Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dd3cd557109d928…

MALICIOUS

PDF

66.4 KB Created: 2021-01-09 02:04:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-26
MD5: d5e167efdb010ffee3e3923a14e75520 SHA-1: bc2791fa0238b1bdc15899306a3e2cbc0e6fe810 SHA-256: 3dd3cd557109d928fcf4cd5750f942d0306e171269e593a5c4760ce89e8c7da2
196 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • 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://trafftec.ru/wb?keyword=sony%20rewards%20trophies%20for%20points PDF link annotation
    • https://sexozorojupur.weebly.com/uploads/1/3/4/3/134390270/5981206.pdfIn PDF document text
    • https://koralazuvumo.weebly.com/uploads/1/3/1/8/131871516/120012.pdfIn PDF document text
    • https://kemipopebu.weebly.com/uploads/1/3/4/5/134585234/jimipo.pdfIn PDF document text
    • https://famopenagunabot.weebly.com/uploads/1/3/4/6/134688774/532c6997e1.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/10d89984-5b17-4724-849c-5639dbac91bf/7036593006.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4bbcc77d-5719-4d89-abf9-7947841f6e32/what_is_a_ice_vehicle.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/51931571-fc69-418e-a18b-2bbac8877e1d/classical_music_instrumental_youtube.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4e502fcc-f5e1-414f-a201-f9de076e5fa0/reverse_music_player_iphone.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1c1290cf-3d4b-4298-994e-c230a6a1328e/33582846083.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/49f18f93-b05c-48be-9216-fb97250200f3/wekipalerolusoga.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/27a85fa7-c4f3-489d-833a-78e00c89f9d0/99291382320.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1e1a2457-41c4-478c-9dfb-8ac263329767/ponurutuwenal.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/aff6fd01-164f-491a-8ab1-9b3dca9788fa/fisovezobezuv.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/21b3fa47-1e1a-4eea-934e-c9647ad50339/salt_lake_stallions_schedule_2020.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_off0000c7da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC7DA 5392 bytes
SHA-256: 6782157ca900b4c50af0b4964b042408280ad93f2a1396cef0fdea0aacfeb669
font_01_sfnt_off0000da47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA47 9980 bytes
SHA-256: d13d59a8d24f6163ed4aa27180f3d6663342becf3332e9a7b798dd8ba51e49e4

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