Malicious PDF — malware analysis report

Static analysis result for SHA-256 e587753dc2a5294f…

MALICIOUS

PDF

62.6 KB Created: 2020-08-01 04:02:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1f88adb94cab56f32e21288ab1dcdeab SHA-1: 608a0c6b8420bf219b6c41285592a9462c943684 SHA-256: e587753dc2a5294ffa5eb879d0e2465f86eda67d504920c1ade1a3774b61809a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in Systems

The PDF file was identified as malicious by an ML classifier and contains numerous embedded links. One critical link redirects to `ttraff.com`, a known malicious redirector. Additionally, the PDF hosts a link farm on Shopify, with many links pointing to other PDFs, suggesting an attempt to manipulate search engine results or distribute further malicious content. No scripts were extracted, limiting the analysis of direct execution capabilities.

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.com/wb?keyword=manual%20de%20supervivencia%20de%20ned%20coco In PDF document text
    • http://files.cornerstonesaints.com/uploads/1/3/0/7/130740033/9143567.pdfIn PDF document text
    • http://files.kerrybrookfarm.com/uploads/1/3/0/7/130775232/69a9454eba03efb.pdfIn PDF document text
    • http://files.reliantfurniture.com/uploads/1/3/1/0/131069978/1149053.pdfIn PDF document text
    • http://files.nawink.com/uploads/1/3/1/6/131606331/7b57b0acb.pdfIn PDF document text
    • http://files.maccurdysalisbury.org/uploads/1/3/0/7/130738859/c0960.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/1/0432/8259/6004/files/badusezatijuvagawinugi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9646434013.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0705/7825/files/38425232644.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1956/5216/files/rukuwitumamomizemuza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0843/2027/files/wunatidekofutu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rejupabofutub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1052/2277/files/76303531584.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9440/0414/files/bamarogusoxodatogejok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7381/4172/files/51956479275.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1531/5351/files/kawumaxora.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0908/9434/files/gexasirag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9569/5268/files/95838499883.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52733892229.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 6

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_off0000b65d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB65D 5132 bytes
SHA-256: 5130efe6c05caf4110d51b83970871962e69d1ec35df648016039cf37fd641f8
font_01_sfnt_off0000c7f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC7F8 10844 bytes
SHA-256: 0edc0d8758bf10f26e84ac5714352d83163aea00b183ab5f25def6467774de79

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