Malicious PDF — malware analysis report

Static analysis result for SHA-256 c3e050dca943ea7e…

MALICIOUS

PDF

52.0 KB Created: 2020-11-08 00:12:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c7df3bd1b205d785efebbc66cc48ffeb SHA-1: 97d557c7d764d3307c135628d5e052ffeec6adbc SHA-256: c3e050dca943ea7edde317eda898568c1c07a46db489e2856f1095c896c1fbb8
76 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file contains heuristics indicating it is malicious and uses an SEO redirector for phishing. The document body, though heavily obfuscated, contains the URL 'https://trafffi.ru/aws?keyword=quantum+touch+pdf', which is also flagged as an external URI and part of the redirector lure. This suggests the document's primary purpose is to redirect users to a malicious site, likely for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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://trafffi.ru/aws?keyword=quantum+touch+pdf PDF link annotation
    • https://luwobidope.weebly.com/uploads/1/3/0/8/130814225/biziv-tabetipanulaber.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/c39842e1-01d5-4f45-833d-426545f52504/dios_es_amor_lyrics.pdfIn PDF document text
    • https://faxufiz.files.wordpress.com/2020/11/cambridge_igcse_sociology_book.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/75afa344-5290-4d60-91c5-2e93a6ab126c/moguperogas.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/18f09826-1924-449d-8e1d-3f031cdd8f94/download_nox_android_7.pdfIn PDF document text
    • https://sunolanedaju.files.wordpress.com/2020/11/epfo_claim_form_15.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/64a9f617-7ef9-4e0d-bfe3-d85c37be2ec1/64567655560.pdfIn PDF document text
    • https://fivididadese.files.wordpress.com/2020/11/34930605205.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7a410fa8-a800-4278-b6b6-52c6f762c35e/zamug.pdfIn PDF document text
    • https://s3.amazonaws.com/debamijizozexo/park_school_baltimore_blm.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9b555f2b-9d7e-4d15-8e30-b81eeac691b6/voxodowinusedasakinezigi.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006fc2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FC2 5148 bytes
SHA-256: 98d37c279b80f5414a6bab993446bd35a859a59a1aac9caecf624b84aaf6da51
font_01_sfnt_off00008128.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8128 10644 bytes
SHA-256: df6ff9ce35ad84e4dfed9370369f910516f2c7f66e6e6a93f3d4e612e6b64c83
font_02_sfnt_off0000a5a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA5A5 18684 bytes
SHA-256: af4f0c504ab9f32165be9e3f99539a4c78041ce33e1bf8765ffa23d4695d11ec

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