PDF static analysis report

Static analysis result for SHA-256 684c91283f03f96b…

SUSPICIOUS

PDF

85.0 KB Created: 2021-01-04 15:00:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 52e3cc99b7f769d4b6f8f956c880fde4 SHA-1: e8d6343b3a5111612c904b653b617968bbad00d1 SHA-256: 684c91283f03f96ba40c399570b4e520441bb3981d2cd93be48e0d4c1b107181
36 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, which is also referenced in the document body. The ML classifier strongly flagged this PDF as malicious. While no scripts were directly extracted, the presence of an external URI suggests an attempt to redirect the user to a malicious site, likely for further exploitation or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9967

Heuristics 3

  • 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/123?utm_term=ksp+guide+pdf PDF link annotation
    • https://cdn.sqhk.co/kuvapipitol/XhfYwhj/annulment_forms_arizona.pdfIn PDF document text
    • https://cdn.sqhk.co/lizupasepafu/ehiBkih/dragon_ball_z_infinite_world_online_game.pdfIn PDF document text
    • https://cdn.sqhk.co/dutebevon/fibjjij/62011702386.pdfIn PDF document text
    • https://cdn.sqhk.co/zudilubal/Exifijf/bozajelidagale.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/98a4a5f5-d29b-4c57-8c8b-756935ca8a4d/tomb_raider_film_review.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/13a17daa-459a-4f75-aeb7-e9f79c5603f2/1280502286.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cf88f73d-5bcd-455d-966e-cede1a9d0591/ruvodezisederenikejer.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/58e5f856-608c-4eec-ab71-ca90c3f2d193/air_cleaner_spacer.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cb2595aa-6a58-4e49-b931-eab0a94baedb/dowerabaribugux.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

Related samples 5

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000112f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x112F0 4840 bytes
SHA-256: 5d024b1cf6f79368ebb243fd67863ae3bc825d4f858383492fa075b4d4c5a2b0
font_01_sfnt_off0001238b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1238B 10648 bytes
SHA-256: 0f16540185d2f7c7ab3718d10fea5a103ef031f86c9b819d6af0e3c8da5913bb

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