Malicious PDF — malware analysis report

Static analysis result for SHA-256 07f8178b3d5ab2a7…

MALICIOUS

PDF

69.8 KB Created: 2021-02-16 16:45:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: eeccc6eacb277d1f6532d5c136d19516 SHA-1: f1bae3848b71adf6033f50a0ea57081d2d14db88 SHA-256: 07f8178b3d5ab2a7a1143b3099be0b0c33c593415d648aaee9dfdaa7ba1068ff
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://leonvi.ru/wb?keyword=free%20printable%20nato%20phonetic%20alphabet%20pdf PDF link annotation
    • http://itanto.space/lemexirejekobelipoxachqfi.pdfIn PDF document text
    • http://bakaxufukove.iblogger.org/template_kalender_2020_cdr_x4.pdfIn PDF document text
    • http://profapp.pro/ketukesapebuzamo4ddoq.pdfIn PDF document text
    • https://vebupefipi.weebly.com/uploads/1/3/4/4/134497137/jilotiruleda.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470532/normal_5fd1b9b76f9b6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495975/normal_6017fdf20f4ce.pdfIn PDF document text
    • https://fewojejano.weebly.com/uploads/1/3/4/3/134348079/7727189.pdfIn PDF document text
    • http://freshmind.net/shopsmith_scroll_saw_partsbhdo9.pdfIn PDF document text
    • http://jotijitod.66ghz.com/85096940033.pdfIn PDF document text
    • https://zudejafig.weebly.com/uploads/1/3/2/6/132681624/561000.pdfIn PDF document text
    • https://nipawivas.weebly.com/uploads/1/3/2/6/132680981/wagug.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4496607/normal_6001c0906ded3.pdfIn PDF document text
    • http://pmaider.com/19130135160jkgkz.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jowanesivokadeb.rf.gd/avery_5395_template_word.pdfIn PDF document text
    • https://s3.amazonaws.com/wotodedaruzuk/functionalist_perspective_on_social_stratification.pdfIn PDF document text
    • http://kofezinidabefu.epizy.com/75725685626.pdfIn PDF document text
    • http://sutuguve.rf.gd/51873310502.pdfIn PDF document text
    • https://s3.amazonaws.com/wizidimawag/adventure_time_game_android.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_off0000d612.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD612 5160 bytes
SHA-256: 55b8bd50c2060c42f86c952caa238e9a68ca8bedde32669023e6402bea401b78
font_01_sfnt_off0000e791.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE791 10180 bytes
SHA-256: 18b9120c1bf11306f605dfbb4061f4e9542596d0734fe13a903e1df212a6ea31