Malicious PDF — malware analysis report

Static analysis result for SHA-256 5800b92a03f5f3e2…

MALICIOUS

PDF

166.9 KB Created: 2020-08-14 21:32:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0d706e1922be7e4109cb16e48aa82d3f SHA-1: f80ca293f012b9cc307f7b6cf0171b4dafba89af SHA-256: 5800b92a03f5f3e245835199c15d6f2a871cce02fb7fdcdca28e64bc9362087b
134 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector, identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The document body, though heavily obfuscated, appears to contain the same malicious URL. This suggests the primary goal is to redirect the user to a malicious site, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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://ttraff.cc/pify?keyword=uitschrijven+bestuurder+kvk+formulier In PDF document text
    • http://xazisubuk.nutritiongirl.org/uploads/1/3/1/0/131070420/revikejinafov.pdfIn PDF document text
    • http://files.olyhp.com/uploads/1/3/2/6/132681694/6249591.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/1/0431/8072/0294/files/50712891646.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9595/6386/files/46146010986.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5239/9773/files/86129873913.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8221/9674/files/non_probability_sampling_definition_types_advantages_and_disadvantages.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8462/8633/files/lemidufutujakapu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9117/9160/files/36600809645.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6510/5814/files/blacksmithing_books.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0839/3367/files/66775973791.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4016/2467/files/90108504530.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4700/0983/files/vumudizarudobuwup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2363/7399/files/relationship_between_measurement_assessment_and_evaluation.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 3

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_off0002568a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2568A 5384 bytes
SHA-256: 39ddc5ad94da8cd031de63b44715a85c7c2fc8291cad5eb1b11bbae2e6395a08
font_01_sfnt_off000268ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x268AD 11256 bytes
SHA-256: 998ee44548f60952db6fbd62d3232736c7205861fd03325104449b6c7ccb6420

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