Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e9246f96a85d955…

MALICIOUS

PDF

50.5 KB Created: 2020-11-06 00:42:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-02-23
MD5: 5ed4c3eeadc1fe1d5ffe0c9035df23d2 SHA-1: 327fc34d5073870e8e526bd6aa3e2797a1c7d990 SHA-256: 0e9246f96a85d955f08723fcdd1104de30a39d5d13510a707f5074515bb92443
76 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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://trafffi.ru/strik?keyword=example+of+avoidance-avoidance+conflict PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4381547/normal_5f8f14ec5811f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462678/normal_5fa31adf7d90b.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/dobesogum/biogeography_an_ecological_and_evolutionary_approach.pdfIn PDF document text
    • https://s3.amazonaws.com/dowavelaxam/lic_jeevan_tarun_834.pdfIn PDF document text
    • https://s3.amazonaws.com/wovigebi/sapling_microeconomics_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/zaxawetawupo/gym_candy_page_count.pdfIn PDF document text
    • https://s3.amazonaws.com/vufuzewasi/carson_pirie_scott_building_downtown_chicago.pdfIn PDF document text
    • https://s3.amazonaws.com/pukiza/walkers_game_ear_products.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e3f5347e-be92-45e0-b706-7ab758624f38/7631999038.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1187cde6-78b1-4efe-89b4-8d9377095405/jipeteruzekojuxovute.pdfIn PDF document text
    • https://s3.amazonaws.com/niporofez/roper_dryer_parts_amazon.pdfIn PDF document text
    • https://s3.amazonaws.com/wonoti/word_document_to_converter_software_free_download.pdfIn PDF document text
    • https://s3.amazonaws.com/niporofez/latin_american_customs.pdfIn PDF document text
    • https://s3.amazonaws.com/lodazojamuva/lulejejupixapadeduwe.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_off00007a6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A6F 4932 bytes
SHA-256: ac9a0aa8026045d762ed3efffae2a5ddab9dd74ba70621057c686e2540334581
font_01_sfnt_off00008b3e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B3E 10708 bytes
SHA-256: 151ad090453801a7576eb5284f09ec36df9148e482aafebd85f00e62124e7c7a
font_02_sfnt_off0000aed2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAED2 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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