Malicious PDF — malware analysis report

Static analysis result for SHA-256 68bc33ce2c7cad4d…

MALICIOUS

PDF

72.2 KB Created: 2021-02-26 19:58:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 13d0551986ded0327c9e0aea730a5122 SHA-1: 626e6f7ceaf1c85ee7040965cc7f35392c4045c1 SHA-256: 68bc33ce2c7cad4d554413c6c2208636f0bf277b0112afbd241c9fbdb9468b89
184 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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://yafferge.ru/wix?keyword=respect+life+license+plate+colorado+cost In PDF document text
    • http://fresh-ita.space/88963060093k3rsv.pdfIn PDF document text
    • http://susurrus.space/1683334357671xnp.pdfIn PDF document text
    • http://mumolazesinidix.getenjoyment.net/problems_as_opportunities_quotes.pdfIn PDF document text
    • http://veruvipavopa.getenjoyment.net/numakazogubusotimovujetif.pdfIn PDF document text
    • http://appless.space/tasco_8mp_trail_camera_problemsjn2au.pdfIn PDF document text
    • http://bumasujofoj.getenjoyment.net/holmes_and_rahe_stress_scale_calculator.pdfIn PDF document text
    • http://bezprovodov.guru/best_netflix_s_september_2018j2dg7.pdfIn PDF document text
    • http://vowujebotoza.mywebcommunity.org/vileban.pdfIn PDF document text
    • http://goshop32.site/dell_latitude_3400se2jk.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://makakanow.onlinewebshop.net/how_to_pair_a_plantronics_voyager.pdfIn PDF document text
    • http://pekufupudemolor.epizy.com/cartoon_video_songs_mp4.pdfIn PDF document text
    • http://nejimafalun.onlinewebshop.net/95845905333.pdfIn PDF document text
    • http://raredinufewota.epizy.com/2013_club_car_precedent_accessories.pdfIn PDF document text
    • https://s3.amazonaws.com/robumuduluwise/salijam.pdfIn PDF document text
    • http://xamunenefo.rf.gd/39491745898.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_off0000dec1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEC1 5156 bytes
SHA-256: 7fc2b799f30a92d42aa50c2eba2f4eff90ca3d926899f8e5fb20f118e3ba2f4b
font_01_sfnt_off0000f062.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF062 10432 bytes
SHA-256: 960cf9de75147819f7f1246fa6fa04a035755205f9cfdec44976bea420032935