Malicious PDF — malware analysis report

Static analysis result for SHA-256 47d465fc4a33d7a3…

MALICIOUS

PDF

72.2 KB Created: 2021-02-11 17:58:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: d02bee6145d71b9ef5a124965449c3f4 SHA-1: 322b28c4e0efa55456da20df1df9c705f5fa0b15 SHA-256: 47d465fc4a33d7a36199f0c1248a1f6043fcb482838f8b127839066c239f3b55
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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.
  • 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://yafferge.ru/wix?keyword=love+plus+name+guide In PDF document text
    • https://static.s123-cdn-static.com/uploads/4415051/normal_5fe19c1773156.pdfIn PDF document text
    • https://javosupe.weebly.com/uploads/1/3/4/4/134456121/11ad9b481ea.pdfIn PDF document text
    • http://kipamaf.22web.org/77929365713.pdfIn PDF document text
    • https://mosevulex.weebly.com/uploads/1/3/4/8/134860143/c21ac1ec7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4451023/normal_600912a75cfbf.pdfIn PDF document text
    • https://cdn.sqhk.co/medugagoviji/gjhgdij/lone_wolf_android_wallpaper.pdfIn PDF document text
    • https://cdn.sqhk.co/mepapogivoma/d4Mq11L/jarulutatigazitagoguje.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4423136/normal_6023d76757c61.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459058/normal_5fdaf4287abe7.pdfIn PDF document text
    • https://cdn.sqhk.co/zuxafopagad/f7HjhQW/english_songs_covered_in_spanish.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4500189/normal_6017838004d61.pdfIn PDF document text
    • https://cdn.sqhk.co/zupuguvawaj/6wiggI4/elvis_presley_greatest_hits_live.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4483591/normal_5ffe44e0b41a4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374689/normal_601c5ec044a0f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4475859/normal_601a0f2b5a657.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/gewuwasi/singapore_airlines_company_information.pdfIn PDF document text
    • https://s3.amazonaws.com/gedesisumi/rebevutigetadivafaxorikol.pdfIn PDF document text
    • https://s3.amazonaws.com/fobupojowojon/kokikanij.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_off0000e039.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE039 5184 bytes
SHA-256: f1baceb8c5aaf5abcbaf3ac2287cc55ad67b032b748a553092c26c5ff1c5320e
font_01_sfnt_off0000f1d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1D6 9852 bytes
SHA-256: f7084a0c9dfb63ebbe2cfc1f281ca683e90ae49fe13daa6b1ed0189c9bad3f11

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