Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f09467afa4ce319…

MALICIOUS

PDF

36.5 KB Created: 2020-07-31 20:10:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d04610791b6e10623c1e2ee88a9e0543 SHA-1: c8deef5f74a5e3ceaaea2009dd3e0353270b4850 SHA-256: 1f09467afa4ce3195807c58c0376b383f119cc759914a1965a25c6021911e194
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many of which point to a redirector URL (https://ttraff.ru/pify?keyword=murray+lawn+mower+parts+diagram) that is flagged as malicious. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to lure users to malicious infrastructure. The presence of multiple PDF links and the ML classifier's high confidence further support this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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.ru/pify?keyword=murray+lawn+mower+parts+diagram In PDF document text
    • http://files.futuresparkcoaching.com/uploads/1/3/0/8/130813667/redubarugizixi_kixuzorutusexat.pdfIn PDF document text
    • http://files.allenrobinson.com/uploads/1/3/2/8/132814996/jatatibire-rirodutol-jananakis.pdfIn PDF document text
    • http://files.richmondinfo.net/uploads/1/3/0/9/130968942/zulujeforel_dejadiwibezi.pdfIn PDF document text
    • http://files.angelinanikon.com/uploads/1/3/0/8/130813531/8633265.pdfIn PDF document text
    • http://files.astra-uae.org/uploads/1/3/1/4/131454051/528b8a49.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/1/0435/9880/7202/files/72649451086.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4760/8730/files/12777438139.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7122/5494/files/88490284488.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6056/0025/files/xirasiziwivemijakow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7560/9510/files/26084076881.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6380/4058/files/sutuzowurubenijogij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1877/9815/files/92606345007.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3074/8055/files/wedajademuveteburis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7467/4083/files/nutafevidixir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4642/0136/files/51456909341.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9827/3944/files/50673200415.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0385/3469/files/95610276835.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 8

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_off00004fe8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4FE8 5480 bytes
SHA-256: cf570912216a8bf6d182558b46ca1fff84fbb576d3074b7f0930402600053bdc
font_01_sfnt_off00006299.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6299 10156 bytes
SHA-256: 9b02b1ed92fb25fa0ad0ebc8b30c78ebfceabe698f95fa8048e62b536f6de624

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