Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3aacafd655a106e…

MALICIOUS

PDF

306.9 KB Created: 2021-03-23 15:00:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: d8a4f86c44f78bb8e57a60959fe4f5f0 SHA-1: 5deffe1e19a4e46a66a0c7e967429ae7575730a1 SHA-256: d3aacafd655a106ebc89f03e5e0cc7ff3bc781c3c1af6b59db52b21bb2d7a83e
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a phishing attempt. The document body and embedded URLs suggest a lure related to 'kathryn kuhlman pdf drive', directing users to potentially malicious websites. The presence of embedded URLs and the nature of the detection strongly suggest this PDF is designed to lead users to phishing or malware download sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9960

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://golowaki.ru/wix?keyword=kathryn+kuhlman+pdf+drive PDF link annotation
    • http://vseti.life/ragifagezolobobeggk74g.pdfIn PDF document text
    • https://cdn.sqhk.co/godajaxox/KheyiVl/canadian_visa_application_form_for_pakistani.pdfIn PDF document text
    • http://lnstagramcopyrightservices.org/67696703100vyz1b.pdfIn PDF document text
    • http://mebotus.mypressonline.com/acrobat_editor_free_download_with_crack.pdfIn PDF document text
    • http://abreudesigns.com/18989289755zj7zx.pdfIn PDF document text
    • https://cdn.sqhk.co/xadelakora/gg8jfjc/newspaper_bill_format_for_central_government_employees.pdfIn PDF document text
    • https://cdn.sqhk.co/zejejofe/jhjib1B/chocolate_mousse_recipe_easy_no_cream.pdfIn PDF document text
    • https://cdn.sqhk.co/wepiwojeta/idqiiU3/97726378285.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4377656/normal_5ff282d24252a.pdfIn PDF document text
    • http://winoraama.site/american_gods_season_3_episode_1_free4snoy.pdfIn PDF document text
    • http://raisinshub.club/8232279212q7kq7.pdfIn PDF document text
    • http://vugekowuzujed.scienceontheweb.net/what_was_the_letter_from_birmingham_jail_a_response_to.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414172/normal_6028f616cb4b8.pdfIn PDF document text
    • https://cdn.sqhk.co/zokasejiz/idoYnji/semesufibopufumabupos.pdfIn PDF document text
    • http://cheatyou.site/aprender_ingles_gratis_en_linea_con_audioabah6.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fonimegalidoxu.epizy.com/bing_maps_api_android.pdfIn PDF document text
    • http://dewonatazuji.epizy.com/pukovokirakexejevi.pdfIn PDF document text
    • http://jiporiri.rf.gd/64623994171.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_off0004832a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4832A 5296 bytes
SHA-256: d01668758435eb85164519abc78823e6a053d00ecca46cb87c474acb2e1a8267
font_01_sfnt_off00049517.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49517 11876 bytes
SHA-256: b94ce6d3d187d5334dbb20f7277009ff348ed723bbb7f7dd1db3ec8c7877c9de

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