Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2ab9a0853925188…

MALICIOUS

PDF

41.1 KB Created: 2020-08-02 02:06:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3005f588e73d43af594349d78b117b55 SHA-1: 888d39f6131d3ccfe73eb91343e59d5e8421894c SHA-256: f2ab9a0853925188fd1ed3c75177cbabd4eb811498a5e4822d6305dfcfa8c1a9
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=mighty+mouse+theme+song'. The document body, though heavily obfuscated, also contains this URL and references to a 'mighty mouse theme song', suggesting a lure to a malicious site. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to manipulate search engine results or distribute malicious content.

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=mighty+mouse+theme+song In PDF document text
    • http://files.outofthedarknessgriefsupport.com/uploads/1/3/0/8/130813738/3730870.pdfIn PDF document text
    • http://files.thedemureist.com/uploads/1/3/1/4/131455232/2034110.pdfIn PDF document text
    • http://files.rosewoodcommons.com/uploads/1/3/2/3/132303075/nirakolukomit-keviwoluboruge.pdfIn PDF document text
    • http://files.happyfamilyhealthyhome.com/uploads/1/3/0/7/130776619/visotulomup.pdfIn PDF document text
    • http://files.theorwellscommunityshop.co.uk/uploads/1/3/0/9/130970003/febus-bolepevekixep-ronanukefijuzi-gefubos.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/1/0434/1117/7626/files/springheel_boots_gungeon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0595/2671/files/23712489200.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7143/7984/files/bufanifiturugetad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ropuxikasafomudixaxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/luvibuxunefipefijuli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8063/7859/files/30391047704.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9540/9311/files/wufidemezotakori.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9865/1288/files/nofuxopidaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1514/2567/files/18712793930.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4405/2898/files/60068198112.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1167/0179/files/jugexazutokoriruzogoraki.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_off0000633a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x633A 4868 bytes
SHA-256: c494444e1c717efbb0605a02fd5bf43fcb761903354663cc2782ad0fa27cc501
font_01_sfnt_off000073be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73BE 10524 bytes
SHA-256: 27a70d037042344508b12a18a4500247e66ea5544296b50ef45ad01686d0e0f4

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