MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link that redirects to known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the same URL, suggesting a lure to trick users into clicking it. The PDF also contains a large number of external links, characteristic of SEO link farms, which often serve as a front for malicious activity.
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.com/pify?keyword=expanding+and+simplifying+algebraic+expressions+worksheet+pdf
- http://pasufusiv.shellknoblakegirl.com/uploads/1/3/1/0/131070450/5819425.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/4930/3720/files/xumikonafozo.pdf
- https://cdn.shopify.com/s/files/1/0427/4031/8375/files/army_apft_score_sheet.pdf
- https://cdn.shopify.com/s/files/1/0429/8155/6375/files/93587658740.pdf
- https://cdn.shopify.com/s/files/1/0428/8220/3801/files/south_korea_visa_application_form_2020.pdf
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/77734342711.pdf
- https://cdn.shopify.com/s/files/1/0438/0826/0258/files/42689828302.pdf
- https://cdn.shopify.com/s/files/1/0432/8924/7894/files/nebovudatogoxejokuwawavu.pdf
- https://cdn.shopify.com/s/files/1/0438/6367/0944/files/lymphatic_system_test.pdf
- https://cdn.shopify.com/s/files/1/0433/1149/7366/files/lenukakupidawipufozevuda.pdf
- https://cdn.shopify.com/s/files/1/0433/0212/5733/files/fl_studio_free_crack.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/65587220918.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_off000049f3.bin2d1d80fae6ecff52a8ef97c21828e263dc351c22485467edd5109d09edb2031b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x49F3 | 5992 bytes |
font_01_sfnt_off00005e42.bin107e2b30b64489d78125cb5abd6fb4e555e46b950e1cfbb6a9919517cae64c2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E42 | 9928 bytes |
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