Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e69e4464afddba…

MALICIOUS

PDF

48.4 KB Created: 2020-10-15 08:31:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-20
MD5: 3d2a2642abd10eee49d721a65c40a401 SHA-1: 23d08deacea4872a21dae000f1d7b64fccd597f8 SHA-256: d3e69e4464afddbabcfa605775cdcaa4bdc6ad13b158a1b7f025e1521f906dd1
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://cctraff.ru/123?keyword=viessmann+boiler+timer+instructions In PDF document text
    • https://site-1040998.mozfiles.com/files/1040998/kigejetopapuvivoxutulosak.pdfIn PDF document text
    • https://site-1039361.mozfiles.com/files/1039361/lebizotinikafogolibiroba.pdfIn PDF document text
    • https://site-1036921.mozfiles.com/files/1036921/15510877290.pdfIn PDF document text
    • https://site-1039911.mozfiles.com/files/1039911/44243996360.pdfIn PDF document text
    • https://site-1041492.mozfiles.com/files/1041492/mumetimajajexefekezezixe.pdfIn PDF document text
    • https://site-1037275.mozfiles.com/files/1037275/2547437846.pdfIn PDF document text
    • https://site-1048529.mozfiles.com/files/1048529/12792128970.pdfIn PDF document text
    • https://site-1042883.mozfiles.com/files/1042883/fixenefizutobomimuma.pdfIn PDF document text
    • https://site-1037098.mozfiles.com/files/1037098/xarabimawuxix.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://cdn.shopify.com/s/files/1/0504/3568/6560/files/osmosis_hypertonic_hypotonic_isotonic_worksheet_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0498/0346/0770/files/anh_hung_xa_dieu_1994_uslt.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0497/2471/9261/files/unidad_4_leccion_1_reteaching_and_practice_page_9.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4723/7285/files/honda_civic_radio_code_error_2005.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/6953/7956/files/3ds_rom_emulator_android.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5663/5816/files/82950084146.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5458/8316/files/97404528364.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0485/3222/6203/files/rarujupek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1867/3566/files/ib_lab_report_chemistry_example.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0485/0882/9851/files/29987248048.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3865/3086/files/45447390782.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f73213a7-4203-48d2-a936-8b21099c173f/bufolorenakuwutakumux.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c5def9ce-1e56-4ed7-adbe-ee2b59619a7c/jisejenawewarifiwalej.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_off00007507.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7507 4932 bytes
SHA-256: 2247bde6ec46ad552c72721cfe89963224e9dd4a91a6ba1d117368affde2ce0b
font_01_sfnt_off000085aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85AA 9444 bytes
SHA-256: 119145245f4b3f507f704d6a5e9c7d9b84083dff9f1e715ff0b3b72aa3bc33b2
font_02_sfnt_off0000a5c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA5C6 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176