Malicious PDF — malware analysis report

Static analysis result for SHA-256 6bd75617523bff6d…

MALICIOUS

PDF

70.2 KB Created: 2021-02-15 18:38:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: edefa00bcaa6306c8cf5258393850c91 SHA-1: b61bb342117c816396b4c0951ec2eb72013c707b SHA-256: 6bd75617523bff6d81b51998f743301e2a4745cad023a61c053e6c6c443d9a88
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://maypoin.ru/wix?keyword=bushcraft+illustrated+a+visual+guide+pdf+free+download PDF link annotation
    • http://wumofuzusagumo.22web.org/chimni_pakhar_marathi_film.pdfIn PDF document text
    • http://fesetinidu.iblogger.org/minority_report_cast_tv.pdfIn PDF document text
    • http://jomotew.iblogger.org/lasuximirilamiraxog.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420910/normal_5ff02ee5a60a7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4473410/normal_5ffef89aec7b6.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/pujirageg/s_s_carburetor_jetting_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/fuwawibu/barcode_based_student_attendance_system_in.pdfIn PDF document text
    • http://begukisar.epizy.com/transunion_credit_report_number_meaning.pdfIn PDF document text
    • http://kifugelewepin.epizy.com/guideline_acc_aha_2018.pdfIn PDF document text
    • http://mujunego.epizy.com/bupigunumoxoxurajuseb.pdfIn PDF document text
    • http://jerananixakuzeb.epizy.com/degezaludiz.pdfIn PDF document text
    • https://s3.amazonaws.com/doxifuba/85508017526.pdfIn PDF document text
    • http://weverikovufom.rf.gd/sns-_3615-_k9_ordering_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/galinikagopit/97596521725.pdfIn PDF document text
    • https://s3.amazonaws.com/lerezazo/brooklinen_sheets_washing_instructions.pdfIn PDF document text
    • https://s3.amazonaws.com/wanasuvedigo/einthusan_movie_app.pdfIn PDF document text
    • https://s3.amazonaws.com/zuxime/bokekidijitisozazepuze.pdfIn PDF document text
    • https://s3.amazonaws.com/zuwosil/90899380074.pdfIn PDF document text
    • http://ritipoma.epizy.com/embroidery_digitizing_software_free_full.pdfIn PDF document text
    • http://tobizexajivuvob.epizy.com/aldo_leopold_land_ethic.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_off0000d472.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD472 5620 bytes
SHA-256: 045f4048457afc0c8cab99cc6fca86774aa0ad5d687623022b27927595a148cc
font_01_sfnt_off0000e7a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7A6 10448 bytes
SHA-256: 51c71e1c57344ea8be2ec45a9cac0fc5c137c505dbf3d0434a89918802a01c0a