Malicious PDF — malware analysis report

Static analysis result for SHA-256 782f0dffca2609ff…

MALICIOUS

PDF

90.7 KB Created: 2020-10-01 05:14:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-16
MD5: b636004bbc2a0d121bb71f7a79176a84 SHA-1: 1429992164585e9e0b2583f4f80c53c7915ed4ab SHA-256: 782f0dffca2609ff93c21621e99fc62caf0c7d138ac2ac8e772ad53c3dc168e5
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://gettraff.ru/strik?keyword=bhikkhuni+patimokkha+pdf In 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/d83286b9-a904-437e-a6d4-ea935271046e/73455139665.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1bf10f79-bee3-47df-a194-ad3b904b8078/44973893534.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/57cd1ce5-bd9a-4726-af8a-2cb04bc2ce62/33763656626.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7a5d710f-2847-46be-898c-0887e6e964aa/92397024184.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e060ebe1-782e-47f1-8ddf-6ba89921e659/mimeviku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9644/6878/files/john_deere_lt155_parts_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6544/2455/files/metro_pcs_phone_payment.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1026/7035/files/new_apostolic_church_songs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5412/1635/files/chalo_2018_telugu_movie_english_subtitles.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9930/7673/files/chiamare_coniugazione_forma_attiva.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4ac9bbcc-9301-4eae-97df-10edc4ad2d9e/7665621124.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d7e6c7d8-efd5-4f30-9f33-24117adaa0f0/94752284598.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/09d38d89-c0b5-4c2b-8729-e9c7a7714d5f/93721778392.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e8dcec61-be3e-4adb-8eae-79df5efe3d02/8812982833.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/66d298e8-f188-4105-9008-9cc18c34d6cc/33929935108.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9297471c-b9f1-47b8-9f12-aa7204267465/45108047070.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9e84f0a8-8553-405c-981c-c4b17f3e6546/49266343164.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/355e1afb-9514-4909-94e3-c00582f8974e/fipotonowuluguvunulotiwul.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_off0001271e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1271E 5088 bytes
SHA-256: 25622153a7929aa11c9251ac7c28cf4b5c48ae00ff7536ba71cfeabc4fa90882
font_01_sfnt_off0001384f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1384F 10748 bytes
SHA-256: 87f4ec092e15b6c95ac414d7b105600ac3664067ae36bf1dc5fa9987a98c3899

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