Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d3450dac7df16b3…

MALICIOUS

PDF

72.0 KB Created: 2020-12-25 12:58:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-14
MD5: 682c8fd33c4dbd181acc4f0def514d3f SHA-1: 385385e2745a6d4f6df61bca04388139295bfff0 SHA-256: 0d3450dac7df16b36b828c77abc6ad3449203026131938296112cdbe610b2687
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://gettraff.ru/wb?keyword=lumberwhack%20defend%20the%20wild%20t In PDF document text
    • https://sasakafu.weebly.com/uploads/1/3/4/3/134371045/saziw-wumarupidese.pdfIn PDF document text
    • https://cdn.sqhk.co/rapavuse/BdjgjjS/download_game_cartoon_war_gunner_mod_apk.pdfIn PDF document text
    • https://pufotawimudob.weebly.com/uploads/1/3/4/3/134380049/8783889.pdfIn PDF document text
    • https://vakenufepuxino.weebly.com/uploads/1/3/4/5/134529081/depujesozavib-fenoli.pdfIn PDF document text
    • https://lokaxanexu.weebly.com/uploads/1/3/4/6/134638146/nupunuz.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/15b71048-7ed7-4e44-97bc-5c70a2da0721/kabewopedexegitu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/60406bbf-d107-46af-ad1a-6a73327c7a96/24357382191.pdfIn PDF document text
    • https://s3.amazonaws.com/kulinisokakewi/lapipu.pdfIn PDF document text
    • https://s3.amazonaws.com/fukepez/contracted_services_agreement_template.pdfIn PDF document text
    • https://s3.amazonaws.com/sanekufiwumafo/allen_bradley_5000_plc_training.pdfIn PDF document text
    • https://s3.amazonaws.com/wogikokuzotaxa/70837880534.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/09a539c8-9188-470a-b2cd-12267da59013/36945512422.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9202c86f-100d-4cb0-823c-55d744454db6/47503017717.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_off0000dd96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD96 5320 bytes
SHA-256: 18d369f30f040a1898671888286d05f16aed51deb471bfeeead696a07848f84d
font_01_sfnt_off0000ef97.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF97 10504 bytes
SHA-256: bef5be3b1b5c5e0550d5360175b247fe7bc8bf2775643b8f68e9293ebcf4fca7

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