Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce704ebc1e01a956…

MALICIOUS

PDF

41.1 KB Created: 2020-11-02 16:17:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 7694fbd741ae35be8b65624b21bdb914 SHA-1: b049fc15a294855ee3cb724af4328840f2babfe8 SHA-256: ce704ebc1e01a956f7baebc664c7da65c1991b85bf635f71e0fed144c4f6c9f1
94 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL 'https://gettraff.ru/aws?keyword=moon+druid+wild+shape+guide+5e' is the primary indicator of malicious intent. While no scripts were explicitly extracted, the nature of PDF redirects often involves embedded JavaScript to facilitate the redirection, hence the inclusion of T1059.007.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • 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/aws?keyword=moon+druid+wild+shape+guide+5e In PDF document text
    • https://cdn-cms.f-static.net/uploads/4372373/normal_5f8a2ab793962.pdfIn PDF document text
    • https://kutenamig.weebly.com/uploads/1/3/0/7/130740069/zoxavelekijokekuz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366639/normal_5f888fd2a4743.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0502/9173/6741/files/surveying_principles_and_applications_7th_edition.pdfIn PDF document text
    • https://s3.amazonaws.com/jenisozazewubo/62537230880.pdfIn PDF document text
    • https://s3.amazonaws.com/gajabedafot/real_steel_champions_mod_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/xanebavifamopez/caricature_drawing_book.pdfIn PDF document text
    • https://s3.amazonaws.com/gadumagabusodel/bushnell_trophy_xlt_4-12x40.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/1530/6915/files/e_banking_products_and_services.pdfIn PDF document text
    • https://s3.amazonaws.com/jebokizez/18th_century_artillery.pdfIn PDF document text
    • https://s3.amazonaws.com/robumuduluwise/54450461147.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5007/3240/files/16608616356.pdfIn PDF document text
    • https://s3.amazonaws.com/wegemebufojafak/microbiology_lecture_notes.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_off000062b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62B5 5444 bytes
SHA-256: 4958394d3d1b5bc1a6072a1e41c1f5d478df224706fa76d083d874f0e88e5908
font_01_sfnt_off0000754f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x754F 10072 bytes
SHA-256: c86d38b10ef38af6f83534db453c64cc030c897a471cf86eb9fb6fe5334217b0

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