Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d8b14771cda7636…

MALICIOUS

PDF

76.4 KB Created: 2020-12-08 20:30:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-18
MD5: dd763b7c3a9d125a0cc9db9714abf9be SHA-1: 9b6e2d28ebc1e7d2c24edeb810d92d1d1a1e16de SHA-256: 5d8b14771cda76364e654a2fa54bc23f28c94b197e6db8eefd842b66ee9545f5
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://traffmen.ru/wb?keyword=ts%20maa%20bhoomi%20app In PDF document text
    • https://cdn-cms.f-static.net/uploads/4415526/normal_5f9591bfdedfc.pdfIn PDF document text
    • https://pimetagedipimop.weebly.com/uploads/1/3/1/6/131636886/3788197.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368991/normal_5f8ccc5c42650.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4464863/normal_5fcd9eb147b55.pdfIn PDF document text
    • https://dilabugesoko.weebly.com/uploads/1/3/4/6/134627797/patamis.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static1.squarespace.com/static/5fc55a1324b06a7eb31d25e2/t/5fcc298b9aa2de0c6483ef39/1607215502872/52462329244.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f45bfbee-e0dd-4567-b49b-cf25fe2f4873/beginners_guide_to_shaving_with_a_st.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc4f349e2fce462bca5d5b8/t/5fcc20e68a55f2188b673fc8/1607213288450/crash_car_driving_2019_youtube.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/25ecbc15-c5d2-4b6a-8942-efef6afe1c79/idiots_guide_to_ayurveda_book_deposi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ac34c8dd-518b-4138-883d-8498f55c91ee/vumakomadutaretow.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/01da30dc-b8b4-4ded-a38f-fb1b9a9d65fb/zisasekiziranotetedi.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc50c4ebe9b693951258028/t/5fcdc5215d2e6f3bda5d206c/1607320866896/98928658832.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/de2542f2-bd84-4e61-8353-fea8caad2036/budofagozodesepamezale.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d763.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD763 5020 bytes
SHA-256: d549f1c78e6a0bccfc19dd5c8393422f8e3426ca9c5d4bc07b26c557c5730a8e
font_01_sfnt_off0000e849.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE849 11064 bytes
SHA-256: 89a3f87d6028f921a9c10fde240d79bfe20099da5048dd07c82c33eb15a38e85
font_02_sfnt_off00010e05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E05 16164 bytes
SHA-256: e296a61d2d303e35be9e1a35631556663d2780498efa7e8f3867bf557f172fe6

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