Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6847a8fee7b7ef…

MALICIOUS

PDF

62.5 KB Created: 2020-11-06 13:09:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-17
MD5: d193a4a75b4e1d566aa8b008e5d042b1 SHA-1: 8ec888ac8084c350420ab3687e2c249caa19c69e SHA-256: 2b6847a8fee7b7ef23e96d99ea9b64a4f16fcf3e5ea2d1137158018148faf0cb
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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://trafffe.ru/wb?keyword=lista%20iptv%20brasil%20hd PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4366645/normal_5f873e679c4ff.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453337/normal_5f9ff281a6c4d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381759/normal_5f8ccc7c2e21b.pdfIn PDF document text
    • https://debemalimuwu.weebly.com/uploads/1/3/4/3/134385929/5043594.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372086/normal_5f89372421ff0.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/c171eae4-8296-4b3c-9a3b-324d93df8769/video_merger_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/setaxilitozuko/xopizuxef.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/65ff6646-3794-4d6d-ac31-eb663f9c23ff/tarafobefilorilolurelu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/42af984d-4136-4447-b757-bb40266c5a8b/28310649827.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/900f8a2d-f09e-44eb-80e9-29bdbbb18aff/41565251285.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/73a139d2-3cc8-4d53-a2ca-7f884f789afd/stimulus_update_round_2_news.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8654f7f6-6cdb-4cf7-8690-eb54b2119b87/nomipetuxidasin.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ca221d8e-cc15-43be-9c92-df7220074e00/when_is_next_solar_eclipse_in_us.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1a72ffa9-a0b1-406f-996b-93ca6156158a/aaron_franklin_masterclass_download.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_006_off0000c71b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xC71B 21744 bytes
SHA-256: 0954bf1d70945adfde3e3bd1eb0d4fcf16aa52a12820986cbcd1b41cd49e8097
font_00_sfnt_off0000904c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x904C 5188 bytes
SHA-256: ca8c5b7b41ee4712d68b265243f5afeaea7663dfe0ea4406e6c0503f198e661b
font_01_sfnt_off0000a1e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA1E8 12180 bytes
SHA-256: 2fcbf57c55bf0b445bf3be212205e17e6246da5589ddc8b150cef4572b89864d

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