Malicious PDF — malware analysis report

Static analysis result for SHA-256 07d5eae535524dbc…

MALICIOUS

PDF

71.6 KB Created: 2021-02-14 02:05:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: d7704068313ff54d300e827f261d90de SHA-1: 7dd8b958f59cd98c7dce82f2a7409e2aa6df025b SHA-256: 07d5eae535524dbc5123c52e7ec1349d6cee44f3f3a1c96619632a7aa08b5c65
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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/wix?keyword=yugioh+marik+deck PDF link annotation
    • https://kidenido.weebly.com/uploads/1/3/1/6/131636891/firafazupi-nizigixofexol-dozugigekitez.pdfIn PDF document text
    • https://vomuzubedabop.weebly.com/uploads/1/3/0/9/130969103/pigasidekuvev-podevomutiwib-ninitogi.pdfIn PDF document text
    • https://cdn.sqhk.co/depivuni/BMjijhz/18418240307.pdfIn PDF document text
    • http://mowisadewojapu.22web.org/alteryx_tool_authentication.pdfIn PDF document text
    • https://cdn.sqhk.co/sesexibanobu/gcnvhfF/thrifty_white_pharmacy_dickinson_nd.pdfIn PDF document text
    • https://pujowuvorokom.weebly.com/uploads/1/3/5/3/135347933/jaluw-tugifanoxowel.pdfIn PDF document text
    • https://kazowotamije.weebly.com/uploads/1/3/4/0/134012594/2076143.pdfIn PDF document text
    • http://introdom.ru/oblivion_hermaeus_mora_guideqnjz8.pdfIn PDF document text
    • https://giduzuzetedeze.weebly.com/uploads/1/3/4/8/134853145/1ccccf068702dc.pdfIn PDF document text
    • https://cdn.sqhk.co/nesadatifu/jgaChf6/extreme_off_road_rally_racing_driver_mod_apk.pdfIn PDF document text
    • http://fakts.design/jufezemixavg33d.pdfIn PDF document text
    • https://cdn.sqhk.co/xufojidaju/Ricjbxs/best_ball_launcher_for_dogs_uk.pdfIn PDF document text
    • http://axecheat5.xyz/siwufewitalasozalifuji3uugb.pdfIn PDF document text
    • https://melesosinipedo.weebly.com/uploads/1/3/4/4/134475371/2972265.pdfIn PDF document text
    • http://lajulufubugo.22web.org/minimum_speed_for_streaming.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vubimefiz.epizy.com/puwaganilimutelalawarop.pdfIn PDF document text
    • http://faperolakaf.rf.gd/tibavulefez.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_off0000dd55.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD55 5168 bytes
SHA-256: 7b051ff77b73b6302eb42ebb2147316bfc7b32153b9cff0b11dce8da74e54aef
font_01_sfnt_off0000eebd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEBD 10252 bytes
SHA-256: caa930add6c48a872d1986da5431519f8255f077611aa0f10afb31826ab406b5

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