MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, many pointing to Shopify domains hosting other PDFs, and one critical link to a known malicious redirector. This indicates a link farm or SEO poisoning attack designed to distribute further malicious content or manipulate search results. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=fractions+to+decimals+worksheets+grade+5
- http://files.nicoleedwardsauthor.com/uploads/1/3/1/6/131637056/bibogagip_vobinitinaju_fejifan_soretifela.pdf
- http://files.splendidsuns.com/uploads/1/3/0/8/130813357/8682801.pdf
- https://cdn.shopify.com/s/files/1/0432/8259/6004/files/gopojejopabejitabuti.pdf
- https://cdn.shopify.com/s/files/1/0434/6331/1520/files/tatifikuti.pdf
- https://cdn.shopify.com/s/files/1/0432/3514/7933/files/rovetewijupabefi.pdf
- https://cdn.shopify.com/s/files/1/0427/5548/9948/files/59557888529.pdf
- https://cdn.shopify.com/s/files/1/0440/5637/9557/files/bunnicula_download.pdf
- https://cdn.shopify.com/s/files/1/0430/4021/1105/files/kenyan_form_2_biology_notes.pdf
- https://cdn.shopify.com/s/files/1/0438/2585/6669/files/nudit.pdf
- https://cdn.shopify.com/s/files/1/0431/5840/5275/files/clinical_chemistry_principles_techniques_and_correlations_6th_edition.pdf
- https://cdn.shopify.com/s/files/1/0429/0691/0887/files/bukegisibemoguzifiz.pdf
- https://cdn.shopify.com/s/files/1/0434/6196/8025/files/26475559259.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005aab.bin1d41cefb84962efa2f82d6d89440f0291ecda7190b5dc499cfdccda0da39418f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AAB | 5588 bytes |
font_01_sfnt_off00006d8e.bin0b2e286316cf5cba0cebe05592ef38d4901a5efd6075d75a2346c37e7f210a1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D8E | 10212 bytes |
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