Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd8c2c809acf818a…

MALICIOUS

PDF

76.8 KB Created: 2020-12-23 23:28:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: fdfdf4e482b385bce9b79cc7c8a13ac5 SHA-1: a87af827e2d48216f43f5c69c8ba4008fcb8b238 SHA-256: dd8c2c809acf818a760c1d7b5446fe1156a469236c22bd480d77cdd76b36f551
214 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links to external websites, including a known malicious redirector and a link farm, suggesting a phishing or scam attempt. The document body, though partially corrupted, contains text related to movie downloads, which is likely a lure to encourage users to click the malicious links. The presence of multiple PDF links and a malicious redirector link strongly indicates an attempt to lead the user to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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.
  • 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/123?utm_term=superhero+movie+download+in+hindi+hd In PDF document text
    • https://jexafowasefuxuv.weebly.com/uploads/1/3/4/5/134588667/nadadabi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365642/normal_5f9cecafa3ff0.pdfIn PDF document text
    • https://bufasadapigeze.weebly.com/uploads/1/3/4/3/134307931/7924684.pdfIn PDF document text
    • https://laxuruvu.weebly.com/uploads/1/3/1/4/131482832/xomaweb-futesajo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366014/normal_5f9b9923bcf66.pdfIn PDF document text
    • https://jefapijuwenumik.weebly.com/uploads/1/3/4/4/134435530/lodutoketa.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/601cfbc3-7244-48c8-88af-ca8bd5ba68f8/9054425762.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/37500f6c-6b42-41f2-be29-0275f48e0cc0/nulunufapixunazotemikowok.pdfIn PDF document text
    • https://s3.amazonaws.com/nuxulikiwab/hebel_wall_installation_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/49bc1a9c-acc5-47fa-86aa-c3360970477a/odysseus_answer_key.pdfIn PDF document text
    • https://s3.amazonaws.com/sonutopexaramuf/qu_significa_uniforme_de_enfermera.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7415a408-3fd9-4acd-b1fe-5e2b4d18a6a2/wonudulasajukuseg.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/460eed14-f1bb-4e78-bd3a-808562d5ccc4/61379775140.pdfIn PDF document text
    • https://s3.amazonaws.com/perurulexi/37870034138.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d903e024-a12e-40d0-81a5-ac58c78e91ff/james_altucher_choose_yourself_guide_to_wealth.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_off0000edec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDEC 5276 bytes
SHA-256: a4e096e535a4aeafc930c25bb6956c1d801f53dbf4d6669e0da79b2654ccf0c8
font_01_sfnt_off0000ffc7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFC7 11392 bytes
SHA-256: 0393efc5152f20869befe8643d384789b4b8d6cd9785b597607c0d8eb83feac4

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