Malicious PDF — malware analysis report

Static analysis result for SHA-256 d07f5e61f114d3f1…

MALICIOUS

PDF

41.9 KB Created: 2020-08-21 22:50:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e540205c11dfbdfeb1172b8f55289d31 SHA-1: f4a861566c70268966195bbdd70cc8defae951fc SHA-256: d07f5e61f114d3f1fcd49c7ba5c0640f1bde2589746ba3c20a493ab24330a0d6
194 Risk Score

Malware Insights

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

The PDF contains a link farm of 26 external PDF links, with the primary redirector URL being https://ttraff.cc/pify?keyword=sinonimos+de+presentar+informe. This indicates a malicious redirector designed to lead users to potentially harmful content. The document body itself is heavily obfuscated but contains references to the redirector URL and several Shopify-hosted PDF links, suggesting a coordinated effort to distribute malicious content through a link farm.

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=sinonimos+de+presentar+informe In PDF document text
    • http://files.photonicpharma.com/uploads/1/3/0/7/130739285/a970842f8953bf.pdfIn PDF document text
    • http://files.malibuatheart.com/uploads/1/3/0/8/130814644/5912851.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/1/0434/9856/9888/files/73450800818.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5463/6949/files/xipirigagojewovaxob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5322/7936/files/sawaxixewinudogeluf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6756/2392/files/college_biology_by_idodo_umeh_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/27482348981.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/0278/9789/files/pajoxisagiragifeno.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7106/2684/files/61173444289.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2067/3433/files/annonaceae_family_characteristics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4492/0734/files/xupuwijilevus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9403/2025/files/30408514713.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6302/5559/files/bilingualism_and_multilingualism_in_sociolinguistics.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 1

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_off0000602e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x602E 5256 bytes
SHA-256: 338b37c9dc23bf6397e9298a9e9dc9a63efc89f47b4e9baf064b3b9c939630f8
font_01_sfnt_off000071ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71EA 12628 bytes
SHA-256: b6c5ec6664c01a358f5eb7b944f67deb6ab274afd15039888293f5dc8d458b64

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