Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fd35fd96cd12802…

MALICIOUS

PDF

47.7 KB Created: 2020-11-09 05:14:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23
MD5: 0c50aaa66eae885a149b0636b5fd7c33 SHA-1: 13ce216db1985d9c58f7566118d1663d8c192927 SHA-256: 2fd35fd96cd1280234a978b288448b8edde15563443d35c21654cf4f43d49458
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://traffset.ru/aws?keyword=complete+interview+answer+guide+georgevich PDF link annotation
    • https://xisaluzesa.weebly.com/uploads/1/3/4/6/134602292/ab162fab54.pdfIn PDF document text
    • https://tibulewozimok.weebly.com/uploads/1/3/4/0/134017320/wigajetakoj_nowisafas_xunorop.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/voxipanovigepiv/convertir_de_a_word_gratis_y_seguro.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/558746ac-1109-4d8c-a298-02ffa05b85a7/45382079194.pdfIn PDF document text
    • https://s3.amazonaws.com/betefowubevat/margin_of_safety_seth_klarman_review.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/316263cf-5e5d-460a-a567-0a74ff7249fb/39982448801.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1a055ef0-03c8-4752-9a33-17b4205697c1/north_park_middle_school_pico_rivera_ca.pdfIn PDF document text
    • https://s3.amazonaws.com/zakunafu/comments_on_google_sites.pdfIn PDF document text
    • https://s3.amazonaws.com/wifozuxeku/peanut_butter_and_jelly_costume_diy.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c17149e3-1d83-4975-9ab3-e307438170cf/black_and_decker_18v_drill_battery.pdfIn PDF document text
    • https://jubiligaduj.files.wordpress.com/2020/11/33853379744.pdfIn PDF document text
    • https://s3.amazonaws.com/wilugugo/finding_slope_practice.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_off00007be3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BE3 5544 bytes
SHA-256: 3c4dbc7196ba13f0a7149659e8eb529e27d444bff0c2f161bd21e0f399244a0a
font_01_sfnt_off00008e9d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E9D 10248 bytes
SHA-256: 9937feb6ce23060543877f8f27f5f64f1d5a334c003b113b022b0ea1d658e2fe