Malicious PDF — malware analysis report

Static analysis result for SHA-256 7829f4fbeccb7114…

MALICIOUS

PDF

75.1 KB Created: 2020-11-29 06:07:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-16
MD5: 86462b666f4dad1debd6b366c4d856da SHA-1: 500351098165c3451db33484cbb02ce60da7c834 SHA-256: 7829f4fbeccb71141ba678bb47b30b3c3a2fe2cc8ee30c873176f849f259feca
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://ggtraff.ru/wb?keyword=salem%20bed%20sheets In PDF document text
    • https://xonimitofowe.weebly.com/uploads/1/3/2/6/132682232/5840ac8ed9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4493195/normal_5fbf657312111.pdfIn PDF document text
    • https://bonivodetago.weebly.com/uploads/1/3/4/5/134517527/furuwu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365628/normal_5fada01dcb9fb.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/e3d40311-291f-4a87-951f-3a490bef80d9/guxigiditigilalokurew.pdfIn PDF document text
    • https://s3.amazonaws.com/subud/algarve_mapa.pdfIn PDF document text
    • https://s3.amazonaws.com/xukonakefules/amazing_grace_tommy_emmanuel_tab.pdfIn PDF document text
    • https://s3.amazonaws.com/roware/10046620858.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dc2d4b93-2539-4890-bfd7-e0eb988fcc91/imagenes_de_juguetes_tradicionales_para_colorear.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ca2ed65c-7b43-45aa-b55f-ba4ca631741c/ruwipilusixarajixemazabu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3cbc29f8-ea34-4173-b82b-8ea44371ca16/windows_10_amazon_drive_app_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f5ac9735-24cf-410f-b4c1-4e8e0b988a70/perekexufawupofa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7d08aadd-d58e-4b96-85e1-dc133de4f2cb/sandese_aate_hai_mp3_song_download.pdfIn PDF document text
    • https://s3.amazonaws.com/guwutivupudutu/splatoon_2_strategy_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ae2a6d32-a8f5-4e3d-ac92-f86ee86d5026/unseen_realm_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8588305b-d89c-4d15-abc0-946dc1324fac/how_to_get_simpoints_for_free.pdfIn PDF document text
    • https://s3.amazonaws.com/sojaxub/assam_district_map.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_off0000e8c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8C7 5212 bytes
SHA-256: 820473af8ec835bd45b1425c8117a1133cb0e4f62490c3b5ac77c7f233794e6d
font_01_sfnt_off0000fa51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA51 11072 bytes
SHA-256: 1ab576f26aae73bcbaa4d2365c561e8ee277cf28a80f9d5696b4494a6c7aa84e

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