MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious due to a critical heuristic firing for a malicious redirector link. The document body contains numerous embedded URLs, many pointing to external PDF files hosted on Shopify, suggesting a link farm or SEO manipulation tactic. One of the primary URLs, 'https://ttraff.link/wix?keyword=science+fusion+the+dynamic+earth+answer+key+lesson+3', is flagged as a malicious redirector, indicating a likely attempt to lure users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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.link/wix?keyword=science+fusion+the+dynamic+earth+answer+key+lesson+3 In PDF document text
- http://files.samgevers.com/uploads/1/3/0/8/130814279/dolidesuzexinazitax.pdfIn PDF document text
- http://files.stephanwinklerkunst.com/uploads/1/3/2/6/132681474/gizejaropar.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/1/0440/1430/5430/files/google_sheets_checkbox_formula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2798/8634/files/basic_english_grammar_azar_4th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4007/2102/files/ragazza_anticonformista_significato.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/3035/1770/files/biophysics_searching_for_principles_download.pdfIn PDF document text
- https://18c1271e-2f83-42a8-aa0b-fa4598e31189.filesusr.com/ugd/9c66ff_0264753a4e63467495fdd495d7b0da53.pdf?index=trueIn PDF document text
- https://90cb04c8-42c9-4f57-b679-f820b44d7f59.filesusr.com/ugd/96564c_0e3ec38d95ed4bd484469abb7ece4766.pdf?index=trueIn PDF document text
- https://815a23e9-8436-41e8-919b-4a347f57c0f4.filesusr.com/ugd/03f576_4220e8ceb4aa47ab8b3ac418dfc7d16f.pdf?index=trueIn PDF document text
- https://5549b5a0-2214-41d8-a3f6-f9a03f57497d.filesusr.com/ugd/c4dbd3_da14f7400ba04cb1900665c86bb1a3e1.pdf?index=trueIn PDF document text
- https://143ae73a-0e4e-479b-848d-69a928d095f8.filesusr.com/ugd/aef5b7_78ce7829a16047fd97e589b16c263d34.pdf?index=trueIn PDF document text
- https://0d5cb1e0-1575-465c-9f5f-86ca7a7f95ee.filesusr.com/ugd/bdc04d_31f88bd3ce3c42f1946520def6e29d73.pdf?index=trueIn PDF document text
- https://76c3b406-d0ea-4d6b-a1f1-d51cd50b79f7.filesusr.com/ugd/cdb50c_4e5012ad288c4153a2d19b0ffd5bc0c6.pdf?index=trueIn PDF document text
- https://3885105b-79d3-4931-bf26-d06f2234f611.filesusr.com/ugd/affaa6_70bd9cc53f62467d9967c033ee368e7c.pdf?index=trueIn 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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005670.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5670 | 5784 bytes |
SHA-256: b1ecb4ebaeb206d373f8b6c81843b8cbb0eba9d094eaccced725e85ad73aa200 |
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font_01_sfnt_off00006a16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A16 | 9612 bytes |
SHA-256: 991967847353d511f5c1c190251fa8e43c07f86afc7b2c88663544c5cf2ddae0 |
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