Malicious PDF — malware analysis report

Static analysis result for SHA-256 63abaa0b08051fda…

MALICIOUS

PDF

70.4 KB Created: 2021-02-17 21:17:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 6223c271c3d1fd9862eda46481d7c550 SHA-1: 157552c673eb3719c7f4500a5ba9901b6961c53b SHA-256: 63abaa0b08051fda9dc2a1fde2750569e85553ad455ab63bfb30dc0e18df37b8
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://crophysi.ru/wix?keyword=8+ball+unblocked In PDF document text
    • http://strongcreditscore.info/severance_agreement_template_new_york7u10y.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476782/normal_601b97c9dba09.pdfIn PDF document text
    • http://repair-monokoles.ru/73143808049yex8e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4501632/normal_5fff7c1f26fda.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4389821/normal_5ffb2a7f6288a.pdfIn PDF document text
    • http://nuderoxaxik.22web.org/ambarsariya_song_mp4_pagalworld.pdfIn PDF document text
    • http://technodom11.com/81886198533699f1.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/pasawe/58847518336.pdfIn PDF document text
    • http://maputixesikowi.epizy.com/83184457787.pdfIn PDF document text
    • https://s3.amazonaws.com/vufupu/estimation_and_costing_in_electrical_engineering.pdfIn PDF document text
    • https://s3.amazonaws.com/lakadutof/fovugofifevino.pdfIn PDF document text
    • http://wegewid.epizy.com/havana_backing_track.pdfIn PDF document text
    • https://s3.amazonaws.com/xakapudakadu/zipajo.pdfIn PDF document text
    • https://s3.amazonaws.com/dukajevo/83798650126.pdfIn PDF document text
    • http://xavisijividefo.epizy.com/17109458692.pdfIn PDF document text
    • http://webubekesivamuf.epizy.com/google_sheets_query_importrange.pdfIn PDF document text
    • https://s3.amazonaws.com/kotenu/new_visiting_card_design_vector_free.pdfIn PDF document text
    • http://poxoner.rf.gd/kopozerabofex.pdfIn PDF document text
    • http://zopegekole.rf.gd/78197860167.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_off0000d95a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD95A 4964 bytes
SHA-256: 90994a93c15d3ae7997a89d170a7896894a508d3f6c993925dd8a73ab31c5b55
font_01_sfnt_off0000ea4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA4B 10208 bytes
SHA-256: 0b47ec46b2b07ac1b60fa6bd1b1cf195837b587ebae60bfdf2cc3fdec9bd3544

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