MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links that point to a redirector service, which is a common tactic for SEO poisoning and distributing malicious content. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the URL as malicious. The PDF_SEO_LINK_FARM heuristic indicates a large number of external PDF links, suggesting an attempt to manipulate search engine results.
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=american+thyroid+association+guidelines+hyperthyroidism+pdf
- http://files.anasofiarodrigues.com/uploads/1/3/1/8/131856987/xezesejijeliv.pdf
- http://sanilugo.wassermanlab.com/uploads/1/3/1/8/131871395/5834929.pdf
- http://files.sgionet.com/uploads/1/3/0/8/130874413/zujojunejiguwimurob.pdf
- http://files.ryderstudios.com/uploads/1/3/0/9/130969238/594601.pdf
- http://nirufazib.marktobin.com/uploads/1/3/0/8/130814070/5565218.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6856/3351/files/74415702770.pdf
- https://cdn.shopify.com/s/files/1/0431/6046/9660/files/employee_performance_appraisal_examples.pdf
- https://cdn.shopify.com/s/files/1/0437/0032/2458/files/free_first_birthday_chalkboard_template.pdf
- https://cdn.shopify.com/s/files/1/0435/2960/1175/files/sawajen.pdf
- https://cdn.shopify.com/s/files/1/0428/1306/3335/files/kebule.pdf
- https://cdn.shopify.com/s/files/1/0429/0235/6127/files/musefevasetomi.pdf
- https://cdn.shopify.com/s/files/1/0434/6871/8242/files/numerical_reasoning_ability_test.pdf
- https://cdn.shopify.com/s/files/1/0435/5109/6984/files/2091060545.pdf
- https://cdn.shopify.com/s/files/1/0431/2412/9952/files/marketing_management_kotler_free.pdf
- https://cdn.shopify.com/s/files/1/0428/1214/5823/files/54627121354.pdf
- https://medlineplus.gov/hyperthyroidism.html
- 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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006788.bin637c312ecdb380e89753ef62f6a0888b05473e70323e99639451226e3297b94e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6788 | 5660 bytes |
font_01_sfnt_off00007aa1.binff2de5451b255a9de1a5103ac0f9a456780577bf120b1eed7f9d6e49cc031e20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AA1 | 10040 bytes |
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