Malicious PDF — malware analysis report

Static analysis result for SHA-256 782c49e0b021588c…

MALICIOUS

PDF

84.5 KB Created: 2020-10-23 00:00:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-16
MD5: d58851877b5818c942dd971ca398846d SHA-1: 0499551c78ef83cc2444ce9cf6de191d54508bb8 SHA-256: 782c49e0b021588cb86d140b807a808721f7e8430e18056297e04e1ccd86893e
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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://cctraff.ru/wb?keyword=peta%20wisata%20jogja%202018%20pdf In PDF document text
    • https://natizupasa.weebly.com/uploads/1/3/1/4/131437725/6922800.pdfIn PDF document text
    • https://medizagokitoni.weebly.com/uploads/1/3/2/3/132303310/gizixulu.pdfIn PDF document text
    • https://medizagokitoni.weebly.com/uploads/1/3/2/3/132303310/7904096.pdfIn PDF document text
    • https://bilimetib.weebly.com/uploads/1/3/4/4/134435282/bb00eedc8502e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368782/normal_5f897d5c64200.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365626/normal_5f871f6ed0c76.pdfIn PDF document text
    • https://widubemevojapo.weebly.com/uploads/1/3/4/3/134320166/rutizumoted.pdfIn PDF document text
    • https://jaserasozupog.weebly.com/uploads/1/3/1/4/131454215/vanesasiwe.pdfIn PDF document text
    • https://kuwofepex.weebly.com/uploads/1/3/2/7/132740654/fc1f70facd.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/e6091c58-4b5a-4c2b-b757-aa1ee7ce9408/mepoxakufolulidotit.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/154570cb-c203-4158-9c10-686f700afed2/ginodogewomomomikuwux.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1abdc386-cb10-4a28-ae20-aea84d6bfd84/kigizok.pdfIn PDF document text
    • https://s3.amazonaws.com/wupixufekijax/html5_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/susopuzupure/autodwg_to_dwg_converter_2018_serial.pdfIn PDF document text
    • https://s3.amazonaws.com/solonebosop/edgar_allan_poe_gratis.pdfIn PDF document text
    • https://s3.amazonaws.com/tetazino/45432525388.pdfIn PDF document text
    • https://s3.amazonaws.com/wexoteluwag/cost_and_management_accounting_multiple_choice_questions_and_answers.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_off00010d2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D2A 5772 bytes
SHA-256: 4f4a52dcd796adc618b12261fcff765a6a1afaf906dc8f406fb43a0910800c1d
font_01_sfnt_off00012100.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12100 10616 bytes
SHA-256: c4b39727e1f90e270a019f66d577e9a74e298d26d08c2ce93d92e0d61dedfa2c

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