Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ad7ea7f6d9b73c7…

MALICIOUS

PDF

43.3 KB Created: 2020-10-01 21:10:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 576ee027c2c8ce8f0a4c5ed65aea62da SHA-1: e9ae7ba5cec310cc1fa16d49c5c0be15a106bda6 SHA-256: 2ad7ea7f6d9b73c74110dc3d833407e4a017a1dcbcf4a1d14a273b0c5e0fbd32
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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://ttraff.club/pify?keyword=art+%2526+fear+observations+on+the+perils+pdf In PDF document text
    • http://files.accesschristinahicks.com/uploads/1/3/0/7/130775653/pugivusoto.pdfIn PDF document text
    • http://files.centralmarylandweather.com/uploads/1/3/0/9/130969426/jeranej_wotatit_fewisesodu.pdfIn PDF document text
    • http://files.womanwise.nl/uploads/1/3/1/3/131384260/ec310ce5.pdfIn PDF document text
    • http://jolul.chromanose.com/uploads/1/3/1/1/131163635/lupedawufowoxir.pdfIn PDF document text
    • http://files.losriosumw.org/uploads/1/3/1/3/131398333/norifujaje.pdfIn PDF document text
    • https://site-1036625.mozfiles.com/files/1036625/91784670337.pdfIn PDF document text
    • https://site-1038634.mozfiles.com/files/1038634/13757887130.pdfIn PDF document text
    • https://site-1038493.mozfiles.com/files/1038493/12730810856.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/987ce165-66dd-483a-a156-075bf570cb5c/30775260867.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1cc38ebf-9a75-42a4-8341-7d362b718b83/gipamajemeko.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5ef5d8a5-f407-4976-bd2b-a4d2df352b92/51080845288.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6392/6174/files/curious_george_a_very_monkey_christmas_trailer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0494/0480/5287/files/dolajebovififemagox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/1668/3171/files/ximalasasarevitiz.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_off00006ee9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EE9 4244 bytes
SHA-256: 7972636d00cd0d71b84083def3846ca4e2ee7efb3598e5424fc3ced2ddee6ef8
font_01_sfnt_off00007d4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D4E 10564 bytes
SHA-256: 65dd7623454c16f72a3208fbeeaf797fd153fe4828f7586fb320a5db9859fe04