Malicious PDF — malware analysis report

Static analysis result for SHA-256 6425685981a046fc…

MALICIOUS

PDF

65.7 KB Created: 2020-10-15 05:15:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: dca487b71d12818b72eb9095918e258d SHA-1: e2b0993a9cc0ff145ef464a8a0efa769f44de28f SHA-256: 6425685981a046fcda8380024dcfc86d1bbfe08bc1730f8cf434c49576be7b7b
184 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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 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.
  • 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://gettraff.ru/123?keyword=moringa+tree+growing+guide In PDF document text
    • https://jewajufigojoxi.weebly.com/uploads/1/3/1/4/131438211/nipivixona_kamezuniju_pavozikodod.pdfIn PDF document text
    • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/vanojiraxajerubefiza.pdfIn PDF document text
    • https://rolosakuzorega.weebly.com/uploads/1/3/1/3/131379035/latew.pdfIn PDF document text
    • https://jamuseramomuf.weebly.com/uploads/1/3/1/8/131871426/4a90eaba6.pdfIn PDF document text
    • https://site-1038627.mozfiles.com/files/1038627/gadotoromofiveviturazo.pdfIn PDF document text
    • https://site-1041169.mozfiles.com/files/1041169/75282060554.pdfIn PDF document text
    • https://site-1040001.mozfiles.com/files/1040001/silovov.pdfIn PDF document text
    • https://site-1040321.mozfiles.com/files/1040321/24689844951.pdfIn PDF document text
    • https://site-1048208.mozfiles.com/files/1048208/71082806160.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/eb943a9d-ceac-4cb6-b075-b52d11cbcfa3/mumojusoziwemofigu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f8dd1645-3b08-439d-96a8-d9a2cf320504/85173166769.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/18b105a2-f6bc-41e9-a08b-796626567387/xanujakowogafagizawid.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/406098ad-9dc7-4f26-a892-ab8099727108/pujuzurisuvijered.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0486/0313/6168/files/super_luigi_odyssey_game.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5515/3303/files/blackweb_universal_remote_codes_tcl.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/7638/6457/files/gojumawunifojaxelutatita.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cbbe18e9-53fa-4c5f-9c94-e8d2e1572520/vogedenuxu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/36785de9-d701-4980-9eef-334f8b125c43/37482991175.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/caad89c1-be75-4afc-b6c9-bd937d18cb3a/kaxopokorobutotukobekide.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bcb1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBCB1 4880 bytes
SHA-256: b4fa3e7c8f578b79feaec169343bd83daca2493a5379894dc31fecaa0bec628c
font_01_sfnt_off0000cd63.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD63 1800 bytes
SHA-256: e9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d
font_02_sfnt_off0000d5f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5F1 10316 bytes
SHA-256: ab4bcdef7a809e15585d86e04dc331d091dd07eb531f677a2ffbfb5aab47d410

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