Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d4d8466b1c02f8a…

MALICIOUS

PDF

72.5 KB Created: 2021-02-22 13:56:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 42c43c62f291549343597ad45c86e45b SHA-1: f98802ae508c4e03d8f3ba509b2881c0eb5ca805 SHA-256: 1d4d8466b1c02f8a763ea6b0a161d6bc7d0c2fe4c6c53df250b7aaa119e8bc77
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://jottigo.ru/wix?keyword=wet+well+manual+navy PDF link annotation
    • http://b4shop.icu/896199785627g8jt.pdfIn PDF document text
    • http://azorocheat6.xyz/50324409953uijmd.pdfIn PDF document text
    • http://digitalcalakk1.xyz/nuclear_war_simulation_youtubep8pre.pdfIn PDF document text
    • http://bestpriceforukraine.xyz/33808062378idbkk.pdfIn PDF document text
    • https://segukikiregitep.weebly.com/uploads/1/3/1/8/131856439/1158648.pdfIn PDF document text
    • https://teleroxekafi.weebly.com/uploads/1/3/5/3/135321942/2296487.pdfIn PDF document text
    • http://procripton.com/125725758052dh7h.pdfIn PDF document text
    • http://jagefefixod.22web.org/75801944252.pdfIn PDF document text
    • http://idealslim-italiaofficial.site/vegan_milk_machine_manual6i1vo.pdfIn PDF document text
    • http://winoraama.website/cant_eject_disc_from_ps4cpwjx.pdfIn PDF document text
    • http://islandlandscapesbb.com/99407951406g3v1x.pdfIn PDF document text
    • http://nuvuxek.iblogger.org/domibuzi.pdfIn PDF document text
    • http://fastdonwload.space/what_books_should_i_read_to_prepare_for_medical_school4rw9o.pdfIn PDF document text
    • http://tryse.xyz/amanullah_gondal_gender_studieskex89.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kifemulawej.epizy.com/53859372678.pdfIn PDF document text
    • http://jofanebef.rf.gd/99252815580.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_off0000e1c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1C9 4824 bytes
SHA-256: 65e819a2735cf105cfa3c963dd6280209cb0f66fd0763b43008cf140dd639d76
font_01_sfnt_off0000f23e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF23E 10260 bytes
SHA-256: 47bc6c34a99e4c5f99f21cd1775167a40374b020e16f366b6f64a01b8f83092b