Malicious PDF — malware analysis report

Static analysis result for SHA-256 459592d3e800e12b…

MALICIOUS

PDF

57.3 KB Created: 2020-07-26 19:55:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 898f95a1417eb07eb0e397079b45dd04 SHA-1: cadaa853cb1fd37624fa0f0c7f53ff880c20af89 SHA-256: 459592d3e800e12bba1d322a1fe47b80d247a6975a0805228177a86781415525
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a heuristic firing for a malicious redirector link, directing users to a URL associated with a link farm. The document body, though heavily obfuscated, contains text related to 'cartoon character creator software free', suggesting a lure. The presence of numerous external PDF links, many pointing to Shopify domains, further indicates a link farm strategy. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to further 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.cc/pify?keyword=cartoon+character+creator+software+free In PDF document text
    • http://files.schoolofmythsanddreams.com/uploads/1/3/2/3/132302735/090218ec3b177.pdfIn PDF document text
    • http://files.thepathimon.com/uploads/1/3/0/7/130776096/61e198498e6.pdfIn PDF document text
    • http://files.kiuyanran.com/uploads/1/3/0/7/130739456/fegatupipidafor.pdfIn PDF document text
    • http://files.noeky1980photography.com/uploads/1/3/0/7/130740073/gowudor.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/1/0428/9835/8432/files/99289858455.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6856/4380/files/25497958048.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7117/5846/files/verotogusi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1102/2756/files/73759659959.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4389/8019/files/remizinogipujobikifopifak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7539/5993/files/kogudififikibasezut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4609/2443/files/29548236079.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/6219719719.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2412/9952/files/fuvonujub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2270/4030/files/98674947505.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2236/9446/files/vuwonudizilajigotow.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_off0000a34d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA34D 4792 bytes
SHA-256: 5dfb03b2062ac353f5e56b4bd519ad3441dc2a41327e73b41a25c2218b10619f
font_01_sfnt_off0000b395.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB395 10620 bytes
SHA-256: 1568c1b272effa444ed63a111c1e495d53c8f09ded50ff487ac3bb7ebd229a2c

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