MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which points to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting it is a lure for "Texas dental jurisprudence exam answers", which is then followed by the malicious URL. The PDF also contains a large number of external links, many of which are to benign Shopify domains, suggesting a link farm or SEO poisoning attempt.
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=texas+dental+jurisprudence+exam+answers
- http://vemotu.pennlawlambda.com/uploads/1/3/2/7/132712615/dasazorena-wuvolaxoxa-zedewerore-nabem.pdf
- http://files.qarpet.shop/uploads/1/3/0/9/130969065/8566434.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/6224/8102/files/hancom_office_netffice_24.pdf
- https://cdn.shopify.com/s/files/1/0436/5916/5849/files/biochemistry_lab_test_procedure.pdf
- https://cdn.shopify.com/s/files/1/0431/2757/0596/files/zebra_barcode_printer_gk420t.pdf
- https://cdn.shopify.com/s/files/1/0428/7932/0223/files/27191919022.pdf
- https://cdn.shopify.com/s/files/1/0436/3006/7865/files/epilepsy_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0432/9262/3016/files/15919503136.pdf
- https://cdn.shopify.com/s/files/1/0428/8974/0441/files/lakimatefekifutatavurej.pdf
- https://cdn.shopify.com/s/files/1/0433/5593/0783/files/diseo_de_investigacion_descriptivo_correlacional.pdf
- https://cdn.shopify.com/s/files/1/0438/0455/7472/files/fowirotezowibudoripokekus.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000668c.bine0ff2cbb819227acc4697e4c430187eaf22ca709a393f6db17a2f51fea6da570 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x668C | 5404 bytes |
font_01_sfnt_off000078e5.binb06cd29653441a1f384ec40035d4ceeb546f68637395191cc96fd6c7ee66d042 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78E5 | 10712 bytes |
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