30.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4402262/normal_600335b41e490.pdfIn PDF document text
    • http://ribadubeko.scienceontheweb.net/long_run_average_total_cost_curve_calculation.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367919/normal_5fffd48a7098c.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://bifovigavij.myartsonline.com/is_there_a_movie_for_the_book_series_the_selection_by_kiera_cass.pdfIn PDF document text
    • https://s3.amazonaws.com/dutimajizowa/android_convert_list_string_to_charsequence.pdfIn PDF document text
    • https://s3.amazonaws.com/zaxefemebidaz/33839534682.pdfIn PDF document text
    • http://sarirepenibe.epizy.com/barbie_movies_free_in_english.pdfIn PDF document text
    • http://xaxuvep.epizy.com/21395164508.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_off0000c5ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC5ED 4844 bytes
SHA-256: aa80cbec1dcea625c47ca0cc02c67edd63c43a04bbc65fd8ae23aa36ecfd8f8c
font_01_sfnt_off0000d674.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD674 10288 bytes
SHA-256: 51e077368650b6539acdd6c06202ac125cccd9c9c075704a2a3d489a566fe92e
font_02_sfnt_off0000f9aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9AA 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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