Malicious PDF — malware analysis report

Static analysis result for SHA-256 7dd768afc8b61104…

MALICIOUS

PDF

73.0 KB Created: 2021-02-21 13:23:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 9ead90a8285e214f7fbf13314dc69ea3 SHA-1: 8f878d813f2191c42ca54b9313188886ff6c0a3b SHA-256: 7dd768afc8b6110462d68ba91bf4f5db138d44ff7b207aa6cc92ae73a4d6a609
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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://bologen.ru/aws?utm_term=olympus+om2+camera+for+sale PDF link annotation
    • https://cdn.sqhk.co/kuruwoke/ihYifOI/knight_awakening_guide_maplestory_2.pdfIn PDF document text
    • http://forexgeeks.net/vezoxeronoregosa6pb26.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4462681/normal_5fff11d7f0441.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475992/normal_5fc9891426512.pdfIn PDF document text
    • http://dimax-matrasy.ru/kugefaluj3kl6.pdfIn PDF document text
    • https://cdn.sqhk.co/rezeribevi/4Ihdgjn/shoot_em_up_2007_full_movie_download.pdfIn PDF document text
    • http://pro-konditer.com/statistics_for_the_behavioral_sciences_9th_edition_freex2iew.pdfIn PDF document text
    • http://opensoda.pro/pofotodozos5q1hs.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389586/normal_600e133262365.pdfIn PDF document text
    • http://nakenanizugaxit.iblogger.org/how_much_is_a_roku_box_at_walmart.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/woneketelak/tinalozovomojixog.pdfIn PDF document text
    • https://s3.amazonaws.com/sasufufa/resumo_sobre_meio_ambiente.pdfIn PDF document text
    • http://renureva.epizy.com/bowazowerivija.pdfIn PDF document text
    • http://wosolebaxuwutux.rf.gd/bilateral_lentiform_nucleus_calcification.pdfIn PDF document text
    • http://getetir.epizy.com/recurring_decimal_to_fraction_worksheet.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_off0000e0b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0B5 5424 bytes
SHA-256: b26c64c4d85d24cb53e43c3c8ff6baee347edf6e9a0535f5c6f399b762c5552e
font_01_sfnt_off0000f315.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF315 10468 bytes
SHA-256: 6603d3c5553455a3f6aa1f299eb9494c3df76015ac570f2bc5782dad5edd771d