Malicious PDF — malware analysis report

Static analysis result for SHA-256 adee760726556c94…

MALICIOUS

PDF

73.1 KB Created: 2021-02-21 22:31:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 054a4f46bb79370aaa7d2fb68dd3d4bf SHA-1: b62152a554b98be923be10328ab8ca147db74bb0 SHA-256: adee760726556c94c2b34f9a45f60cb9fc9a254f5a66b45a2b044d4045012ae1
66 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 4

  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://jottigo.ru/wix?keyword=directv+channel+guide+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4445341/normal_5fd316ad9cd28.pdfIn PDF document text
    • http://tosety.xyz/request_approval_letter_formatykn9r.pdfIn PDF document text
    • http://lowazutax.22web.org/hindi_alphabet_video_download.pdfIn PDF document text
    • https://kelogukagikuval.weebly.com/uploads/1/3/0/7/130739039/2676320.pdfIn PDF document text
    • https://cdn.sqhk.co/vofonowul/bt4iagj/dibinoraririsefisasabilu.pdfIn PDF document text
    • http://yesstore.pro/hotstar_vip_app_apkap24c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wirirarosutuki.epizy.com/online_name_correction_in_up_board_marksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/nitizobuv/20258182480.pdfIn PDF document text
    • http://vusevupitiwo.rf.gd/62414853824.pdfIn PDF document text
    • https://s3.amazonaws.com/mixanaz/ems_iso_14001_audit_report.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_off0000e0b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0B7 5300 bytes
SHA-256: 2360528ec62f533126323c6eca48fa29048e0b583c3850ac1dd25c931d23eaf1
font_01_sfnt_off0000f2c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2C7 10796 bytes
SHA-256: 60cf777ce3b6cb3b68a10111d502baec104c3ed1b529cc356937f743611157eb