Malicious PDF — malware analysis report

Static analysis result for SHA-256 75b42082e8e89014…

MALICIOUS

PDF

79.0 KB Created: 2021-02-27 02:35:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 2ccc11df85e27100552f489739cf71bd SHA-1: fbc0ce8ba32811547dbc25150c7244341dfdfc01 SHA-256: 75b42082e8e89014cc1d8747144d9508164a518db6f5ffa02ff3129ea3c97667
136 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
  • 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://baarspo.ru/award?keyword=garmin+vivofit+jr+2+band+length PDF link annotation
    • https://cdn.sqhk.co/pinofizulag/fJva56E/best_shooting_guards_in_2k20.pdfIn PDF document text
    • http://noverst.xyz/zavanajzfqy9.pdfIn PDF document text
    • http://deflecfcvy.best/how_to_start_a_central_ideappyw6.pdfIn PDF document text
    • https://cdn.sqhk.co/murevexi/jfgfpid/meverixulodosiputepevokun.pdfIn PDF document text
    • https://cdn.sqhk.co/fubafonu/c9jiicW/nike_outlet_las_vegas_strip.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/benuka/kannada_love_feeling_songs_list.pdfIn PDF document text
    • https://s3.amazonaws.com/kudufigunabi/kivoxijiju.pdfIn PDF document text
    • https://s3.amazonaws.com/navoburarovada/tuwifekewofodabetomexin.pdfIn PDF document text
    • https://s3.amazonaws.com/rodakarugupoko/cub_scout_tiger_den_leader_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/lakadutof/50593398270.pdfIn PDF document text
    • https://s3.amazonaws.com/zesixefe/69557435435.pdfIn PDF document text
    • https://s3.amazonaws.com/gawabog/57494347191.pdfIn PDF document text
    • https://s3.amazonaws.com/retisovojor/88849435338.pdfIn PDF document text
    • https://s3.amazonaws.com/bitajemisajoz/spider_man_clone_meme_template.pdfIn PDF document text
    • https://s3.amazonaws.com/bezorito/run-on_sentence_worksheet.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_off0000f6fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6FE 5584 bytes
SHA-256: 1817a1f1be50b4b2daed831c86f3e4d335cea477c9c78cfec5648e639b178568
font_01_sfnt_off000109e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109E2 10952 bytes
SHA-256: ed40d44ddcc70d484dc90a778b414081e56e692f1132ebcbb07cba9e6171c652

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