Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee0709e2a62b55a1…

MALICIOUS

PDF

65.0 KB Created: 2021-02-19 17:28:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 82dfeed8cd86ae45fd44ec6362d3d380 SHA-1: 735f2107aa638dec342190d4ae4cd2baebe47acf SHA-256: ee0709e2a62b55a100470e433cf18f5e415300cb14f1fd571ce3a5095ece8579
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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.
  • 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://druttle.ru/wix?keyword=semester+1+biology+study+guide PDF link annotation
    • https://cdn.sqhk.co/fakosopalo/OlajbIP/77510677171.pdfIn PDF document text
    • https://cdn.sqhk.co/ruwopazeg/ieigXif/64609872988.pdfIn PDF document text
    • https://cdn.sqhk.co/ridefapagol/wiaPsia/13752512080.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4411931/normal_6002dcd472754.pdfIn PDF document text
    • https://cdn.sqhk.co/serodozire/fhbghBS/45872881711.pdfIn PDF document text
    • https://cdn.sqhk.co/sokavuwoz/eTMhgT5/zemaxodepafekek.pdfIn PDF document text
    • https://cdn.sqhk.co/rasepotobami/jj93OCd/kabis.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/fadedosi/1080p_tamil_movies_free_sites.pdfIn PDF document text
    • https://s3.amazonaws.com/fonazuzixagizir/giving_directions_using_a_map_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/wifiduxezo/firefox_app_change_location.pdfIn PDF document text
    • https://s3.amazonaws.com/buxoparadazegu/mufabaxepovafip.pdfIn PDF document text
    • https://s3.amazonaws.com/zunaduxa/16644475902.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b5bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB5BD 5108 bytes
SHA-256: daf6760186820cb5ad4e87a198e88a6e90bdcb7facb5b25b8ca3f1f0c9a34596
font_01_sfnt_off0000c721.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC721 10032 bytes
SHA-256: 7e5fa44151b54afec7d799839bd08704861d59cadff2d9657c3ce0743bef0f07
font_02_sfnt_off0000e975.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE975 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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