Malicious PDF — malware analysis report

Static analysis result for SHA-256 478cfae38587388d…

MALICIOUS

PDF

67.6 KB Created: 2020-11-11 00:54:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-20
MD5: 5d7e1c3b528743639260041474326af8 SHA-1: 9dbd65b38fb949321985f051981219181d6f7567 SHA-256: 478cfae38587388d3a8a2af92184bc3dc75807e22b96fcfddceb626b368cc462
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://ggtraff.ru/wb?keyword=howl%20s%20moving%20castle%20characters%20list%20fire In PDF document text
    • https://fuzedefona.weebly.com/uploads/1/3/4/5/134578490/pekomogon.pdfIn PDF document text
    • https://xobesatiwum.weebly.com/uploads/1/3/4/3/134359431/jesefuxoxugor.pdfIn PDF document text
    • https://mifojarodileg.weebly.com/uploads/1/3/4/7/134707921/bukug-fokijezegi-zaleziruvoxeret.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422637/normal_5fa2dbfd14a34.pdfIn PDF document text
    • https://vewutaniwem.weebly.com/uploads/1/3/0/8/130873717/basixiralopevajekubu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387040/normal_5f8fb34c2fcda.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/c119f918-4684-4251-8320-63e62287030d/61268584368.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6e26b0a8-e8ed-4ed7-ba89-d4bf5445ee6c/zuzegosobolanoxu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/454a6dda-022f-4ae4-92c0-177e0735ab94/5569531979.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/595df497-e973-4cb3-8a74-4370e96fcfe2/67619417895.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6f8f59b8-2614-47e1-98ad-8d9de365c8c2/63878779918.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_off0000cc11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC11 5408 bytes
SHA-256: 1e414a57518d00a82e3dec415d589aa32b14b5499feb17c631db1dd1d645a1cc
font_01_sfnt_off0000de66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE66 10416 bytes
SHA-256: d5c650e2313429dce4eafca3c5095c768c515e5e7938d1b12ab7791f9f1037ba

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